49

Previous number

48

Next number

50

Sum of digits

13

Divisors of 49

Number of divisors

3

Sum of divisors

57

Factorization

49 = 7 × 7

Prime factors of 49

Factor Count
7 2

Square of 49

2401

Cube of 49

117649

Square root of 49

7

Cube root of 49

3.65930571002297133631486758531537...

49th triangle number

1225

Reciprocal of 49

0.0204081632653061

Binary of 49

110001

Number of digits of 49 in base 2

6

Octal of 49

61

Hexadecimal of 49

31

Prime number No
Hexagonal number No
Perfect number No
Deficient number No
Abundant number No
Mersenne number No
Harshad number No
Harmonic divisor number No

Quadratic residues of 49

QR49 (sequence)

49th composite number

69

Euler's totient function of 49

42

Carmichael function of 49

42

Möbius function of 49

0

Properties of 49

Properties of the number 49: 49 has 3 divisors. The divisors of 49 are 1, 7, 49 and the sum of them is 57. The factorization of 49 is 7 × 7. The square and cube of 49 are 2401 and 117649 respectively. The square root and cube root of 49 are 7 and 3.65930571002297133631486758531537.... The binary, octal, hexadecimal of 49 are 110001, 61, 31. 49 is not a prime number, not hexagonal number, not perfect number, not deficient number, not Mersenne number, not Mersenne number, not Harshad number, not harmonic divisor number.

sin 49

-0.95375265275947185283911267106305...

cos 49

0.30059254374363708617323709404445...

tan 49

-3.17290855215919087584097724175081...

sin 49°

0.75470958022277201404648394600372...

cos 49°

0.65605902899050727583585285174195...

tan 49°

1.15036840722100941469818735640729...

log 49

3.89182029811062646373898132878821...

log10 49

1.69019608002851362549279201630270...

log2 49

5.61470984411520834811426539090462...

Related pairs