21553917 (number)

21553917 is an odd 8-digits composite number following 21553916 and preceding 21553918. In scientific notation, it is written as 2.1553917 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 11196720 positive integers (up to 21553917) that are relatively prime to 21553917.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred fifty-three thousand nine hundred seventeen

Notation

Scientific notation 2.1553917 × 10^7
Engineering notation 2.1553917 × 10^6

Prime Factorization of 21553917

Prime Factorization 231 × 93307

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21553917
Product of the distinct prime numbers

The prime factorization of 21553917 is 231 × 93307. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21553917)

Multiplication

n×y
n×2 43107834
n×3 64661751
n×4 86215668
n×5 107769585

Division

n÷y
n÷2 10776958.5
n÷3 7184639
n÷3 5388479.25
n÷5 4310783.4

Exponentiation

ny
n2 464571338042889
n3 1.0013332060755E+22
n4 2.1582652813096E+29
n5 4.6519070737329E+36

Nth Root

y√n
2√n 4642.6196268917
3√n 278.29713498514
4√n 68.136771473938
5√n 29.289047019309

Divisors of 21553917

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21553916
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21553917 can be divided by 4 positive divisors. The sum of these divisors (counting 21553917) is 1, the average is 0.25.

Base conversion 21553917

Base System Value
2 Binary 1010010001110001011111101
3 Ternary 1111120001102020
4 Quaternary 1102032023331
5 Quinary 21004211132
6 Senary 2045550353
8 Octal 122161375
10 Decimal 21553917
12 Duodecimal 72753b9
16 Hexadecimal 148e2fd
20 Vigesimal 6ee4fh
36 Base36 ctz3x

Cryptographic Hash Functions

md5 72d51a3ffec24299fd24548389b0ca77
sha1 d425dca16724a18fce22c50c5418b58d3a2a2dcc
sha256 6ba8012219bceb147939145dd57b521077ae6bbba3e9b0ad02dc4b81e3c4ad5c
sha512 01621a63d35ffdbec78c60a1c3e2dfe1822e08618ba747a6b11bab73d2a870caef699012da26350cf5aa2f495c778ec7267f2563429d9b4a976f936a551fa207
ripemd-160 d81735f9904e4eeb2e7f51ae0cf974b7cf7e423e

21553917 as geometric shapes

Circle

Radius = n
Diameter 43107834
Circumference 135427254.60657
Area 1.4594939026639E+15

Sphere

Radius = n
Volume 4.1943747253366E+22
Surface area 5.8379756106557E+15
Circumference 135427254.60657

Square

Length = n
Perimeter 86215668
Area 464571338042889
Diagonal 30481841.743664

Cube

Length = n
Surface area 2787428028257334
Volume 1.0013332060755E+22
Space diagonal 37332479.346123

Equilateral Triangle

Length = n
Perimeter 64661751
Area 2.0116529030763E+14
Altitude 18666239.673061

Triangular Pyramid

Length = n
Surface area 2.0116529030763E+14
Volume 1.1800825004055E+21
Height 10160613.914555