31621389 (number)

31621389 is an odd 8-digits composite number following 31621388 and preceding 31621390. In scientific notation, it is written as 3.1621389 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 19971248 positive integers (up to 31621389) that are relatively prime to 31621389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1621389 × 10^7
Engineering notation 3.1621389 × 10^6

Prime Factorization of 31621389

Prime Factorization 3 × 23 × 107 × 4283

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31621389
Product of the distinct prime numbers

The prime factorization of 31621389 is 3 × 23 × 107 × 4283. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 8, 75, 64, 283, 751, 6162, 4766, 6282, 45958, 548018, 890325, 1032, 8084559, 13844262, 98258006, 57987199, 112070199, 7397357284, 9447572822

Basic calculations (n = 31621389)

Multiplication

n×y
n×2 63242778
n×3 94864167
n×4 126485556
n×5 158106945

Division

n÷y
n÷2 15810694.5
n÷3 10540463
n÷3 7905347.25
n÷5 6324277.8

Exponentiation

ny
n2 999912242289321
n3 3.1618613979293E+22
n4 9.9982449228006E+29
n5 3.1615839202115E+37

Nth Root

y√n
2√n 5623.2898733748
3√n 316.22314061024
4√n 74.988598289172
5√n 31.622499076476

Divisors of 31621389

1, 3, 23, 69, 107, 321, 2461, 4283, 7383, 12849, 98509, 295527, 458281, 1374843, 10540463, 31621389

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31621388
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31621389 can be divided by 16 positive divisors. The sum of these divisors (counting 31621389) is 1, the average is 0.0625.

Base conversion 31621389

Base System Value
2 Binary 1111000101000000100001101
3 Ternary 2012111112101120
4 Quaternary 1320220010031
5 Quinary 31043341024
6 Senary 3045431153
8 Octal 170500415
10 Decimal 31621389
12 Duodecimal a70b4b9
16 Hexadecimal 1e2810d
20 Vigesimal 9hcd99
36 Base36 itr7x

Cryptographic Hash Functions

md5 bd805347c3b891b9443a4a792bc37177
sha1 0df53261c48e70d586be25d1430494b75f5e787f
sha256 6271263b1ea77f9774893f413a8def2491cd115a6d4414c6a327590647785381
sha512 e596b7a8620545f61a0039594b438c0aa19f99dcca9d3ea78e7072dd34d9f59197726fecaf32cac6c58d02ce77c397a7d4965d4024cdb838e9e8f19769d5fd9d
ripemd-160 f531f7264646449a363dd1eb246a07a2fdfa7cb6

31621389 as geometric shapes

Circle

Radius = n
Diameter 63242778
Circumference 198683046.75741
Area 3.1413169546106E+15

Sphere

Radius = n
Volume 1.3244374052538E+23
Surface area 1.2565267818443E+16
Circumference 198683046.75741

Square

Length = n
Perimeter 126485556
Area 999912242289321
Diagonal 44719397.184875

Cube

Length = n
Surface area 5999473453735926
Volume 3.1618613979293E+22
Space diagonal 54769852.3539

Equilateral Triangle

Length = n
Perimeter 94864167
Area 4.3297470168881E+14
Altitude 27384926.17695

Triangular Pyramid

Length = n
Surface area 4.3297470168881E+14
Volume 3.7262893927463E+21
Height 14906465.728292