21145057 (number)

21145057 is an odd 8-digits composite number following 21145056 and preceding 21145058. In scientific notation, it is written as 2.1145057 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20935600 positive integers (up to 21145057) that are relatively prime to 21145057.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred forty-five thousand fifty-seven

Notation

Scientific notation 2.1145057 × 10^7
Engineering notation 2.1145057 × 10^6

Prime Factorization of 21145057

Prime Factorization 101 × 209357

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21145057
Product of the distinct prime numbers

The prime factorization of 21145057 is 101 × 209357. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21145057)

Multiplication

n×y
n×2 42290114
n×3 63435171
n×4 84580228
n×5 105725285

Division

n÷y
n÷2 10572528.5
n÷3 7048352.3333333
n÷3 5286264.25
n÷5 4229011.4

Exponentiation

ny
n2 447113435533249
n3 9.4542390798164E+21
n4 1.9991042423434E+29
n5 4.2271173153294E+36

Nth Root

y√n
2√n 4598.3754740125
3√n 276.52620069193
4√n 67.811322609226
5√n 29.177076363492

Divisors of 21145057

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 -21145056
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 21145057 can be divided by 4 positive divisors. The sum of these divisors (counting 21145057) is 1, the average is 0.25.

Base conversion 21145057

Base System Value
2 Binary 1010000101010010111100001
3 Ternary 1110210021120021
4 Quaternary 1100222113201
5 Quinary 20403120212
6 Senary 2033113441
8 Octal 120522741
10 Decimal 21145057
12 Duodecimal 70b8881
16 Hexadecimal 142a5e1
20 Vigesimal 6c32ch
36 Base36 cl7mp

Cryptographic Hash Functions

md5 701e8ed47312767a03781adf98bd3534
sha1 64607f0fd328e767f2a01856f1818706530c9947
sha256 a7fb7a77a77c9765749d8bcb0ddbde2836e9cbdcd842a0f52256c840d64d5dcb
sha512 9e235725c060039eabde0f1c57d2a8f34f38421ddb208e9fd53bba1baf030be8a8b1930f3bbbe983801c6710b06dc5845aa91e33d1d9a95b7bab5171e6f11b21
ripemd-160 ff5a540522441ff647b27437960cae40715088d3

21145057 as geometric shapes

Circle

Radius = n
Diameter 42290114
Circumference 132858311.46187
Area 1.4046482843925E+15

Sphere

Radius = n
Volume 3.9601824051244E+22
Surface area 5.6185931375702E+15
Circumference 132858311.46187

Square

Length = n
Perimeter 84580228
Area 447113435533249
Diagonal 29903626.386552

Cube

Length = n
Surface area 2682680613199494
Volume 9.4542390798164E+21
Space diagonal 36624313.05294

Equilateral Triangle

Length = n
Perimeter 63435171
Area 1.9360579677256E+14
Altitude 18312156.52647

Triangular Pyramid

Length = n
Surface area 1.9360579677256E+14
Volume 1.1141927607162E+21
Height 9967875.4621841