21531628 (number)

21531628 is an even 8-digits composite number following 21531627 and preceding 21531629. In scientific notation, it is written as 2.1531628 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 6 positive divisors. There are 10765812 positive integers (up to 21531628) that are relatively prime to 21531628.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred thirty-one thousand six hundred twenty-eight

Notation

Scientific notation 2.1531628 × 10^7
Engineering notation 2.1531628 × 10^6

Prime Factorization of 21531628

Prime Factorization 2 × 2 × 5382907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10765814
Product of the distinct prime numbers

The prime factorization of 21531628 is 2 × 2 × 5382907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21531628)

Multiplication

n×y
n×2 43063256
n×3 64594884
n×4 86126512
n×5 107658140

Division

n÷y
n÷2 10765814
n÷3 7177209.3333333
n÷3 5382907
n÷5 4306325.6

Exponentiation

ny
n2 463611004330384
n3 9.9822996819482E+21
n4 2.1493516333623E+29
n5 4.6279039810749E+36

Nth Root

y√n
2√n 4640.2185293367
3√n 278.20117247027
4√n 68.119149505383
5√n 29.282986925714

Divisors of 21531628

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 -21531627
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 21531628 can be divided by 6 positive divisors. The sum of these divisors (counting 21531628) is 1, the average is 0.16666666666667.

Base conversion 21531628

Base System Value
2 Binary 1010010001000101111101100
3 Ternary 1111111220211201
4 Quaternary 1102020233230
5 Quinary 21003003003
6 Senary 2045255244
8 Octal 122105754
10 Decimal 21531628
12 Duodecimal 7264524
16 Hexadecimal 1488bec
20 Vigesimal 6eb918
36 Base36 cthws

Cryptographic Hash Functions

md5 fe592111bf5547666976ba5072703708
sha1 d84b98686f51e921719db6661a1c4dec7c320801
sha256 fb80e57e0510719bd7d1013b1a350536407ca6e6fc677701e9f86edf387fad18
sha512 d9502828b31998b9949ba5ea779f76b555c876d8ea651c2ad042673aac1f711f848ae1d99f0e8bfe6a67843ec2fc00ae213f692dc0811029eb9feeb0075e08a8
ripemd-160 264b5ee6041ba959abfee139b979219cf69719bf

21531628 as geometric shapes

Circle

Radius = n
Diameter 43063256
Circumference 135287208.68926
Area 1.4564769253277E+15

Sphere

Radius = n
Volume 4.1813759128987E+22
Surface area 5.8259077013109E+15
Circumference 135287208.68926

Square

Length = n
Perimeter 86126512
Area 463611004330384
Diagonal 30450320.337572

Cube

Length = n
Surface area 2781666025982304
Volume 9.9822996819482E+21
Space diagonal 37293873.665673

Equilateral Triangle

Length = n
Perimeter 64594884
Area 2.0074945361206E+14
Altitude 18646936.832836

Triangular Pyramid

Length = n
Surface area 2.0074945361206E+14
Volume 1.1764252994903E+21
Height 10150106.779191