21551568 (number)

21551568 is an even 8-digits composite number following 21551567 and preceding 21551569. In scientific notation, it is written as 2.1551568 × 10^7. The sum of its digits is 33. It has a total of 8 prime factors and 80 positive divisors. There are 6830080 positive integers (up to 21551568) that are relatively prime to 21551568.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1551568 × 10^7
Engineering notation 2.1551568 × 10^6

Prime Factorization of 21551568

Prime Factorization 2 × 2 × 2 × 2 × 3 × 47 × 233 × 41

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2693946
Product of the distinct prime numbers

The prime factorization of 21551568 is 2 × 2 × 2 × 2 × 3 × 47 × 233 × 41. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21551568)

Multiplication

n×y
n×2 43103136
n×3 64654704
n×4 86206272
n×5 107757840

Division

n÷y
n÷2 10775784
n÷3 7183856
n÷3 5387892
n÷5 4310313.6

Exponentiation

ny
n2 464470083258624
n3 1.0010058583314E+22
n4 2.1573245824227E+29
n5 4.6493727436155E+36

Nth Root

y√n
2√n 4642.366637826
3√n 278.28702477764
4√n 68.13491496895
5√n 29.288408592699

Divisors of 21551568

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21551567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21551568 can be divided by 80 positive divisors. The sum of these divisors (counting 21551568) is 1, the average is 0.0125.

Base conversion 21551568

Base System Value
2 Binary 1010010001101100111010000
3 Ternary 1111112221012020
4 Quaternary 1102031213100
5 Quinary 21004122233
6 Senary 2045531440
8 Octal 122154720
10 Decimal 21551568
12 Duodecimal 7273b80
16 Hexadecimal 148d9d0
20 Vigesimal 6edii8
36 Base36 ctxao

Cryptographic Hash Functions

md5 ef48706208ba88d7c651fa4b2e120cfd
sha1 7b30d1ec586cce910303ed3b6f595397f4df157c
sha256 b3259fab69b97732258152130767952936f1a99371bf1439643f1c3386a54e33
sha512 a10b90248269fe3cf1ec85f91d7d7c570ac3a6d4068dc75d6050132447aacb7c36e73d974d60b9ea8535983d5c4ece5a0b218be1761f6991fdf66f3428bb44af
ripemd-160 67573b4ec59dd131b0ad72e1e3951019f90e27b7

21551568 as geometric shapes

Circle

Radius = n
Diameter 43103136
Circumference 135412495.40428
Area 1.4591758013775E+15

Sphere

Radius = n
Volume 4.1930035343123E+22
Surface area 5.8367032055101E+15
Circumference 135412495.40428

Square

Length = n
Perimeter 86206272
Area 464470083258624
Diagonal 30478519.756006

Cube

Length = n
Surface area 2786820499551744
Volume 1.0010058583314E+22
Space diagonal 37328410.758776

Equilateral Triangle

Length = n
Perimeter 64654704
Area 2.0112144569992E+14
Altitude 18664205.379388

Triangular Pyramid

Length = n
Surface area 2.0112144569992E+14
Volume 1.1796967173893E+21
Height 10159506.585335