21931472 (number)

21931472 is an even 8-digits composite number following 21931471 and preceding 21931473. In scientific notation, it is written as 2.1931472 × 10^7. The sum of its digits is 29. It has a total of 7 prime factors and 30 positive divisors. There are 10385856 positive integers (up to 21931472) that are relatively prime to 21931472.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931472 × 10^7
Engineering notation 2.1931472 × 10^6

Prime Factorization of 21931472

Prime Factorization 2 × 2 × 2 × 2 × 19 × 19 × 3797

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 144286
Product of the distinct prime numbers

The prime factorization of 21931472 is 2 × 2 × 2 × 2 × 19 × 19 × 3797. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 4, 37, 5, 875, 701, 3222, 5052, 75098, 25639, 858193, 452174, 4345976, 4355758, 5378359, 97052218, 618274014, 16622157, 2669283604, 4847722717

Basic calculations (n = 21931472)

Multiplication

n×y
n×2 43862944
n×3 65794416
n×4 87725888
n×5 109657360

Division

n÷y
n÷2 10965736
n÷3 7310490.6666667
n÷3 5482868
n÷5 4386294.4

Exponentiation

ny
n2 480989464086784
n3 1.0548806963914E+22
n4 2.3135086456249E+29
n5 5.0738650083281E+36

Nth Root

y√n
2√n 4683.1049529132
3√n 279.91269386855
4√n 68.433215275283
5√n 29.390945424793

Divisors of 21931472

1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 361, 722, 1444, 2888, 3797, 5776, 7594, 15188, 30376, 60752, 72143, 144286, 288572, 577144, 1154288, 1370717, 2741434, 5482868, 10965736, 21931472

30 divisors

τ Total Divisors 30
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931471
Sum of the proper positive divisors of n
A Arithmetic Mean 0.033333333333333
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 30
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931472 can be divided by 30 positive divisors. The sum of these divisors (counting 21931472) is 1, the average is 0.033333333333333.

Base conversion 21931472

Base System Value
2 Binary 1010011101010010111010000
3 Ternary 1112021020022202
4 Quaternary 1103222113100
5 Quinary 21103301342
6 Senary 2102022332
8 Octal 123522720
10 Decimal 21931472
12 Duodecimal 74179a8
16 Hexadecimal 14ea5d0
20 Vigesimal 6h18dc
36 Base36 d22fk

Cryptographic Hash Functions

md5 0ea49a81666154f594cb167b657f87af
sha1 e9591d51c22a388a9cc287534e306034b9ebd118
sha256 b008943c7216f507c7db1e67c325e9807375dc4b832b2f91830f1043016439fc
sha512 a9fc8078cd0dff9a337426d115ae74b6a8d41e07e2c036e741d0acb5f1159b9c32658f9540c101e442e503e69282ed1dba21508a3367cdf718c8bb2f5cecf896
ripemd-160 db4f161ff518f2ce5e5f855b602cb868e9d9aa14

21931472 as geometric shapes

Circle

Radius = n
Diameter 43862944
Circumference 137799502.63522
Area 1.5110729668291E+15

Sphere

Radius = n
Volume 4.4186739282627E+22
Surface area 6.0442918673165E+15
Circumference 137799502.63522

Square

Length = n
Perimeter 87725888
Area 480989464086784
Diagonal 31015785.145206

Cube

Length = n
Surface area 2885936784520704
Volume 1.0548806963914E+22
Space diagonal 37986423.788774

Equilateral Triangle

Length = n
Perimeter 65794416
Area 2.0827454742591E+14
Altitude 18993211.894387

Triangular Pyramid

Length = n
Surface area 2.0827454742591E+14
Volume 1.2431888229353E+21
Height 10338595.048402