31686768 (number)

31686768 is an even 8-digits composite number following 31686767 and preceding 31686769. In scientific notation, it is written as 3.1686768 × 10^7. The sum of its digits is 45. It has a total of 8 prime factors and 80 positive divisors. There are 10298880 positive integers (up to 31686768) that are relatively prime to 31686768.

Interesting facts

Basic properties

Name

Name thirty-one million six hundred eighty-six thousand seven hundred sixty-eight

Notation

Scientific notation 3.1686768 × 10^7
Engineering notation 3.1686768 × 10^6

Prime Factorization of 31686768

Prime Factorization 2 × 2 × 2 × 2 × 3 × 9 × 41 × 1789

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3960846
Product of the distinct prime numbers

The prime factorization of 31686768 is 2 × 2 × 2 × 2 × 3 × 9 × 41 × 1789. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 4, 47, 36, 796, 45, 789, 1111, 11766, 10031, 689533, 236526, 3977871, 5538599, 2617940, 50178136, 654747007, 727326041, 7388537224, 6877593271

Basic calculations (n = 31686768)

Multiplication

n×y
n×2 63373536
n×3 95060304
n×4 126747072
n×5 158433840

Division

n÷y
n÷2 15843384
n÷3 10562256
n÷3 7921692
n÷5 6337353.6

Exponentiation

ny
n2 1004051266285824
n3 3.1815139534905E+22
n4 1.0081189453302E+30
n5 3.1944031137082E+37

Nth Root

y√n
2√n 5629.1001057007
3√n 316.44092695934
4√n 75.027329058822
5√n 31.635564534541

Divisors of 31686768

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 41, 48, 54, 72, 82, 108, 123, 144, 164, 216, 246, 328, 369, 432, 492, 656, 738, 984, 1107, 1476, 1789, 1968, 2214, 2952, 3578, 4428, 5367, 5904, 7156, 8856, 10734, 14312, 16101, 17712, 21468, 28624, 32202, 42936, 48303, 64404, 73349, 85872, 96606, 128808, 146698, 193212, 220047, 257616, 293396, 386424, 440094, 586792, 660141, 772848, 880188, 1173584, 1320282, 1760376, 1980423, 2640564, 3520752, 3960846, 5281128, 7921692, 10562256, 15843384, 31686768

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31686767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31686768 can be divided by 80 positive divisors. The sum of these divisors (counting 31686768) is 1, the average is 0.0125.

Base conversion 31686768

Base System Value
2 Binary 1111000111000000001110000
3 Ternary 2012121212002000
4 Quaternary 1320320001300
5 Quinary 31102434033
6 Senary 3051054000
8 Octal 170700160
10 Decimal 31686768
12 Duodecimal a741300
16 Hexadecimal 1e38070
20 Vigesimal 9i0gi8
36 Base36 iv5o0

Cryptographic Hash Functions

md5 37203526e51074499159402c32450b25
sha1 878b87b6080f79abf06047343b4cb8265d2da43b
sha256 d78fd212fcade6bac27007a65661bd22aa8ee9be585ca723da64369518f2256a
sha512 97633eaac90431ada38c0db2ec923028e1a8cc460c23e9562ad83156211a88753d5a87354ed0ecdb47e0882765aacb01940053fd26be3c0de54a5197169d4b50
ripemd-160 d3986b070f3ae3fe1e083e2019d0598d05e1fb41

31686768 as geometric shapes

Circle

Radius = n
Diameter 63373536
Circumference 199093835.12961
Area 3.1543200819911E+15

Sphere

Radius = n
Volume 1.3326694484772E+23
Surface area 1.2617280327964E+16
Circumference 199093835.12961

Square

Length = n
Perimeter 126747072
Area 1004051266285824
Diagonal 44811857.05337

Cube

Length = n
Surface area 6024307597714944
Volume 3.1815139534905E+22
Space diagonal 54883092.103648

Equilateral Triangle

Length = n
Perimeter 95060304
Area 4.3476695165273E+14
Altitude 27441546.051824

Triangular Pyramid

Length = n
Surface area 4.3476695165273E+14
Volume 3.7494501515879E+21
Height 14937285.684457