21271656 (number)

21271656 is an even 8-digits composite number following 21271655 and preceding 21271657. In scientific notation, it is written as 2.1271656 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 64 positive divisors. There are 5960448 positive integers (up to 21271656) that are relatively prime to 21271656.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred seventy-one thousand six hundred fifty-six

Notation

Scientific notation 2.1271656 × 10^7
Engineering notation 2.1271656 × 10^6

Prime Factorization of 21271656

Prime Factorization 2 × 2 × 2 × 7 × 53 × 3 × 2389

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 5317914
Product of the distinct prime numbers

The prime factorization of 21271656 is 2 × 2 × 2 × 7 × 53 × 3 × 2389. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21271656)

Multiplication

n×y
n×2 42543312
n×3 63814968
n×4 85086624
n×5 106358280

Division

n÷y
n÷2 10635828
n÷3 7090552
n÷3 5317914
n÷5 4254331.2

Exponentiation

ny
n2 452483348982336
n3 9.6250701452802E+21
n4 2.0474118110627E+29
n5 4.3551839735263E+36

Nth Root

y√n
2√n 4612.1205534981
3√n 277.07697253129
4√n 67.912594954825
5√n 29.211930601087

Divisors of 21271656

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21271655
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21271656 can be divided by 64 positive divisors. The sum of these divisors (counting 21271656) is 1, the average is 0.015625.

Base conversion 21271656

Base System Value
2 Binary 1010001001001010001101000
3 Ternary 1111000201020010
4 Quaternary 1101021101220
5 Quinary 20421143111
6 Senary 2035531520
8 Octal 121112150
10 Decimal 21271656
12 Duodecimal 7159ba0
16 Hexadecimal 1449468
20 Vigesimal 6cij2g
36 Base36 cnxbc

Cryptographic Hash Functions

md5 3623e166285fb36bcfe36af30a40a2cc
sha1 cd950c13df4004c6120a67e05b31718e5288a907
sha256 5bddecaa70e54f78116ed0ebfbfea6e8ce8a0f7498a94221a80843483d037697
sha512 418f5a995a96a20003ebd6c0d9e2b42bae6f1b77b5deceeb40f10e5145486e5afa99f23d7453eeaab98142f3c92f6e17ad7faaf2c343751d2f1e5ea9ccb77dfb
ripemd-160 f2220cb4b34078ef161b467482b39bb7755e2ed0

21271656 as geometric shapes

Circle

Radius = n
Diameter 42543312
Circumference 133653756.43858
Area 1.4215183650346E+15

Sphere

Radius = n
Volume 4.0317399544932E+22
Surface area 5.6860734601385E+15
Circumference 133653756.43858

Square

Length = n
Perimeter 85086624
Area 452483348982336
Diagonal 30082664.409335

Cube

Length = n
Surface area 2714900093894016
Volume 9.6250701452802E+21
Space diagonal 36843588.953127

Equilateral Triangle

Length = n
Perimeter 63814968
Area 1.9593103750408E+14
Altitude 18421794.476564

Triangular Pyramid

Length = n
Surface area 1.9593103750408E+14
Volume 1.134325394854E+21
Height 10027554.803112