21231272 (number)

21231272 is an even 8-digits composite number following 21231271 and preceding 21231273. In scientific notation, it is written as 2.1231272 × 10^7. The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors. There are 10465840 positive integers (up to 21231272) that are relatively prime to 21231272.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1231272 × 10^7
Engineering notation 2.1231272 × 10^6

Prime Factorization of 21231272

Prime Factorization 2 × 2 × 2 × 71 × 37379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5307818
Product of the distinct prime numbers

The prime factorization of 21231272 is 2 × 2 × 2 × 71 × 37379. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 77, 31, 914, 846, 3088, 6899, 13228, 1743, 611846, 210865, 4174393, 775233, 88648360, 82060737, 258829471, 31988294, 303138948, 670281633

Basic calculations (n = 21231272)

Multiplication

n×y
n×2 42462544
n×3 63693816
n×4 84925088
n×5 106156360

Division

n÷y
n÷2 10615636
n÷3 7077090.6666667
n÷3 5307818
n÷5 4246254.4

Exponentiation

ny
n2 450766910737984
n3 9.5703548904779E+21
n4 2.0319080781627E+29
n5 4.3139993086469E+36

Nth Root

y√n
2√n 4607.7404440789
3√n 276.90151894541
4√n 67.88033915707
5√n 29.200830464059

Divisors of 21231272

1, 2, 4, 8, 71, 142, 284, 568, 37379, 74758, 149516, 299032, 2653909, 5307818, 10615636, 21231272

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 -21231271
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 21231272 can be divided by 16 positive divisors. The sum of these divisors (counting 21231272) is 1, the average is 0.0625.

Base conversion 21231272

Base System Value
2 Binary 1010000111111011010101000
3 Ternary 1110221122211102
4 Quaternary 1100333122220
5 Quinary 20413400042
6 Senary 2035020532
8 Octal 120773250
10 Decimal 21231272
12 Duodecimal 713a748
16 Hexadecimal 143f6a8
20 Vigesimal 6cdi3c
36 Base36 cn25k

Cryptographic Hash Functions

md5 2907555a574e73091ccb44c33fe49d66
sha1 df1ed691a53590593276d7d53fcc8ae19cc20292
sha256 6f8367a6832e246e5f82eb7cee42caea6d1eb02d94b5adeb83552bb22645e9a8
sha512 9b3e23f716a781de583350d96e2210f2b23d7591fadb53384a43fd71bc9181b7b30e5b513b3a7ec80729e1de9c7d2b45c184cea977a3872dfc8ed63960ad3c84
ripemd-160 826e8b04a7aba4ae20f1ad8edd09b938b81645f6

21231272 as geometric shapes

Circle

Radius = n
Diameter 42462544
Circumference 133400016.28313
Area 1.4161260152558E+15

Sphere

Radius = n
Volume 4.0088208821563E+22
Surface area 5.6645040610233E+15
Circumference 133400016.28313

Square

Length = n
Perimeter 84925088
Area 450766910737984
Diagonal 30025552.808832

Cube

Length = n
Surface area 2704601464427904
Volume 9.5703548904779E+21
Space diagonal 36773641.813314

Equilateral Triangle

Length = n
Perimeter 63693816
Area 1.9518779794226E+14
Altitude 18386820.906657

Triangular Pyramid

Length = n
Surface area 1.9518779794226E+14
Volume 1.1278771402365E+21
Height 10008517.602944