31621388 (number)

31621388 is an even 8-digits composite number following 31621387 and preceding 31621389. In scientific notation, it is written as 3.1621388 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 15696672 positive integers (up to 31621388) that are relatively prime to 31621388.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1621388 × 10^7
Engineering notation 3.1621388 × 10^6

Prime Factorization of 31621388

Prime Factorization 2 × 2 × 139 × 56873

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15810694
Product of the distinct prime numbers

The prime factorization of 31621388 is 2 × 2 × 139 × 56873. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 63, 51, 282, 990, 8174, 3998, 4385, 10633, 934360, 390500, 3592869, 2523922, 42974145, 70745498, 230927839, 115772661, 7304996036, 5293176162

Basic calculations (n = 31621388)

Multiplication

n×y
n×2 63242776
n×3 94864164
n×4 126485552
n×5 158106940

Division

n÷y
n÷2 15810694
n÷3 10540462.666667
n÷3 7905347
n÷5 6324277.6

Exponentiation

ny
n2 999912179046544
n3 3.1618610979556E+22
n4 9.9982436580561E+29
n5 3.1615834202993E+37

Nth Root

y√n
2√n 5623.2897844589
3√n 316.22313727681
4√n 74.988597696309
5√n 31.622498876469

Divisors of 31621388

1, 2, 4, 139, 278, 556, 56873, 113746, 227492, 7905347, 15810694, 31621388

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 -31621387
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 31621388 can be divided by 12 positive divisors. The sum of these divisors (counting 31621388) is 1, the average is 0.083333333333333.

Base conversion 31621388

Base System Value
2 Binary 1111000101000000100001100
3 Ternary 2012111112101112
4 Quaternary 1320220010030
5 Quinary 31043341023
6 Senary 3045431152
8 Octal 170500414
10 Decimal 31621388
12 Duodecimal a70b4b8
16 Hexadecimal 1e2810c
20 Vigesimal 9hcd98
36 Base36 itr7w

Cryptographic Hash Functions

md5 5a88a85fd47e15c59ffc4219c4531f4b
sha1 d798a6f905059c7cb2e1e087255d94864794b441
sha256 a00898cc0cefded8807338674a35104f1a40ad9683fdae5bdeab2474241199a5
sha512 2e74fa2966ed08c97c1652effa47220ef7b620b99e4b0ddc22138f21b40fef710d631ec298de3571ebd5bd56a588bcff55a8b99f00e7bfbb0ec447ea0a975368
ripemd-160 46c8dd336ec06101e6bbd4a37df711116dcc8322

31621388 as geometric shapes

Circle

Radius = n
Diameter 63242776
Circumference 198683040.47422
Area 3.1413167559276E+15

Sphere

Radius = n
Volume 1.3244372796012E+23
Surface area 1.256526702371E+16
Circumference 198683040.47422

Square

Length = n
Perimeter 126485552
Area 999912179046544
Diagonal 44719395.770662

Cube

Length = n
Surface area 5999473074279264
Volume 3.1618610979556E+22
Space diagonal 54769850.621849

Equilateral Triangle

Length = n
Perimeter 94864164
Area 4.3297467430388E+14
Altitude 27384925.310924

Triangular Pyramid

Length = n
Surface area 4.3297467430388E+14
Volume 3.7262890392239E+21
Height 14906465.256887