21031902 (number)

21031902 is an even 8-digits composite number following 21031901 and preceding 21031903. In scientific notation, it is written as 2.1031902 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors. There are 6604416 positive integers (up to 21031902) that are relatively prime to 21031902.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred two

Notation

Scientific notation 2.1031902 × 10^7
Engineering notation 2.1031902 × 10^6

Prime Factorization of 21031902

Prime Factorization 2 × 9 × 29 × 43 × 937

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21031902
Product of the distinct prime numbers

The prime factorization of 21031902 is 2 × 9 × 29 × 43 × 937. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 4, 94, 27, 702, 973, 6689, 6070, 14223, 17414, 460832, 53199, 1717792, 8862417, 65538315, 79987101, 112064555, 72359106, 8966713784, 2968033064

Basic calculations (n = 21031902)

Multiplication

n×y
n×2 42063804
n×3 63095706
n×4 84127608
n×5 105159510

Division

n÷y
n÷2 10515951
n÷3 7010634
n÷3 5257975.5
n÷5 4206380.4

Exponentiation

ny
n2 442340901737604
n3 9.3032704959369E+21
n4 1.9566547335004E+29
n5 4.1152170602816E+36

Nth Root

y√n
2√n 4586.0551675705
3√n 276.03205361816
4√n 67.720419133157
5√n 29.145781844505

Divisors of 21031902

1, 2, 9, 18, 29, 43, 58, 86, 261, 387, 522, 774, 937, 1247, 1874, 2494, 8433, 11223, 16866, 22446, 27173, 40291, 54346, 80582, 244557, 362619, 489114, 725238, 1168439, 2336878, 10515951, 21031902

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031901
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031902 can be divided by 32 positive divisors. The sum of these divisors (counting 21031902) is 1, the average is 0.03125.

Base conversion 21031902

Base System Value
2 Binary 1010000001110101111011110
3 Ternary 1110120112100100
4 Quaternary 1100032233132
5 Quinary 20341010102
6 Senary 2030441530
8 Octal 120165736
10 Decimal 21031902
12 Duodecimal 70632a6
16 Hexadecimal 140ebde
20 Vigesimal 6b8jf2
36 Base36 cisbi

Cryptographic Hash Functions

md5 45a7778bb50655eb20ff29eb036a8a64
sha1 f1b2b44e396252912c0072028716cb884f538c4d
sha256 288ffd923051ab168671c2f31821425b2a2ba3c839f0c4e3f81c084b62e66da5
sha512 51cb8c623c7bdcc0ea5225a39cdccc7d8b35bdf5d93474a45b04084aad7daff28ec1035592b42c2c0e3174ac38d1c38687094eccbe1dbe74e485427bb5e3f779
ripemd-160 a9d3165d0d1108d485881c0ec107ae5060f68dc9

21031902 as geometric shapes

Circle

Radius = n
Diameter 42063804
Circumference 132147337.62844
Area 1.3896549272811E+15

Sphere

Radius = n
Volume 3.8969448325859E+22
Surface area 5.5586197091246E+15
Circumference 132147337.62844

Square

Length = n
Perimeter 84127608
Area 442340901737604
Diagonal 29743601.050902

Cube

Length = n
Surface area 2654045410425624
Volume 9.3032704959369E+21
Space diagonal 36428322.843809

Equilateral Triangle

Length = n
Perimeter 63095706
Area 1.9153922901884E+14
Altitude 18214161.421905

Triangular Pyramid

Length = n
Surface area 1.9153922901884E+14
Volume 1.0964009424816E+21
Height 9914533.6836339