21125655 (number)

21125655 is an odd 8-digits composite number following 21125654 and preceding 21125656. In scientific notation, it is written as 2.1125655 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11188800 positive integers (up to 21125655) that are relatively prime to 21125655.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1125655 × 10^7
Engineering notation 2.1125655 × 10^6

Prime Factorization of 21125655

Prime Factorization 45 × 151 × 3109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21125655
Product of the distinct prime numbers

The prime factorization of 21125655 is 45 × 151 × 3109. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21125655)

Multiplication

n×y
n×2 42251310
n×3 63376965
n×4 84502620
n×5 105628275

Division

n÷y
n÷2 10562827.5
n÷3 7041885
n÷3 5281413.75
n÷5 4225131

Exponentiation

ny
n2 446293299179025
n3 9.4282382672679E+21
n4 1.991777088921E+29
n5 4.2077595617449E+36

Nth Root

y√n
2√n 4596.2653317667
3√n 276.44159773331
4√n 67.795761901218
5√n 29.171720014521

Divisors of 21125655

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21125654
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21125655 can be divided by 8 positive divisors. The sum of these divisors (counting 21125655) is 1, the average is 0.125.

Base conversion 21125655

Base System Value
2 Binary 1010000100101101000010111
3 Ternary 1110202021221200
4 Quaternary 1100211220113
5 Quinary 20402010110
6 Senary 2032443543
8 Octal 120455027
10 Decimal 21125655
12 Duodecimal 70a95b3
16 Hexadecimal 1425a17
20 Vigesimal 6c0e2f
36 Base36 cksnr

Cryptographic Hash Functions

md5 51edb4d2d93182b87c851a8289410708
sha1 c74ee25730cec562d37fedf1a8d06634d7d4e0af
sha256 e5f39d86965dac35d7bea95632ace51a80c9d4b6a8e073d356f3b077c4289314
sha512 4c84c9f64124dd974450bb54a6f8323ad30eaf3f69a3cd8ae00b25b110339bef82fea00f5c4fe2bdc26443ca193e1dcba49d65f85ef52fac9cd85948e1273bbf
ripemd-160 10daa0719a31d91f7cf34be292468050704683a6

21125655 as geometric shapes

Circle

Radius = n
Diameter 42251310
Circumference 132736405.10054
Area 1.4020717500472E+15

Sphere

Radius = n
Volume 3.9492912102324E+22
Surface area 5.6082870001887E+15
Circumference 132736405.10054

Square

Length = n
Perimeter 84502620
Area 446293299179025
Diagonal 29876187.815015

Cube

Length = n
Surface area 2677759795074150
Volume 9.4282382672679E+21
Space diagonal 36590707.803171

Equilateral Triangle

Length = n
Perimeter 63376965
Area 1.932506673139E+14
Altitude 18295353.901586

Triangular Pyramid

Length = n
Surface area 1.932506673139E+14
Volume 1.1111285355713E+21
Height 9958729.2716717