21081772 (number)

21081772 is an even 8-digits composite number following 21081771 and preceding 21081773. In scientific notation, it is written as 2.1081772 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 10540884 positive integers (up to 21081772) that are relatively prime to 21081772.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-one thousand seven hundred seventy-two

Notation

Scientific notation 2.1081772 × 10^7
Engineering notation 2.1081772 × 10^6

Prime Factorization of 21081772

Prime Factorization 2 × 2 × 5270443

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10540886
Product of the distinct prime numbers

The prime factorization of 21081772 is 2 × 2 × 5270443. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21081772)

Multiplication

n×y
n×2 42163544
n×3 63245316
n×4 84327088
n×5 105408860

Division

n÷y
n÷2 10540886
n÷3 7027257.3333333
n÷3 5270443
n÷5 4216354.4

Exponentiation

ny
n2 444441110659984
n3 9.3696061623606E+21
n4 1.9752790084468E+29
n5 4.1642381692462E+36

Nth Root

y√n
2√n 4591.4890830753
3√n 276.2500534387
4√n 67.760527470463
5√n 29.159590614689

Divisors of 21081772

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21081771
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21081772 can be divided by 6 positive divisors. The sum of these divisors (counting 21081772) is 1, the average is 0.16666666666667.

Base conversion 21081772

Base System Value
2 Binary 1010000011010111010101100
3 Ternary 1110200001202101
4 Quaternary 1100122322230
5 Quinary 20344104042
6 Senary 2031504444
8 Octal 120327254
10 Decimal 21081772
12 Duodecimal 7088124
16 Hexadecimal 141aeac
20 Vigesimal 6bf48c
36 Base36 cjuss

Cryptographic Hash Functions

md5 2b47142e8ec0751fd3c9c71c4a020c50
sha1 2d0221f9d40bf1543111edb3f3dbe9cde2086d0d
sha256 e65005829b574295446bb3ad65b6ba330d56ae03c9949d33ee9e47cad834a894
sha512 ace1f2fc03edfe74eb8aae900bf9f29eb48c39cc4692e39efec68e4a41fddb285dd1b25be4952843a085e7d7c115ee95cd5afcdfe003b3aa3d97184afb4ceaae
ripemd-160 5bc5614513365bf6ecc822a02878776797b7e000

21081772 as geometric shapes

Circle

Radius = n
Diameter 42163544
Circumference 132460680.07971
Area 1.3962529282027E+15

Sphere

Radius = n
Volume 3.9247314515602E+22
Surface area 5.5850117128108E+15
Circumference 132460680.07971

Square

Length = n
Perimeter 84327088
Area 444441110659984
Diagonal 29814127.881257

Cube

Length = n
Surface area 2666646663959904
Volume 9.3696061623606E+21
Space diagonal 36514700.217583

Equilateral Triangle

Length = n
Perimeter 63245316
Area 1.9244864615886E+14
Altitude 18257350.108791

Triangular Pyramid

Length = n
Surface area 1.9244864615886E+14
Volume 1.1042186757421E+21
Height 9938042.6270858