21087975 (number)

21087975 is an odd 8-digits composite number following 21087974 and preceding 21087976. In scientific notation, it is written as 2.1087975 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 11204320 positive integers (up to 21087975) that are relatively prime to 21087975.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1087975 × 10^7
Engineering notation 2.1087975 × 10^6

Prime Factorization of 21087975

Prime Factorization 3 × 5 × 5 × 587 × 479

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4217595
Product of the distinct prime numbers

The prime factorization of 21087975 is 3 × 5 × 5 × 587 × 479. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 100, 34, 160, 153, 5120, 1716, 81107, 44612, 516908, 669781, 1549012, 5736620, 4995919, 24435348, 958178950, 839986327, 1431581610, 7555222183

Basic calculations (n = 21087975)

Multiplication

n×y
n×2 42175950
n×3 63263925
n×4 84351900
n×5 105439875

Division

n÷y
n÷2 10543987.5
n÷3 7029325
n÷3 5271993.75
n÷5 4217595

Exponentiation

ny
n2 444702689600625
n3 9.3778792007307E+21
n4 1.9776048213803E+29
n5 4.1703681033147E+36

Nth Root

y√n
2√n 4592.1645223141
3√n 276.27714494764
4√n 67.765511304159
5√n 29.161306368528

Divisors of 21087975

1, 3, 5, 15, 25, 75, 479, 587, 1437, 1761, 2395, 2935, 7185, 8805, 11975, 14675, 35925, 44025, 281173, 843519, 1405865, 4217595, 7029325, 21087975

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 -21087974
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 21087975 can be divided by 24 positive divisors. The sum of these divisors (counting 21087975) is 1, the average is 0.041666666666667.

Base conversion 21087975

Base System Value
2 Binary 1010000011100011011100111
3 Ternary 1110200101021010
4 Quaternary 1100130123213
5 Quinary 20344303400
6 Senary 2031553303
8 Octal 120343347
10 Decimal 21087975
12 Duodecimal 708b833
16 Hexadecimal 141c6e7
20 Vigesimal 6bfjif
36 Base36 cjzl3

Cryptographic Hash Functions

md5 093967e8822177f5db4abbc4487ec258
sha1 35b3bd0d71b89105c6115638017c25ac40087756
sha256 9180e00b2b510572cc3a5ff16f0cd37e8a67ed18716640b7de668197fe963514
sha512 0aec56c8982aed49b78283eadbc5624e77c6d6289a642ffde791100e4f0e8a0a2db6727b56eab50a89d4d9fceaa86490f3c2c69e8658490d8744a97b831d60d3
ripemd-160 0b83f98eba5b052d8e39722d1a2f78853d211bec

21087975 as geometric shapes

Circle

Radius = n
Diameter 42175950
Circumference 132499654.67817
Area 1.3970747026809E+15

Sphere

Radius = n
Volume 3.9281968537691E+22
Surface area 5.5882988107238E+15
Circumference 132499654.67817

Square

Length = n
Perimeter 84351900
Area 444702689600625
Diagonal 29822900.247985

Cube

Length = n
Surface area 2668216137603750
Volume 9.3778792007307E+21
Space diagonal 36525444.128742

Equilateral Triangle

Length = n
Perimeter 63263925
Area 1.925619131627E+14
Altitude 18262722.064371

Triangular Pyramid

Length = n
Surface area 1.925619131627E+14
Volume 1.1051936626642E+21
Height 9940966.7493283