31386908 (number)

31386908 is an even 8-digits composite number following 31386907 and preceding 31386909. In scientific notation, it is written as 3.1386908 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 13451520 positive integers (up to 31386908) that are relatively prime to 31386908.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-six thousand nine hundred eight

Notation

Scientific notation 3.1386908 × 10^7
Engineering notation 3.1386908 × 10^6

Prime Factorization of 31386908

Prime Factorization 2 × 2 × 7 × 1120961

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15693454
Product of the distinct prime numbers

The prime factorization of 31386908 is 2 × 2 × 7 × 1120961. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 6, 69, 35, 720, 259, 7754, 2868, 66152, 80187, 336487, 577174, 2526121, 139101, 11949956, 520335, 314616503, 793987014, 3256236758, 3728276579

Basic calculations (n = 31386908)

Multiplication

n×y
n×2 62773816
n×3 94160724
n×4 125547632
n×5 156934540

Division

n÷y
n÷2 15693454
n÷3 10462302.666667
n÷3 7846727
n÷5 6277381.6

Exponentiation

ny
n2 985137993800464
n3 3.092043557872E+22
n4 9.704968668292E+29
n5 3.0460895873456E+37

Nth Root

y√n
2√n 5602.4019848633
3√n 315.43957442446
4√n 74.849194951337
5√n 31.575461504051

Divisors of 31386908

1, 2, 4, 7, 14, 28, 1120961, 2241922, 4483844, 7846727, 15693454, 31386908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31386907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31386908 can be divided by 12 positive divisors. The sum of these divisors (counting 31386908) is 1, the average is 0.083333333333333.

Base conversion 31386908

Base System Value
2 Binary 1110111101110110100011100
3 Ternary 2012001121202002
4 Quaternary 1313232310130
5 Quinary 31013340113
6 Senary 3040421432
8 Octal 167566434
10 Decimal 31386908
12 Duodecimal a617878
16 Hexadecimal 1deed1c
20 Vigesimal 9g3758
36 Base36 ioqak

Cryptographic Hash Functions

md5 698f63621c6a34c54808787d709a2d38
sha1 6a0a15ed154c04c1b19c8a4f9dbe4c530322f6cb
sha256 93ba9144ba2619f94c1bfd6e032f16949659dddbe5461c52cc877526c6685f88
sha512 0fa141f085e06b176ae7bb737fc0a02058a74cc6043ed3ab5e4046df5672d6ee8e97b575abaa4226d0084ab94034729e782e449d4ac3b9ebe6f469f8666379d1
ripemd-160 ec15d43868a9b8a3f3b95a2b83b662f3c0722c9f

31386908 as geometric shapes

Circle

Radius = n
Diameter 62773816
Circumference 197209759.1834
Area 3.0949022840957E+15

Sphere

Radius = n
Volume 1.2951921767987E+23
Surface area 1.2379609136383E+16
Circumference 197209759.1834

Square

Length = n
Perimeter 125547632
Area 985137993800464
Diagonal 44387790.974557

Cube

Length = n
Surface area 5910827962802784
Volume 3.092043557872E+22
Space diagonal 54363719.34849

Equilateral Triangle

Length = n
Perimeter 94160724
Area 4.2657726443222E+14
Altitude 27181859.674245

Triangular Pyramid

Length = n
Surface area 4.2657726443222E+14
Volume 3.6440082791591E+21
Height 14795930.324852