21491752 (number)

21491752 is an even 8-digits composite number following 21491751 and preceding 21491753. In scientific notation, it is written as 2.1491752 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors. There are 10278576 positive integers (up to 21491752) that are relatively prime to 21491752.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-one thousand seven hundred fifty-two

Notation

Scientific notation 2.1491752 × 10^7
Engineering notation 2.1491752 × 10^6

Prime Factorization of 21491752

Prime Factorization 2 × 2 × 2 × 23 × 116803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5372938
Product of the distinct prime numbers

The prime factorization of 21491752 is 2 × 2 × 2 × 23 × 116803. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 43, 100, 199, 643, 3968, 505, 39021, 19951, 602390, 656994, 580310, 2295948, 64416801, 2591143, 687590817, 730395639, 7088913788, 3527288189

Basic calculations (n = 21491752)

Multiplication

n×y
n×2 42983504
n×3 64475256
n×4 85967008
n×5 107458760

Division

n÷y
n÷2 10745876
n÷3 7163917.3333333
n÷3 5372938
n÷5 4298350.4

Exponentiation

ny
n2 461895404029504
n3 9.9269414733419E+21
n4 2.1334736426358E+29
n5 4.5852086426065E+36

Nth Root

y√n
2√n 4635.919757718
3√n 278.02932596106
4√n 68.087588866973
5√n 29.272132620038

Divisors of 21491752

1, 2, 4, 8, 23, 46, 92, 184, 116803, 233606, 467212, 934424, 2686469, 5372938, 10745876, 21491752

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 -21491751
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 21491752 can be divided by 16 positive divisors. The sum of these divisors (counting 21491752) is 1, the average is 0.0625.

Base conversion 21491752

Base System Value
2 Binary 1010001111111000000101000
3 Ternary 1111102220010211
4 Quaternary 1101333000220
5 Quinary 21000214002
6 Senary 2044350504
8 Octal 121770050
10 Decimal 21491752
12 Duodecimal 7245434
16 Hexadecimal 147f028
20 Vigesimal 6e697c
36 Base36 csn54

Cryptographic Hash Functions

md5 55fb6a1faa9435144397b5316645332c
sha1 591041e35db4918528ec0e338d289cc7e523377c
sha256 d11b22865f70d150df09a28d62207483fbbb6676cfe9e11ff1a0975b5c71d3cc
sha512 e5bba26d2011372727d2387d5c1847cdfdc4730ec69768defcfde0e5b3c601dfef74bd608757417c31ff93300e67f34138b12ecd47068b55bd24afad7f76ffce
ripemd-160 cb15f390681cba4e6fc6b1724cfecc2907b650f6

21491752 as geometric shapes

Circle

Radius = n
Diameter 42983504
Circumference 135036660.39195
Area 1.451087208026E+15

Sphere

Radius = n
Volume 4.1581875207022E+22
Surface area 5.8043488321039E+15
Circumference 135036660.39195

Square

Length = n
Perimeter 85967008
Area 461895404029504
Diagonal 30393927.157559

Cube

Length = n
Surface area 2771372424177024
Volume 9.9269414733419E+21
Space diagonal 37224806.40767

Equilateral Triangle

Length = n
Perimeter 64475256
Area 2.0000657689041E+14
Altitude 18612403.203835

Triangular Pyramid

Length = n
Surface area 2.0000657689041E+14
Volume 1.1699012720403E+21
Height 10131309.05252