21131472 (number)

21131472 is an even 8-digits composite number following 21131471 and preceding 21131473. In scientific notation, it is written as 2.1131472 × 10^7. The sum of its digits is 21. It has a total of 6 prime factors and 20 positive divisors. There are 7043808 positive integers (up to 21131472) that are relatively prime to 21131472.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131472 × 10^7
Engineering notation 2.1131472 × 10^6

Prime Factorization of 21131472

Prime Factorization 2 × 2 × 2 × 2 × 3 × 440239

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2641434
Product of the distinct prime numbers

The prime factorization of 21131472 is 2 × 2 × 2 × 2 × 3 × 440239. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 9, 52, 85, 220, 620, 7036, 5365, 42227, 5478, 784146, 121146, 5475801, 6534552, 14683053, 77749486, 972562797, 565852805, 300783424, 1195430867

Basic calculations (n = 21131472)

Multiplication

n×y
n×2 42262944
n×3 63394416
n×4 84525888
n×5 105657360

Division

n÷y
n÷2 10565736
n÷3 7043824
n÷3 5282868
n÷5 4226294.4

Exponentiation

ny
n2 446539108886784
n3 9.436028676346E+21
n4 1.993971757654E+29
n5 4.2135558365657E+36

Nth Root

y√n
2√n 4596.8980845783
3√n 276.46696835815
4√n 67.800428350994
5√n 29.173326338286

Divisors of 21131472

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 440239, 880478, 1320717, 1760956, 2641434, 3521912, 5282868, 7043824, 10565736, 21131472

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131471
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131472 can be divided by 20 positive divisors. The sum of these divisors (counting 21131472) is 1, the average is 0.05.

Base conversion 21131472

Base System Value
2 Binary 1010000100111000011010000
3 Ternary 1110202120221010
4 Quaternary 1100213003100
5 Quinary 20402201342
6 Senary 2032530520
8 Octal 120470320
10 Decimal 21131472
12 Duodecimal 70b0a40
16 Hexadecimal 14270d0
20 Vigesimal 6c18dc
36 Base36 ckx5c

Cryptographic Hash Functions

md5 13025883a403926078f1fb15fcbfadb5
sha1 c168b685e0590528631a04cf9a9118e2f04c82c2
sha256 374690497a96ab83c17c51ce67f358f4593656f3785a81a7d8499a16c0c9f6a6
sha512 23acfbaf2c8eadd22c68c1ac35c89f20d74e61b28da90781395cab61d495959abe2af0b2f2230bd84ba258185991e83864918c854be7e2c37d484f51b56c3d74
ripemd-160 ce5d9807996c03213f9c55ee4c1f01603ff2cc1a

21131472 as geometric shapes

Circle

Radius = n
Diameter 42262944
Circumference 132772954.38948
Area 1.4028439840193E+15

Sphere

Radius = n
Volume 3.9525544491562E+22
Surface area 5.611375936077E+15
Circumference 132772954.38948

Square

Length = n
Perimeter 84525888
Area 446539108886784
Diagonal 29884414.295307

Cube

Length = n
Surface area 2679234653320704
Volume 9.436028676346E+21
Space diagonal 36600783.142719

Equilateral Triangle

Length = n
Perimeter 63394416
Area 1.9335710603961E+14
Altitude 18300391.57136

Triangular Pyramid

Length = n
Surface area 1.9335710603961E+14
Volume 1.1120466440858E+21
Height 9961471.4317691