21495968 (number)

21495968 is an even 8-digits composite number following 21495967 and preceding 21495969. In scientific notation, it is written as 2.1495968 × 10^7. The sum of its digits is 44. It has a total of 7 prime factors and 24 positive divisors. There are 9921024 positive integers (up to 21495968) that are relatively prime to 21495968.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-five thousand nine hundred sixty-eight

Notation

Scientific notation 2.1495968 × 10^7
Engineering notation 2.1495968 × 10^6

Prime Factorization of 21495968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 13 × 51673

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1343498
Product of the distinct prime numbers

The prime factorization of 21495968 is 2 × 2 × 2 × 2 × 2 × 13 × 51673. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21495968)

Multiplication

n×y
n×2 42991936
n×3 64487904
n×4 85983872
n×5 107479840

Division

n÷y
n÷2 10747984
n÷3 7165322.6666667
n÷3 5373992
n÷5 4299193.6

Exponentiation

ny
n2 462076640257024
n3 9.9327846725125E+21
n4 2.1351482147122E+29
n5 4.589707769871E+36

Nth Root

y√n
2√n 4636.3744456202
3√n 278.04750495052
4√n 68.090927777643
5√n 29.273280982707

Divisors of 21495968

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 -21495967
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 21495968 can be divided by 24 positive divisors. The sum of these divisors (counting 21495968) is 1, the average is 0.041666666666667.

Base conversion 21495968

Base System Value
2 Binary 1010010000000000010100000
3 Ternary 1111110002220222
4 Quaternary 1102000002200
5 Quinary 21000332333
6 Senary 2044422212
8 Octal 122000240
10 Decimal 21495968
12 Duodecimal 7247968
16 Hexadecimal 14800a0
20 Vigesimal 6e6ji8
36 Base36 csqe8

Cryptographic Hash Functions

md5 9e6d85b987073eb78c080906cf1057a6
sha1 172ee02a350d8cab75a134635415d1f321f87b45
sha256 919a6273d6678078e4e4e63ea0baa3192f608d5b2b4512438c589feab467adb0
sha512 61712896de7c2c328d4bb27bc07ba10bca8b74daac76db3af2ea8f711a64f51bd3a3981d5eeb922682ccb5ac63928e3fc4832fac15d20ccf45653e09f1b05aed
ripemd-160 93fba15566fe45731ec7fcf17c2658866a0c7f15

21495968 as geometric shapes

Circle

Radius = n
Diameter 42991936
Circumference 135063150.3012
Area 1.4516565784269E+15

Sphere

Radius = n
Volume 4.1606351142473E+22
Surface area 5.8066263137077E+15
Circumference 135063150.3012

Square

Length = n
Perimeter 85983872
Area 462076640257024
Diagonal 30399889.481938

Cube

Length = n
Surface area 2772459841542144
Volume 9.9327846725125E+21
Space diagonal 37232108.733875

Equilateral Triangle

Length = n
Perimeter 64487904
Area 2.0008505447897E+14
Altitude 18616054.366937

Triangular Pyramid

Length = n
Surface area 2.0008505447897E+14
Volume 1.1705898996666E+21
Height 10133296.493979