21568231 (number)

21568231 is an odd 8-digits composite number following 21568230 and preceding 21568232. In scientific notation, it is written as 2.1568231 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21558600 positive integers (up to 21568231) that are relatively prime to 21568231.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred sixty-eight thousand two hundred thirty-one

Notation

Scientific notation 2.1568231 × 10^7
Engineering notation 2.1568231 × 10^6

Prime Factorization of 21568231

Prime Factorization 3541 × 6091

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21568231
Product of the distinct prime numbers

The prime factorization of 21568231 is 3541 × 6091. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21568231)

Multiplication

n×y
n×2 43136462
n×3 64704693
n×4 86272924
n×5 107841155

Division

n÷y
n÷2 10784115.5
n÷3 7189410.3333333
n÷3 5392057.75
n÷5 4313646.2

Exponentiation

ny
n2 465188588469361
n3 1.0033294934671E+22
n4 2.1640042284212E+29
n5 4.6673743083564E+36

Nth Root

y√n
2√n 4644.1609575896
3√n 278.35872724991
4√n 68.148081099835
5√n 29.292936169437

Divisors of 21568231

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 -21568230
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 21568231 can be divided by 4 positive divisors. The sum of these divisors (counting 21568231) is 1, the average is 0.25.

Base conversion 21568231

Base System Value
2 Binary 1010010010001101011100111
3 Ternary 1111120210001101
4 Quaternary 1102101223213
5 Quinary 21010140411
6 Senary 2050140531
8 Octal 122215347
10 Decimal 21568231
12 Duodecimal 7281747
16 Hexadecimal 1491ae7
20 Vigesimal 6eg0bb
36 Base36 cua5j

Cryptographic Hash Functions

md5 38ef8694ae7705a8ab8803161ad347f5
sha1 2473853c2f36727cfcb5e6523c2011491325a22e
sha256 94ec474c3b98c8332ac2e31865fb12216e526a6ae0006832d595b0ec59252c2d
sha512 c07a15e0960339c23eaff2c64024e6ea279e475a35d8017338dd328cf937dc406e2d07db561d1df5432430aadc6266817618a356b5456e16f596ce7684ac4413
ripemd-160 326b5c5c75aaa8842ef3dcb92e7b0f240fb7d4d7

21568231 as geometric shapes

Circle

Radius = n
Diameter 43136462
Circumference 135517192.12106
Area 1.4614330520692E+15

Sphere

Radius = n
Volume 4.2027367544083E+22
Surface area 5.8457322082766E+15
Circumference 135517192.12106

Square

Length = n
Perimeter 86272924
Area 465188588469361
Diagonal 30502084.796596

Cube

Length = n
Surface area 2791131530816166
Volume 1.0033294934671E+22
Space diagonal 37357271.921382

Equilateral Triangle

Length = n
Perimeter 64704693
Area 2.0143256758255E+14
Altitude 18678635.960691

Triangular Pyramid

Length = n
Surface area 2.0143256758255E+14
Volume 1.1824351476584E+21
Height 10167361.598865