21490888 (number)

21490888 is an even 8-digits composite number following 21490887 and preceding 21490889. In scientific notation, it is written as 2.1490888 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors. There are 10483200 positive integers (up to 21490888) that are relatively prime to 21490888.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety thousand eight hundred eighty-eight

Notation

Scientific notation 2.1490888 × 10^7
Engineering notation 2.1490888 × 10^6

Prime Factorization of 21490888

Prime Factorization 2 × 2 × 2 × 41 × 65521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5372722
Product of the distinct prime numbers

The prime factorization of 21490888 is 2 × 2 × 2 × 41 × 65521. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490888)

Multiplication

n×y
n×2 42981776
n×3 64472664
n×4 85963552
n×5 107454440

Division

n÷y
n÷2 10745444
n÷3 7163629.3333333
n÷3 5372722
n÷5 4298177.6

Exponentiation

ny
n2 461858267028544
n3 9.9257442885845E+21
n4 2.1331305882261E+29
n5 4.5842870560941E+36

Nth Root

y√n
2√n 4635.8265713894
3√n 278.02560018204
4√n 68.086904551385
5√n 29.271897259707

Divisors of 21490888

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 -21490887
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 21490888 can be divided by 16 positive divisors. The sum of these divisors (counting 21490888) is 1, the average is 0.0625.

Base conversion 21490888

Base System Value
2 Binary 1010001111110110011001000
3 Ternary 1111102211221211
4 Quaternary 1101332303020
5 Quinary 21000202023
6 Senary 2044342504
8 Octal 121766310
10 Decimal 21490888
12 Duodecimal 7244a34
16 Hexadecimal 147ecc8
20 Vigesimal 6e6748
36 Base36 csmh4

Cryptographic Hash Functions

md5 31e6a70456e219ebdac9efa77494a13b
sha1 6e1f0643e8ca564e40382fe0281be573585f44bd
sha256 587fbb9cc25042e82caffe114dbe54eddd4842d483396cec0b89a89d83bc51cc
sha512 5337d4d833f66c4f3785001e2e475b3506d19f6a0301a9382d8b0fe69c2d3a28f0eb7cb9661df5170c017e8e141088fce9ed5269491cb9b040910ba7929b383d
ripemd-160 0a216f6184775e91eed3dc73e6636f7849ea279d

21490888 as geometric shapes

Circle

Radius = n
Diameter 42981776
Circumference 135031231.71984
Area 1.4509705386966E+15

Sphere

Radius = n
Volume 4.1576860451237E+22
Surface area 5.8038821547863E+15
Circumference 135031231.71984

Square

Length = n
Perimeter 85963552
Area 461858267028544
Diagonal 30392705.277041

Cube

Length = n
Surface area 2771149602171264
Volume 9.9257442885845E+21
Space diagonal 37223309.915772

Equilateral Triangle

Length = n
Perimeter 64472664
Area 1.9999049609729E+14
Altitude 18611654.957886

Triangular Pyramid

Length = n
Surface area 1.9999049609729E+14
Volume 1.1697601824636E+21
Height 10130901.759014