21545900 (number)

21545900 is an even 8-digits composite number following 21545899 and preceding 21545901. In scientific notation, it is written as 2.1545900 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 8618320 positive integers (up to 21545900) that are relatively prime to 21545900.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-five thousand nine hundred

Notation

Scientific notation 2.1545900 × 10^7
Engineering notation 2.1545900 × 10^6

Prime Factorization of 21545900

Prime Factorization 2 × 2 × 25 × 215459

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10772950
Product of the distinct prime numbers

The prime factorization of 21545900 is 2 × 2 × 25 × 215459. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21545900)

Multiplication

n×y
n×2 43091800
n×3 64637700
n×4 86183600
n×5 107729500

Division

n÷y
n÷2 10772950
n÷3 7181966.6666667
n÷3 5386475
n÷5 4309180

Exponentiation

ny
n2 464225806810000
n3 1.0002162810948E+22
n4 2.155055997084E+29
n5 4.6432621007571E+36

Nth Root

y√n
2√n 4641.7561331892
3√n 278.26262641129
4√n 68.130434705712
5√n 29.286867877273

Divisors of 21545900

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21545899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21545900 can be divided by 12 positive divisors. The sum of these divisors (counting 21545900) is 1, the average is 0.083333333333333.

Base conversion 21545900

Base System Value
2 Binary 1010010001100001110101100
3 Ternary 1111112122102022
4 Quaternary 1102030032230
5 Quinary 21003432100
6 Senary 2045445312
8 Octal 122141654
10 Decimal 21545900
12 Duodecimal 7270838
16 Hexadecimal 148c3ac
20 Vigesimal 6ed4f0
36 Base36 ctsx8

Cryptographic Hash Functions

md5 ac28e11f90b7b6ab5425f15870327584
sha1 980ec8f98a3c647c1a3cc2534df6ab5e267a6377
sha256 781492966ab9bb16221c38a10e5ce382ebbfa8954f6add2d4dcbb6e0940aa8c6
sha512 df68466e1acd7b2a8bddfd71865666709af2dfa3b0bbea6efe750a155407d5d6dfbbdcebc28f5f1563cda8f6c8d31646a97d8aa7c83b28eb6c1d877aacb815bb
ripemd-160 d97a40b5afc464525623e63a2deaf139624f5ca8

21545900 as geometric shapes

Circle

Radius = n
Diameter 43091800
Circumference 135376882.30996
Area 1.4584083842811E+15

Sphere

Radius = n
Volume 4.1896961609176E+22
Surface area 5.8336335371244E+15
Circumference 135376882.30996

Square

Length = n
Perimeter 86183600
Area 464225806810000
Diagonal 30470503.993534

Cube

Length = n
Surface area 2785354840860000
Volume 1.0002162810948E+22
Space diagonal 37318593.494798

Equilateral Triangle

Length = n
Perimeter 64637700
Area 2.0101567089489E+14
Altitude 18659296.747399

Triangular Pyramid

Length = n
Surface area 2.0101567089489E+14
Volume 1.1787661916922E+21
Height 10156834.664511