21291331 (number)

21291331 is an odd 8-digits composite number following 21291330 and preceding 21291332. In scientific notation, it is written as 2.1291331 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 21163672 positive integers (up to 21291331) that are relatively prime to 21291331.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred ninety-one thousand three hundred thirty-one

Notation

Scientific notation 2.1291331 × 10^7
Engineering notation 2.1291331 × 10^6

Prime Factorization of 21291331

Prime Factorization 167 × 127493

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21291331
Product of the distinct prime numbers

The prime factorization of 21291331 is 167 × 127493. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21291331)

Multiplication

n×y
n×2 42582662
n×3 63873993
n×4 85165324
n×5 106456655

Division

n÷y
n÷2 10645665.5
n÷3 7097110.3333333
n÷3 5322832.75
n÷5 4258266.2

Exponentiation

ny
n2 453320775751561
n3 9.6518026857033E+21
n4 2.05499725728E+29
n5 4.375362680884E+36

Nth Root

y√n
2√n 4614.2530273057
3√n 277.1623727078
4√n 67.928293275378
5√n 29.217332458006

Divisors of 21291331

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 -21291330
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 21291331 can be divided by 4 positive divisors. The sum of these divisors (counting 21291331) is 1, the average is 0.25.

Base conversion 21291331

Base System Value
2 Binary 1010001001110000101000011
3 Ternary 1111001201012211
4 Quaternary 1101032011003
5 Quinary 20422310311
6 Senary 2040202551
8 Octal 121160503
10 Decimal 21291331
12 Duodecimal 7169457
16 Hexadecimal 144e143
20 Vigesimal 6d186b
36 Base36 cochv

Cryptographic Hash Functions

md5 c683efd474633505f5826c210b5daefc
sha1 10ff0a58636182d8f61e866abd3d0a95dab0f500
sha256 5d5a1e34e64a0372fd197d3e804e707991e7bd5416337d096acbc46c70627f44
sha512 d295576c07220c3dea920e0586fa0d7ecdf3046e8b07956453cde0ee56e116c3ee13fa0188b6793cbcb38c1f724c9473f1dbccd13a3b0f2f4cef528d04fd9338
ripemd-160 3ad3324e30e6d634fe2010beb8f85702f4ffa9c2

21291331 as geometric shapes

Circle

Radius = n
Diameter 42582662
Circumference 133777378.1095
Area 1.4241492188207E+15

Sphere

Radius = n
Volume 4.0429376548405E+22
Surface area 5.6965968752829E+15
Circumference 133777378.1095

Square

Length = n
Perimeter 85165324
Area 453320775751561
Diagonal 30110489.061175

Cube

Length = n
Surface area 2719924654509366
Volume 9.6518026857033E+21
Space diagonal 36877667.052766

Equilateral Triangle

Length = n
Perimeter 63873993
Area 1.9629365393206E+14
Altitude 18438833.526383

Triangular Pyramid

Length = n
Surface area 1.9629365393206E+14
Volume 1.1374758549559E+21
Height 10036829.687058