21087875 (number)

21087875 is an odd 8-digits composite number following 21087874 and preceding 21087876. In scientific notation, it is written as 2.1087875 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 16632000 positive integers (up to 21087875) that are relatively prime to 21087875.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand eight hundred seventy-five

Notation

Scientific notation 2.1087875 × 10^7
Engineering notation 2.1087875 × 10^6

Prime Factorization of 21087875

Prime Factorization 25 × 5 × 73 × 2311

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21087875
Product of the distinct prime numbers

The prime factorization of 21087875 is 25 × 5 × 73 × 2311. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 47, 2, 268, 23, 1420, 6753, 85298, 9889, 78017, 285740, 5566328, 6001814, 17519442, 27300253, 697735215, 20488561, 5638778033, 1895650777

Basic calculations (n = 21087875)

Multiplication

n×y
n×2 42175750
n×3 63263625
n×4 84351500
n×5 105439375

Division

n÷y
n÷2 10543937.5
n÷3 7029291.6666667
n÷3 5271968.75
n÷5 4217575

Exponentiation

ny
n2 444698472015625
n3 9.3777457905565E+21
n4 1.9775673101303E+29
n5 4.1702692240114E+36

Nth Root

y√n
2√n 4592.1536341895
3√n 276.27670824128
4√n 67.765430967341
5√n 29.161278711665

Divisors of 21087875

1, 5, 25, 73, 125, 365, 1825, 2311, 9125, 11555, 57775, 168703, 288875, 843515, 4217575, 21087875

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 -21087874
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 21087875 can be divided by 16 positive divisors. The sum of these divisors (counting 21087875) is 1, the average is 0.0625.

Base conversion 21087875

Base System Value
2 Binary 1010000011100011010000011
3 Ternary 1110200101010102
4 Quaternary 1100130122003
5 Quinary 20344303000
6 Senary 2031553015
8 Octal 120343203
10 Decimal 21087875
12 Duodecimal 708b76b
16 Hexadecimal 141c683
20 Vigesimal 6bfjdf
36 Base36 cjzib

Cryptographic Hash Functions

md5 4a3e7b5eb688de7046a83f1442485f00
sha1 415a814717a4d7ccec97c04dd5044c679fde66fb
sha256 8953bb85320499d19485dfe152245526af966a27cbc23074100eeb6b220d3ddc
sha512 e904df561c2255d76a7d325baf21c2d051168d1762324bb27535477583b282010d25e97640a6627055d37addccea4fe0187889e5750eea9242f697284411f82b
ripemd-160 e2fa97ae7c67253934fcdc273324a65b9b12d63f

21087875 as geometric shapes

Circle

Radius = n
Diameter 42175750
Circumference 132499026.35964
Area 1.3970614527469E+15

Sphere

Radius = n
Volume 3.928140971046E+22
Surface area 5.5882458109876E+15
Circumference 132499026.35964

Square

Length = n
Perimeter 84351500
Area 444698472015625
Diagonal 29822758.826629

Cube

Length = n
Surface area 2668190832093750
Volume 9.3777457905565E+21
Space diagonal 36525270.923662

Equilateral Triangle

Length = n
Perimeter 63263625
Area 1.9256008689483E+14
Altitude 18262635.461831

Triangular Pyramid

Length = n
Surface area 1.9256008689483E+14
Volume 1.1051779401244E+21
Height 9940919.6088762