21556591 (number)

21556591 is an odd 8-digits composite number following 21556590 and preceding 21556592. In scientific notation, it is written as 2.1556591 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 18477072 positive integers (up to 21556591) that are relatively prime to 21556591.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-six thousand five hundred ninety-one

Notation

Scientific notation 2.1556591 × 10^7
Engineering notation 2.1556591 × 10^6

Prime Factorization of 21556591

Prime Factorization 7 × 3079513

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21556591
Product of the distinct prime numbers

The prime factorization of 21556591 is 7 × 3079513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21556591)

Multiplication

n×y
n×2 43113182
n×3 64669773
n×4 86226364
n×5 107782955

Division

n÷y
n÷2 10778295.5
n÷3 7185530.3333333
n÷3 5389147.75
n÷5 4311318.2

Exponentiation

ny
n2 464686615541281
n3 1.0017059314398E+22
n4 2.1593365066321E+29
n5 4.6547933904837E+36

Nth Root

y√n
2√n 4642.9076019236
3√n 278.30864311406
4√n 68.138884654238
5√n 29.289773708806

Divisors of 21556591

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21556590
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21556591 can be divided by 4 positive divisors. The sum of these divisors (counting 21556591) is 1, the average is 0.25.

Base conversion 21556591

Base System Value
2 Binary 1010010001110110101101111
3 Ternary 1111120012002021
4 Quaternary 1102032311233
5 Quinary 21004302331
6 Senary 2050011011
8 Octal 122166557
10 Decimal 21556591
12 Duodecimal 7276a67
16 Hexadecimal 148ed6f
20 Vigesimal 6eeb9b
36 Base36 cu167

Cryptographic Hash Functions

md5 4b9088f99aca9f068f0709d9216cd36c
sha1 248a1ad243005e33e0fc68e336747f3c9f2c98fc
sha256 ca1064ba7c9e8ad8ab2ccdb7e5cfdca1cb151e2d1f809aacd35e7aad41745abc
sha512 c194f3a40b475b55eebd809c7deb58739b0baf113fe2bc878eb8768de470705ee0dc82b3cad802247e1f24ddf260bca7b7d22eec1ba5071afe3c0c3575b139c9
ripemd-160 feacbd5d4007ca6f5c59b99166753cbec60f21ea

21556591 as geometric shapes

Circle

Radius = n
Diameter 43113182
Circumference 135444055.84408
Area 1.459856057606E+15

Sphere

Radius = n
Volume 4.1959359936913E+22
Surface area 5.839424230424E+15
Circumference 135444055.84408

Square

Length = n
Perimeter 86226364
Area 464686615541281
Diagonal 30485623.35073

Cube

Length = n
Surface area 2788119693247686
Volume 1.0017059314398E+22
Space diagonal 37337110.849982

Equilateral Triangle

Length = n
Perimeter 64669773
Area 2.0121520692868E+14
Altitude 18668555.424991

Triangular Pyramid

Length = n
Surface area 2.0121520692868E+14
Volume 1.1805217614597E+21
Height 10161874.450243