21557071 (number)

21557071 is an odd 8-digits composite number following 21557070 and preceding 21557072. In scientific notation, it is written as 2.1557071 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 20240640 positive integers (up to 21557071) that are relatively prime to 21557071.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1557071 × 10^7
Engineering notation 2.1557071 × 10^6

Prime Factorization of 21557071

Prime Factorization 17 × 503 × 2521

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21557071
Product of the distinct prime numbers

The prime factorization of 21557071 is 17 × 503 × 2521. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21557071)

Multiplication

n×y
n×2 43114142
n×3 64671213
n×4 86228284
n×5 107785355

Division

n÷y
n÷2 10778535.5
n÷3 7185690.3333333
n÷3 5389267.75
n÷5 4311414.2

Exponentiation

ny
n2 464707310099041
n3 1.0017728478024E+22
n4 2.1595288405949E+29
n5 4.6553116543251E+36

Nth Root

y√n
2√n 4642.9592933818
3√n 278.31070879562
4√n 68.139263962724
5√n 29.289904146556

Divisors of 21557071

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 -21557070
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 21557071 can be divided by 8 positive divisors. The sum of these divisors (counting 21557071) is 1, the average is 0.125.

Base conversion 21557071

Base System Value
2 Binary 1010010001110111101001111
3 Ternary 1111120012202001
4 Quaternary 1102032331033
5 Quinary 21004311241
6 Senary 2050013131
8 Octal 122167517
10 Decimal 21557071
12 Duodecimal 72771a7
16 Hexadecimal 148ef4f
20 Vigesimal 6eecdb
36 Base36 cu1jj

Cryptographic Hash Functions

md5 ec10891f9d1c79ce88d272f606fdfd45
sha1 4d0b2254c7fcb5d915b95c4b7c4d20c66025e6f0
sha256 8a172de100ceba6f5842c4fc723098ddd1fae5ac6e559086966426b6822805ba
sha512 0b1c361395c9cb6656f9c87ea4f8512cc7fb9354e6a7d608ac0bc9bc9af96fe36abd1236fe69066e3457965638620e66c703b74c7e2332652edcc969d2e5cbde
ripemd-160 8b17b31b4c8ae7eea86d3e77a89ec85b951bc3d9

21557071 as geometric shapes

Circle

Radius = n
Diameter 43114142
Circumference 135447071.77303
Area 1.4599210714766E+15

Sphere

Radius = n
Volume 4.1962162922957E+22
Surface area 5.8396842859065E+15
Circumference 135447071.77303

Square

Length = n
Perimeter 86228284
Area 464707310099041
Diagonal 30486302.17324

Cube

Length = n
Surface area 2788243860594246
Volume 1.0017728478024E+22
Space diagonal 37337942.23437

Equilateral Triangle

Length = n
Perimeter 64671213
Area 2.0122416793505E+14
Altitude 18668971.117185

Triangular Pyramid

Length = n
Surface area 2.0122416793505E+14
Volume 1.1806006231494E+21
Height 10162100.724413