21125511 (number)

21125511 is an odd 8-digits composite number following 21125510 and preceding 21125512. In scientific notation, it is written as 2.1125511 × 10^7. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 12117600 positive integers (up to 21125511) that are relatively prime to 21125511.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred twenty-five thousand five hundred eleven

Notation

Scientific notation 2.1125511 × 10^7
Engineering notation 2.1125511 × 10^6

Prime Factorization of 21125511

Prime Factorization 9 × 11 × 19 × 11 × 1021

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1920501
Product of the distinct prime numbers

The prime factorization of 21125511 is 9 × 11 × 19 × 11 × 1021. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 54, 87, 378, 830, 9337, 8958, 65641, 72226, 149044, 740467, 8169770, 8159263, 37586193, 63841178, 366499515, 491988092, 7443017014, 1139651789

Basic calculations (n = 21125511)

Multiplication

n×y
n×2 42251022
n×3 63376533
n×4 84502044
n×5 105627555

Division

n÷y
n÷2 10562755.5
n÷3 7041837
n÷3 5281377.75
n÷5 4225102.2

Exponentiation

ny
n2 446287215011121
n3 9.4280454698768E+21
n4 1.9917227828238E+29
n5 4.2076161557495E+36

Nth Root

y√n
2√n 4596.249666848
3√n 276.44096962371
4√n 67.795646370899
5√n 29.171680245443

Divisors of 21125511

1, 9, 11, 19, 99, 121, 171, 209, 1021, 1089, 1881, 2299, 9189, 11231, 19399, 20691, 101079, 123541, 174591, 213389, 1111869, 1920501, 2347279, 21125511

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 -21125510
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 21125511 can be divided by 24 positive divisors. The sum of these divisors (counting 21125511) is 1, the average is 0.041666666666667.

Base conversion 21125511

Base System Value
2 Binary 1010000100101100110000111
3 Ternary 1110202021202100
4 Quaternary 1100211212013
5 Quinary 20402004021
6 Senary 2032443143
8 Octal 120454607
10 Decimal 21125511
12 Duodecimal 70a94b3
16 Hexadecimal 1425987
20 Vigesimal 6c0dfb
36 Base36 cksjr

Cryptographic Hash Functions

md5 8617e413153dd46627455fe8f644af43
sha1 cda56bf88c74fb074269de38cf4dc93568c85453
sha256 c96dbec7fdf2dad8d417587445aef38cea4f91990c423d46e1430003ab42591c
sha512 d7c8a97415c167337c4af4cb09f16ee6513bc46a5b1c59065418a332f568c516e33408ff8d9a9af2de82d4a573a0b828a1dc7a7e7333eaa1a0e91a970aaeaf3b
ripemd-160 e2fc34139f9986fbcbf56aee74c12dbea81f4e4e

21125511 as geometric shapes

Circle

Radius = n
Diameter 42251022
Circumference 132735500.32186
Area 1.40205263607E+15

Sphere

Radius = n
Volume 3.9492104514501E+22
Surface area 5.6082105442799E+15
Circumference 132735500.32186

Square

Length = n
Perimeter 84502044
Area 446287215011121
Diagonal 29875984.168262

Cube

Length = n
Surface area 2677723290066726
Volume 9.4280454698768E+21
Space diagonal 36590458.387855

Equilateral Triangle

Length = n
Perimeter 63376533
Area 1.9324803279192E+14
Altitude 18295229.193928

Triangular Pyramid

Length = n
Surface area 1.9324803279192E+14
Volume 1.1111058141808E+21
Height 9958661.3894207