21495972 (number)

21495972 is an even 8-digits composite number following 21495971 and preceding 21495973. In scientific notation, it is written as 2.1495972 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 6990400 positive integers (up to 21495972) that are relatively prime to 21495972.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred seventy-two

Notation

Scientific notation 2.1495972 × 10^7
Engineering notation 2.1495972 × 10^6

Prime Factorization of 21495972

Prime Factorization 2 × 2 × 3 × 41 × 43691

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 10747986
Product of the distinct prime numbers

The prime factorization of 21495972 is 2 × 2 × 3 × 41 × 43691. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 10, 27, 47, 201, 58, 9887, 4700, 5540, 52142, 326632, 537589, 9760664, 3207871, 86055540, 17038323, 542954838, 309895778, 9672297908, 4533434994

Basic calculations (n = 21495972)

Multiplication

n×y
n×2 42991944
n×3 64487916
n×4 85983888
n×5 107479860

Division

n÷y
n÷2 10747986
n÷3 7165324
n÷3 5373993
n÷5 4299194.4

Exponentiation

ny
n2 462076812224784
n3 9.9327902174332E+21
n4 2.1351498039582E+29
n5 4.5897120401691E+36

Nth Root

y√n
2√n 4636.3748769917
3√n 278.04752219701
4√n 68.090930945257
5√n 29.27328207215

Divisors of 21495972

1, 2, 3, 4, 6, 12, 41, 82, 123, 164, 246, 492, 43691, 87382, 131073, 174764, 262146, 524292, 1791331, 3582662, 5373993, 7165324, 10747986, 21495972

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495972 can be divided by 24 positive divisors. The sum of these divisors (counting 21495972) is 1, the average is 0.041666666666667.

Base conversion 21495972

Base System Value
2 Binary 1010010000000000010100100
3 Ternary 1111110002221010
4 Quaternary 1102000002210
5 Quinary 21000332342
6 Senary 2044422220
8 Octal 122000244
10 Decimal 21495972
12 Duodecimal 7247970
16 Hexadecimal 14800a4
20 Vigesimal 6e6jic
36 Base36 csqec

Cryptographic Hash Functions

md5 55383e911a6f475b66995da3b21cdadf
sha1 cae9b6c77d7619fd64521cb1ee645b534897a366
sha256 ce617fb043ef3f8c0ff43f5185a6c1e30611e58fc36b8c92dd2531d0a4a3c379
sha512 e4df2ea845a5382b92b3b82979968d3fc56043fe0ddc189006f3cedf8a9553a3e5885711e7e812c5f818401f27d09d0e3b4ba4e8d354893248ba00da1f34c228
ripemd-160 262f997d1adaefee75783dfaf75b3165d6c2c426

21495972 as geometric shapes

Circle

Radius = n
Diameter 42991944
Circumference 135063175.43394
Area 1.4516571186796E+15

Sphere

Radius = n
Volume 4.1606374368982E+22
Surface area 5.8066284747183E+15
Circumference 135063175.43394

Square

Length = n
Perimeter 85983888
Area 462076812224784
Diagonal 30399895.138792

Cube

Length = n
Surface area 2772460873348704
Volume 9.9327902174332E+21
Space diagonal 37232115.662078

Equilateral Triangle

Length = n
Perimeter 64487916
Area 2.000851289432E+14
Altitude 18616057.831039

Triangular Pyramid

Length = n
Surface area 2.000851289432E+14
Volume 1.1705905531417E+21
Height 10133298.379597