21072565 (number)

21072565 is an odd 8-digits composite number following 21072564 and preceding 21072566. In scientific notation, it is written as 2.1072565 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 16446720 positive integers (up to 21072565) that are relatively prime to 21072565.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1072565 × 10^7
Engineering notation 2.1072565 × 10^6

Prime Factorization of 21072565

Prime Factorization 5 × 41 × 102793

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21072565
Product of the distinct prime numbers

The prime factorization of 21072565 is 5 × 41 × 102793. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072565)

Multiplication

n×y
n×2 42145130
n×3 63217695
n×4 84290260
n×5 105362825

Division

n÷y
n÷2 10536282.5
n÷3 7024188.3333333
n÷3 5268141.25
n÷5 4214513

Exponentiation

ny
n2 444052995679225
n3 9.3573356148952E+21
n4 1.9718306297169E+29
n5 4.1551529113701E+36

Nth Root

y√n
2√n 4590.486357675
3√n 276.20983220564
4√n 67.753128028711
5√n 29.157043207736

Divisors of 21072565

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21072564
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072565 can be divided by 8 positive divisors. The sum of these divisors (counting 21072565) is 1, the average is 0.125.

Base conversion 21072565

Base System Value
2 Binary 1010000011000101010110101
3 Ternary 1110122121010101
4 Quaternary 1100120222311
5 Quinary 20343310230
6 Senary 2031354101
8 Octal 120305265
10 Decimal 21072565
12 Duodecimal 7082931
16 Hexadecimal 1418ab5
20 Vigesimal 6be185
36 Base36 cjnp1

Cryptographic Hash Functions

md5 734027889bf0b8b6fc1624caf2dfca2b
sha1 d54aea62077dceca14a691f15bb509285221ddf9
sha256 1e50d0cb010cdb9413277176427879c3592a19e62f0bf1c9f2d43da034eef2f1
sha512 91ed02ac5456fbe958288ef0ae16cb0f23390c235e31aaabd24177a16f86d1e68c142fcb15a24e1129f4d1b19c0ce4785edf2ecb58f0af37830caae025685ca2
ripemd-160 837f93fd539c3b5af4279709175708fc59f244fa

21072565 as geometric shapes

Circle

Radius = n
Diameter 42145130
Circumference 132402830.79259
Area 1.3950336290304E+15

Sphere

Radius = n
Volume 3.9195915766572E+22
Surface area 5.5801345161216E+15
Circumference 132402830.79259

Square

Length = n
Perimeter 84290260
Area 444052995679225
Diagonal 29801107.216989

Cube

Length = n
Surface area 2664317974075350
Volume 9.3573356148952E+21
Space diagonal 36498753.225798

Equilateral Triangle

Length = n
Perimeter 63217695
Area 1.922805874424E+14
Altitude 18249376.612899

Triangular Pyramid

Length = n
Surface area 1.922805874424E+14
Volume 1.1027725778551E+21
Height 9933702.4056629