21495908 (number)

21495908 is an even 8-digits composite number following 21495907 and preceding 21495909. In scientific notation, it is written as 2.1495908 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 18 positive divisors. There are 9212448 positive integers (up to 21495908) that are relatively prime to 21495908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1495908 × 10^7
Engineering notation 2.1495908 × 10^6

Prime Factorization of 21495908

Prime Factorization 2 × 2 × 7 × 7 × 109673

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1535422
Product of the distinct prime numbers

The prime factorization of 21495908 is 2 × 2 × 7 × 7 × 109673. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 4, 97, 99, 969, 516, 1262, 7304, 86660, 29189, 379781, 980457, 7005936, 2110469, 3425612, 91015161, 351107784, 960749114, 1321160876, 6370684773

Basic calculations (n = 21495908)

Multiplication

n×y
n×2 42991816
n×3 64487724
n×4 85983632
n×5 107479540

Division

n÷y
n÷2 10747954
n÷3 7165302.6666667
n÷3 5373977
n÷5 4299181.6

Exponentiation

ny
n2 462074060744464
n3 9.9327014989494E+21
n4 2.1351243761288E+29
n5 4.5896437157822E+36

Nth Root

y√n
2√n 4636.3679750425
3√n 278.04724625292
4√n 68.090880263384
5√n 29.273264641049

Divisors of 21495908

1, 2, 4, 7, 14, 28, 49, 98, 196, 109673, 219346, 438692, 767711, 1535422, 3070844, 5373977, 10747954, 21495908

18 divisors

τ Total Divisors 18
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21495907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.055555555555556
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 18
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21495908 can be divided by 18 positive divisors. The sum of these divisors (counting 21495908) is 1, the average is 0.055555555555556.

Base conversion 21495908

Base System Value
2 Binary 1010010000000000001100100
3 Ternary 1111110002211202
4 Quaternary 1102000001210
5 Quinary 21000332113
6 Senary 2044422032
8 Octal 122000144
10 Decimal 21495908
12 Duodecimal 7247918
16 Hexadecimal 1480064
20 Vigesimal 6e6jf8
36 Base36 csqck

Cryptographic Hash Functions

md5 317f886d2292b291b017d350ad3d95b3
sha1 5b042e503689f4641112997c0486f10e7b453dc7
sha256 1659c2149f52cd2c9a81e18eab8e1cdcc3d80946149b4e435d63d737a5a48689
sha512 be83be8b030c416bfaaccf081d471437fdcec5571b23bb9f5cce625f6609ab402a7823e65e5f8ae0bf690dc64926765751e7d95f76b6ff0e3b08333a49a01d58
ripemd-160 c8d81e77ab0edce6f1c6bcd51e6987e267f794db

21495908 as geometric shapes

Circle

Radius = n
Diameter 42991816
Circumference 135062773.31008
Area 1.4516484746492E+15

Sphere

Radius = n
Volume 4.1606002745866E+22
Surface area 5.8065938985968E+15
Circumference 135062773.31008

Square

Length = n
Perimeter 85983632
Area 462074060744464
Diagonal 30399804.629124

Cube

Length = n
Surface area 2772444364466784
Volume 9.9327014989494E+21
Space diagonal 37232004.810826

Equilateral Triangle

Length = n
Perimeter 64487724
Area 2.0008393751727E+14
Altitude 18616002.405413

Triangular Pyramid

Length = n
Surface area 2.0008393751727E+14
Volume 1.1705800975682E+21
Height 10133268.209708