21497908 (number)

21497908 is an even 8-digits composite number following 21497907 and preceding 21497909. In scientific notation, it is written as 2.1497908 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors. There are 10736000 positive integers (up to 21497908) that are relatively prime to 21497908.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1497908 × 10^7
Engineering notation 2.1497908 × 10^6

Prime Factorization of 21497908

Prime Factorization 2 × 2 × 977 × 5501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10748954
Product of the distinct prime numbers

The prime factorization of 21497908 is 2 × 2 × 977 × 5501. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 16, 10, 820, 411, 4871, 5273, 10231, 57574, 267622, 391661, 1930090, 6392759, 55563864, 53074996, 721620647, 230453844, 7503175911, 7294719412

Basic calculations (n = 21497908)

Multiplication

n×y
n×2 42995816
n×3 64493724
n×4 85991632
n×5 107489540

Division

n÷y
n÷2 10748954
n÷3 7165969.3333333
n÷3 5374477
n÷5 4299581.6

Exponentiation

ny
n2 462160048376464
n3 9.9354742012728E+21
n4 2.1359191031534E+29
n5 4.5917792375033E+36

Nth Root

y√n
2√n 4636.5836560985
3√n 278.05586924676
4√n 68.09246401841
5√n 29.273809343329

Divisors of 21497908

1, 2, 4, 977, 1954, 3908, 5501, 11002, 22004, 5374477, 10748954, 21497908

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21497907
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21497908 can be divided by 12 positive divisors. The sum of these divisors (counting 21497908) is 1, the average is 0.083333333333333.

Base conversion 21497908

Base System Value
2 Binary 1010010000000100000110100
3 Ternary 1111110012120211
4 Quaternary 1102000200310
5 Quinary 21000413113
6 Senary 2044435204
8 Octal 122004064
10 Decimal 21497908
12 Duodecimal 7248b04
16 Hexadecimal 1480834
20 Vigesimal 6e74f8
36 Base36 csrw4

Cryptographic Hash Functions

md5 bde51fb5c3df60e4d59bc94b6bd3e5e9
sha1 7dcb391da6f47a6c0724697f03f8ded68cc060bf
sha256 f2a9d5b0bfaf171b32d298e91f94214377f6cb278126d257eddb26700ff40acd
sha512 954327cf896565e32ba6c6ce29afcfa67b22f3e1c6e167b451601706c19ca07e0c9b47f4c71ea7b436995d503608895b432aa50629695b010820cf9091fada98
ripemd-160 8273f6db7c2d1e227e78677a9af99e50faf7041d

21497908 as geometric shapes

Circle

Radius = n
Diameter 42995816
Circumference 135075339.6807
Area 1.4519186127622E+15

Sphere

Radius = n
Volume 4.1617617014199E+22
Surface area 5.8076744510488E+15
Circumference 135075339.6807

Square

Length = n
Perimeter 85991632
Area 462160048376464
Diagonal 30402633.056249

Cube

Length = n
Surface area 2772960290258784
Volume 9.9354742012728E+21
Space diagonal 37235468.912441

Equilateral Triangle

Length = n
Perimeter 64493724
Area 2.0012117125413E+14
Altitude 18617734.456221

Triangular Pyramid

Length = n
Surface area 2.0012117125413E+14
Volume 1.1709068636707E+21
Height 10134211.01875