21051568 (number)

21051568 is an even 8-digits composite number following 21051567 and preceding 21051569. In scientific notation, it is written as 2.1051568 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 10 positive divisors. There are 10525776 positive integers (up to 21051568) that are relatively prime to 21051568.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1051568 × 10^7
Engineering notation 2.1051568 × 10^6

Prime Factorization of 21051568

Prime Factorization 2 × 2 × 2 × 2 × 1315723

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2631446
Product of the distinct prime numbers

The prime factorization of 21051568 is 2 × 2 × 2 × 2 × 1315723. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 5, 24, 74, 228, 775, 8385, 6314, 86751, 680, 10941, 55357, 4413154, 2220779, 11049912, 49229699, 947156678, 45509035, 9059295627, 102863901

Basic calculations (n = 21051568)

Multiplication

n×y
n×2 42103136
n×3 63154704
n×4 84206272
n×5 105257840

Division

n÷y
n÷2 10525784
n÷3 7017189.3333333
n÷3 5262892
n÷5 4210313.6

Exponentiation

ny
n2 443168515258624
n3 9.329392134426E+21
n4 1.9639833291653E+29
n5 4.134492860479E+36

Nth Root

y√n
2√n 4588.1987751186
3√n 276.11806193192
4√n 67.736244176354
5√n 29.151230392939

Divisors of 21051568

1, 2, 4, 8, 16, 1315723, 2631446, 5262892, 10525784, 21051568

10 divisors

τ Total Divisors 10
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.1
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 10
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051568 can be divided by 10 positive divisors. The sum of these divisors (counting 21051568) is 1, the average is 0.1.

Base conversion 21051568

Base System Value
2 Binary 1010000010011100010110000
3 Ternary 1110121112022201
4 Quaternary 1100103202300
5 Quinary 20342122233
6 Senary 2031112544
8 Octal 120234260
10 Decimal 21051568
12 Duodecimal 7072754
16 Hexadecimal 14138b0
20 Vigesimal 6bb8i8
36 Base36 cj7hs

Cryptographic Hash Functions

md5 fa847a8054afca5a5dd83034c1467981
sha1 27d4e8b24c7b072e93cd2d9a359596c21eb7c213
sha256 5b7e0ab08eeb7ca18aac42db092d5b20be88f886e647065ce499838048098cf4
sha512 5316c269805a86648ae47f18446cec66057f7a2a85630e85cb426e9e484b466561b30b9ab3f7f8ad1b5260d16b0c97eece097ad387cb87af40169c67c067c7c0
ripemd-160 d608bfc451cba048189b9f60d012ab338db75196

21051568 as geometric shapes

Circle

Radius = n
Diameter 42103136
Circumference 132270902.75069
Area 1.3922549518388E+15

Sphere

Radius = n
Volume 3.9078866389295E+22
Surface area 5.5690198073552E+15
Circumference 132270902.75069

Square

Length = n
Perimeter 84206272
Area 443168515258624
Diagonal 29771412.974819

Cube

Length = n
Surface area 2659011091551744
Volume 9.329392134426E+21
Space diagonal 36462385.354991

Equilateral Triangle

Length = n
Perimeter 63154704
Area 1.918975961857E+14
Altitude 18231192.677496

Triangular Pyramid

Length = n
Surface area 1.918975961857E+14
Volume 1.0994794071002E+21
Height 9923804.3249398