21497903 (number)

21497903 is an odd 8-digits composite number following 21497902 and preceding 21497904. In scientific notation, it is written as 2.1497903 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors. There are 17638656 positive integers (up to 21497903) that are relatively prime to 21497903.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-seven thousand nine hundred three

Notation

Scientific notation 2.1497903 × 10^7
Engineering notation 2.1497903 × 10^6

Prime Factorization of 21497903

Prime Factorization 29 × 7 × 137 × 773

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21497903
Product of the distinct prime numbers

The prime factorization of 21497903 is 29 × 7 × 137 × 773. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21497903)

Multiplication

n×y
n×2 42995806
n×3 64493709
n×4 85991612
n×5 107489515

Division

n÷y
n÷2 10748951.5
n÷3 7165967.6666667
n÷3 5374475.75
n÷5 4299580.6

Exponentiation

ny
n2 462159833397409
n3 9.9354672688737E+21
n4 2.1359171160592E+29
n5 4.5917738977081E+36

Nth Root

y√n
2√n 4636.5831169084
3√n 278.05584768995
4√n 68.092460059161
5√n 29.273807981624

Divisors of 21497903

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497902
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497903 can be divided by 16 positive divisors. The sum of these divisors (counting 21497903) is 1, the average is 0.0625.

Base conversion 21497903

Base System Value
2 Binary 1010010000000100000101111
3 Ternary 1111110012120122
4 Quaternary 1102000200233
5 Quinary 21000413103
6 Senary 2044435155
8 Octal 122004057
10 Decimal 21497903
12 Duodecimal 7248abb
16 Hexadecimal 148082f
20 Vigesimal 6e74f3
36 Base36 csrvz

Cryptographic Hash Functions

md5 13ad9c0dd3e4427ccc5497043f938ec0
sha1 210d1c0379abe89634aabd0ac0d4a0a0abbd58f2
sha256 6e2e4e56176a866df4c26f8cbeba24e25057ea52bcb93c7eaa68ef0ae8a7efe8
sha512 feda318285dae5d87b0ff6aa732a0fc522de0bc7e1c9b66933d189eeff354c376be73b4cc06706a94275b16f7adb7b3d2bcda4ad095976b5373cda0282f47737
ripemd-160 20acf90fd85ea07dbc3d04a3d8bbeacb50f728fd

21497903 as geometric shapes

Circle

Radius = n
Diameter 42995806
Circumference 135075308.26477
Area 1.4519179373856E+15

Sphere

Radius = n
Volume 4.1617587975834E+22
Surface area 5.8076717495423E+15
Circumference 135075308.26477

Square

Length = n
Perimeter 85991612
Area 462159833397409
Diagonal 30402625.985181

Cube

Length = n
Surface area 2772959000384454
Volume 9.9354672688737E+21
Space diagonal 37235460.252187

Equilateral Triangle

Length = n
Perimeter 64493709
Area 2.0012107816547E+14
Altitude 18617730.126094

Triangular Pyramid

Length = n
Surface area 2.0012107816547E+14
Volume 1.1709060466796E+21
Height 10134208.661727