21152561 (number)

21152561 is an odd 8-digits prime number following 21152560 and preceding 21152562. In scientific notation, it is written as 2.1152561 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 21152560 positive integers (up to 21152561) that are relatively prime to 21152561.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred fifty-two thousand five hundred sixty-one

Notation

Scientific notation 2.1152561 × 10^7
Engineering notation 2.1152561 × 10^6

Prime Factorization of 21152561

Prime Factorization 21152561

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21152561
Product of the distinct prime numbers

The prime factorization of 21152561 is 21152561. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21152561)

Multiplication

n×y
n×2 42305122
n×3 63457683
n×4 84610244
n×5 105762805

Division

n÷y
n÷2 10576280.5
n÷3 7050853.6666667
n÷3 5288140.25
n÷5 4230512.2

Exponentiation

ny
n2 447430836858721
n3 9.4643080699351E+21
n4 2.001943537721E+29
n5 4.2346232800198E+36

Nth Root

y√n
2√n 4599.1913419644
3√n 276.55890821301
4√n 67.817338063097
5√n 29.179146953397

Divisors of 21152561

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21152562
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10576281
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4599.1914506791
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999054488
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21152561 can be divided by 2 positive divisors. The sum of these divisors (counting 21152561) is 21152562, the average is 10576281.

Base conversion 21152561

Base System Value
2 Binary 1010000101100001100110001
3 Ternary 1110210122212012
4 Quaternary 1100230030301
5 Quinary 20403340221
6 Senary 2033212305
8 Octal 120541461
10 Decimal 21152561
12 Duodecimal 7101095
16 Hexadecimal 142c331
20 Vigesimal 6c4181
36 Base36 cldf5

Cryptographic Hash Functions

md5 6cf53a888de8b5a7d00ae03d7a2cf68d
sha1 6d7a7fb17e0592d6f8d8920ee281abd78239ddbd
sha256 a6c1aa94e5343b81f54a7c1a475d5c6d0fdbb443169d908943a04cac24e554dd
sha512 d8dfcaf971edcf0d2505d2e6debcc7f76d97f1e79ab0611dcc67aa5e9b06e2e9b69a8a3d83ab01f1205eb96c3adebd898dc9782400ac75e9b605ec7e8670683e
ripemd-160 85abc7e6143bf1ec1d80376352e78bf25631fe72

21152561 as geometric shapes

Circle

Radius = n
Diameter 42305122
Circumference 132905460.48442
Area 1.4056454300649E+15

Sphere

Radius = n
Volume 3.9644000938425E+22
Surface area 5.6225817202596E+15
Circumference 132905460.48442

Square

Length = n
Perimeter 84610244
Area 447430836858721
Diagonal 29914238.645124

Cube

Length = n
Surface area 2684585021152326
Volume 9.4643080699351E+21
Space diagonal 36637310.3622

Equilateral Triangle

Length = n
Perimeter 63457683
Area 1.9374323557809E+14
Altitude 18318655.1811

Triangular Pyramid

Length = n
Surface area 1.9374323557809E+14
Volume 1.1153794025816E+21
Height 9971412.8817081