21152907 (number)

21152907 is an odd 8-digits composite number following 21152906 and preceding 21152908. In scientific notation, it is written as 2.1152907 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 14101776 positive integers (up to 21152907) that are relatively prime to 21152907.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-two thousand nine hundred seven

Notation

Scientific notation 2.1152907 × 10^7
Engineering notation 2.1152907 × 10^6

Prime Factorization of 21152907

Prime Factorization 9 × 27 × 87049

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21152907
Product of the distinct prime numbers

The prime factorization of 21152907 is 9 × 27 × 87049. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21152907)

Multiplication

n×y
n×2 42305814
n×3 63458721
n×4 84611628
n×5 105764535

Division

n÷y
n÷2 10576453.5
n÷3 7050969
n÷3 5288226.75
n÷5 4230581.4

Exponentiation

ny
n2 447445474550649
n3 9.4647725107407E+21
n4 2.0020745269586E+29
n5 4.2349696275823E+36

Nth Root

y√n
2√n 4599.2289571188
3√n 276.56041612908
4√n 67.817615389505
5√n 29.179242411519

Divisors of 21152907

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 -21152906
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 21152907 can be divided by 8 positive divisors. The sum of these divisors (counting 21152907) is 1, the average is 0.125.

Base conversion 21152907

Base System Value
2 Binary 1010000101100010010001011
3 Ternary 1110210200100000
4 Quaternary 1100230102023
5 Quinary 20403343112
6 Senary 2033214043
8 Octal 120542213
10 Decimal 21152907
12 Duodecimal 7101323
16 Hexadecimal 142c48b
20 Vigesimal 6c4257
36 Base36 cldor

Cryptographic Hash Functions

md5 55e71fa862cd3d84bd6eb01781aa9c71
sha1 adef76f1020c85e4ea320010685d8b84a17634dc
sha256 e7c39bacb62d29f729a106d0535a90f758106a809c0e6a17e055ec824598a204
sha512 e2a73d2f973d6ebfc9f5485c92dc201da04ae4acdd4851a6f24c167d20c5698f5b06a15bf361da3838069e6e38604651505e40b59b07dacf33c03ac97e71eb46
ripemd-160 172b382e8785442ea64b77c44cc3447ce19f3df5

21152907 as geometric shapes

Circle

Radius = n
Diameter 42305814
Circumference 132907634.46654
Area 1.4056914157303E+15

Sphere

Radius = n
Volume 3.9645946383522E+22
Surface area 5.6227656629213E+15
Circumference 132907634.46654

Square

Length = n
Perimeter 84611628
Area 447445474550649
Diagonal 29914727.963017

Cube

Length = n
Surface area 2684672847303894
Volume 9.4647725107407E+21
Space diagonal 36637909.651779

Equilateral Triangle

Length = n
Perimeter 63458721
Area 1.9374957388462E+14
Altitude 18318954.82589

Triangular Pyramid

Length = n
Surface area 1.9374957388462E+14
Volume 1.1154341374555E+21
Height 9971575.9876723