21490885 (number)

21490885 is an odd 8-digits composite number following 21490884 and preceding 21490886. In scientific notation, it is written as 2.1490885 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 15305472 positive integers (up to 21490885) that are relatively prime to 21490885.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490885 × 10^7
Engineering notation 2.1490885 × 10^6

Prime Factorization of 21490885

Prime Factorization 13 × 5 × 13 × 29 × 877

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1653145
Product of the distinct prime numbers

The prime factorization of 21490885 is 13 × 5 × 13 × 29 × 877. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 11, 43, 442, 967, 7872, 2960, 25528, 60985, 293215, 595859, 4960311, 4169585, 57774773, 22565467, 542480962, 335915792, 9351533485, 6397307923

Basic calculations (n = 21490885)

Multiplication

n×y
n×2 42981770
n×3 64472655
n×4 85963540
n×5 107454425

Division

n÷y
n÷2 10745442.5
n÷3 7163628.3333333
n÷3 5372721.25
n÷5 4298177

Exponentiation

ny
n2 461858138083225
n3 9.9257401318607E+21
n4 2.133129397137E+29
n5 4.5842838563991E+36

Nth Root

y√n
2√n 4635.8262478225
3√n 278.02558724513
4√n 68.086902175253
5√n 29.27189644247

Divisors of 21490885

1, 5, 13, 29, 65, 145, 169, 377, 845, 877, 1885, 4385, 4901, 11401, 24505, 25433, 57005, 127165, 148213, 330629, 741065, 1653145, 4298177, 21490885

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 -21490884
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 21490885 can be divided by 24 positive divisors. The sum of these divisors (counting 21490885) is 1, the average is 0.041666666666667.

Base conversion 21490885

Base System Value
2 Binary 1010001111110110011000101
3 Ternary 1111102211221201
4 Quaternary 1101332303011
5 Quinary 21000202020
6 Senary 2044342501
8 Octal 121766305
10 Decimal 21490885
12 Duodecimal 7244a31
16 Hexadecimal 147ecc5
20 Vigesimal 6e6745
36 Base36 csmh1

Cryptographic Hash Functions

md5 8396ef902336412ca5630b532718da0f
sha1 bda0d3ad31a93b683380e1e72aeb845e345ca652
sha256 7aff149fce66204c2b04323ba28da74396896353762282e596ef638a826c4540
sha512 a5649886f3cdb22d79db1b886cf351e6afd9a4968df9a63f7b81a8cd49f7d44bbdd5d198fe5875db21020e6431a4b6368efc98e0f4a68b49e8769282d97c4c8a
ripemd-160 5aac97ec471c2c6cbefa2cc95a953d70b3079861

21490885 as geometric shapes

Circle

Radius = n
Diameter 42981770
Circumference 135031212.87029
Area 1.4509701336029E+15

Sphere

Radius = n
Volume 4.1576843039593E+22
Surface area 5.8038805344117E+15
Circumference 135031212.87029

Square

Length = n
Perimeter 85963540
Area 461858138083225
Diagonal 30392701.034401

Cube

Length = n
Surface area 2771148828499350
Volume 9.9257401318607E+21
Space diagonal 37223304.71962

Equilateral Triangle

Length = n
Perimeter 64472655
Area 1.9999044026233E+14
Altitude 18611652.35981

Triangular Pyramid

Length = n
Surface area 1.9999044026233E+14
Volume 1.169759692589E+21
Height 10130900.3448