21006975 (number)

21006975 is an odd 8-digits composite number following 21006974 and preceding 21006976. In scientific notation, it is written as 2.1006975 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 10184800 positive integers (up to 21006975) that are relatively prime to 21006975.

Interesting facts

Basic properties

Name

Name twenty-one million six thousand nine hundred seventy-five

Notation

Scientific notation 2.1006975 × 10^7
Engineering notation 2.1006975 × 10^6

Prime Factorization of 21006975

Prime Factorization 15 × 55 × 25463

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21006975
Product of the distinct prime numbers

The prime factorization of 21006975 is 15 × 55 × 25463. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21006975)

Multiplication

n×y
n×2 42013950
n×3 63020925
n×4 84027900
n×5 105034875

Division

n÷y
n÷2 10503487.5
n÷3 7002325
n÷3 5251743.75
n÷5 4201395

Exponentiation

ny
n2 441292998650625
n3 9.2702309903287E+21
n4 1.9473951065806E+29
n5 4.0908880319061E+36

Nth Root

y√n
2√n 4583.3366666655
3√n 275.9229594889
4√n 67.700344656918
5√n 29.138869853605

Divisors of 21006975

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21006974
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21006975 can be divided by 8 positive divisors. The sum of these divisors (counting 21006975) is 1, the average is 0.125.

Base conversion 21006975

Base System Value
2 Binary 1010000001000101001111111
3 Ternary 1110112021011010
4 Quaternary 1100020221333
5 Quinary 20334210400
6 Senary 2030130303
8 Octal 120105177
10 Decimal 21006975
12 Duodecimal 7050993
16 Hexadecimal 1408a7f
20 Vigesimal 6b5h8f
36 Base36 ci933

Cryptographic Hash Functions

md5 eb71eec0e846a31effdcb77157a69c76
sha1 9b9ec708f5e0c6058e4b7dda460c13f1bad338c7
sha256 f4ef4e939a2c2d1fa7d2abc8fa726535dc3711806f6ccf8cad5dc898d87c6340
sha512 0e1fd661fa53c80dc32d8d486a0c3b59da3ce2dccbc36bded2c366323705ab7dd1c7f6a56fb8b847254002e68271621250146477de899f58c0fedc3ed1fd148f
ripemd-160 979a8ecbdfc60b5c521fd48aa71fc5f6eeb5c6be

21006975 as geometric shapes

Circle

Radius = n
Diameter 42013950
Circumference 131990716.66829
Area 1.3863628426414E+15

Sphere

Radius = n
Volume 3.8831052768396E+22
Surface area 5.5454513705657E+15
Circumference 131990716.66829

Square

Length = n
Perimeter 84027900
Area 441292998650625
Diagonal 29708348.949433

Cube

Length = n
Surface area 2647757991903750
Volume 9.2702309903287E+21
Space diagonal 36385148.013329

Equilateral Triangle

Length = n
Perimeter 63020925
Area 1.9108547367183E+14
Altitude 18192574.006665

Triangular Pyramid

Length = n
Surface area 1.9108547367183E+14
Volume 1.0925071994045E+21
Height 9902782.9831442