21494885 (number)

21494885 is an odd 8-digits composite number following 21494884 and preceding 21494886. In scientific notation, it is written as 2.1494885 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 16184320 positive integers (up to 21494885) that are relatively prime to 21494885.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1494885 × 10^7
Engineering notation 2.1494885 × 10^6

Prime Factorization of 21494885

Prime Factorization 5 × 17 × 252881

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21494885
Product of the distinct prime numbers

The prime factorization of 21494885 is 5 × 17 × 252881. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21494885)

Multiplication

n×y
n×2 42989770
n×3 64484655
n×4 85979540
n×5 107474425

Division

n÷y
n÷2 10747442.5
n÷3 7164961.6666667
n÷3 5373721.25
n÷5 4298977

Exponentiation

ny
n2 462030081163225
n3 9.9312834611442E+21
n4 2.134717958997E+29
n5 4.5885517036074E+36

Nth Root

y√n
2√n 4636.2576503037
3√n 278.04283538481
4√n 68.090070129966
5√n 29.27298601016

Divisors of 21494885

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21494884
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21494885 can be divided by 8 positive divisors. The sum of these divisors (counting 21494885) is 1, the average is 0.125.

Base conversion 21494885

Base System Value
2 Binary 1010001111111110001100101
3 Ternary 1111110001102212
4 Quaternary 1101333301211
5 Quinary 21000314020
6 Senary 2044413205
8 Octal 121776145
10 Decimal 21494885
12 Duodecimal 7247205
16 Hexadecimal 147fc65
20 Vigesimal 6e6h45
36 Base36 cspk5

Cryptographic Hash Functions

md5 2fb4d48c6f63f49f5a82d0b57c77ba5f
sha1 e970d6cfd345a28fc89ed16515b225788191e36a
sha256 67488214a54ddf4356a21c8aed8f41f300837a828fd6aaed0a1cfc1a52ccc85e
sha512 e1f2bb0faa3ebba5feb091cc0a3712dd6d3e1d4cff5fa217662e9ce12628c6f332f9255d6fffa0acfefaca308edcaf83baa541cb8f453a946f759e93cb77f7c1
ripemd-160 a848a30909fa7c4f24abf38a4870a89268b0dfab

21494885 as geometric shapes

Circle

Radius = n
Diameter 42989770
Circumference 135056345.61151
Area 1.4515103087199E+15

Sphere

Radius = n
Volume 4.1600062882998E+22
Surface area 5.8060412348795E+15
Circumference 135056345.61151

Square

Length = n
Perimeter 85979540
Area 462030081163225
Diagonal 30398357.88865

Cube

Length = n
Surface area 2772180486979350
Volume 9.9312834611442E+21
Space diagonal 37230232.92285

Equilateral Triangle

Length = n
Perimeter 64484655
Area 2.0006489379997E+14
Altitude 18615116.461425

Triangular Pyramid

Length = n
Surface area 2.0006489379997E+14
Volume 1.1704129802101E+21
Height 10132785.962883