21557025 (number)

21557025 is an odd 8-digits composite number following 21557024 and preceding 21557026. In scientific notation, it is written as 2.1557025 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 9853920 positive integers (up to 21557025) that are relatively prime to 21557025.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-seven thousand twenty-five

Notation

Scientific notation 2.1557025 × 10^7
Engineering notation 2.1557025 × 10^6

Prime Factorization of 21557025

Prime Factorization 9 × 7 × 5 × 5 × 13687

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4311405
Product of the distinct prime numbers

The prime factorization of 21557025 is 9 × 7 × 5 × 5 × 13687. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 17, 89, 220, 252, 9317, 1862, 13536, 50358, 410733, 611973, 2272584, 9231195, 19089735, 41385688, 39020348, 593315256, 4290185572, 1205974256

Basic calculations (n = 21557025)

Multiplication

n×y
n×2 43114050
n×3 64671075
n×4 86228100
n×5 107785125

Division

n÷y
n÷2 10778512.5
n÷3 7185675
n÷3 5389256.25
n÷5 4311405

Exponentiation

ny
n2 464705326850625
n3 1.0017664348552E+22
n4 2.1595104080335E+29
n5 4.6552619853738E+36

Nth Root

y√n
2√n 4642.9543396419
3√n 278.3105108358
4√n 68.139227612602
5√n 29.289891646372

Divisors of 21557025

1, 5, 7, 9, 25, 35, 45, 63, 175, 225, 315, 1575, 13687, 68435, 95809, 123183, 342175, 479045, 615915, 862281, 2395225, 3079575, 4311405, 21557025

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21557024
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21557025 can be divided by 24 positive divisors. The sum of these divisors (counting 21557025) is 1, the average is 0.041666666666667.

Base conversion 21557025

Base System Value
2 Binary 1010010001110111100100001
3 Ternary 1111120012200100
4 Quaternary 1102032330201
5 Quinary 21004311100
6 Senary 2050013013
8 Octal 122167441
10 Decimal 21557025
12 Duodecimal 7277169
16 Hexadecimal 148ef21
20 Vigesimal 6eecb5
36 Base36 cu1i9

Cryptographic Hash Functions

md5 61744aa43a5b00895c214c2eb90679b4
sha1 f62433c021aceadf59f0c0fbb7598d14786afda3
sha256 da1b35e9e51f14c135ab9cdad2ee874fe4656699fe5b1fbb5325302a6aea88fb
sha512 f9aa6359c029cfb9df4c182221aa7064bc71ad8a6a0468623311d15ef0257f4e1caebde5a578d1988ead543e102ad753b69536c2ccf559dc3f512ea5c6647318
ripemd-160 6e93393a309779e4c3fd9304b9d27f064b252e76

21557025 as geometric shapes

Circle

Radius = n
Diameter 43114050
Circumference 135446782.7465
Area 1.459914840918E+15

Sphere

Radius = n
Volume 4.1961894298053E+22
Surface area 5.8396593636719E+15
Circumference 135446782.7465

Square

Length = n
Perimeter 86228100
Area 464705326850625
Diagonal 30486237.119416

Cube

Length = n
Surface area 2788231961103750
Volume 1.0017664348552E+22
Space diagonal 37337862.560032

Equilateral Triangle

Length = n
Perimeter 64671075
Area 2.012233091633E+14
Altitude 18668931.280016

Triangular Pyramid

Length = n
Surface area 2.012233091633E+14
Volume 1.1805930654187E+21
Height 10162079.039805