21492889 (number)

21492889 is an odd 8-digits composite number following 21492888 and preceding 21492890. In scientific notation, it is written as 2.1492889 × 10^7. The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors. There are 18908400 positive integers (up to 21492889) that are relatively prime to 21492889.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred ninety-two thousand eight hundred eighty-nine

Notation

Scientific notation 2.1492889 × 10^7
Engineering notation 2.1492889 × 10^6

Prime Factorization of 21492889

Prime Factorization 11 × 31 × 63029

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21492889
Product of the distinct prime numbers

The prime factorization of 21492889 is 11 × 31 × 63029. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21492889)

Multiplication

n×y
n×2 42985778
n×3 64478667
n×4 85971556
n×5 107464445

Division

n÷y
n÷2 10746444.5
n÷3 7164296.3333333
n÷3 5373222.25
n÷5 4298577.8

Exponentiation

ny
n2 461944277566321
n3 9.9285170819181E+21
n4 2.1339251557627E+29
n5 4.5864216507115E+36

Nth Root

y√n
2√n 4636.0423854835
3√n 278.03422883061
4√n 68.088489375838
5√n 29.27244233616

Divisors of 21492889

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 -21492888
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 21492889 can be divided by 8 positive divisors. The sum of these divisors (counting 21492889) is 1, the average is 0.125.

Base conversion 21492889

Base System Value
2 Binary 1010001111111010010011001
3 Ternary 1111102221200221
4 Quaternary 1101333102121
5 Quinary 21000233024
6 Senary 2044400041
8 Octal 121772231
10 Decimal 21492889
12 Duodecimal 7246021
16 Hexadecimal 147f499
20 Vigesimal 6e6c49
36 Base36 cso0p

Cryptographic Hash Functions

md5 74b9cb589d81f1f2e59862d37837055a
sha1 78ae6f9d56f49f31921c17347d3ccee071fc5ccc
sha256 83793094b798e36bdabeb0ac8638becd5bc0f15025ebce49b3b015ba6feb64a0
sha512 26e02785099c98254b98b0dd56b60269d2c8d1e4022c17c99295dff49d4f95445f66d5d53eeaf676420cc570d4a9df88a0f074209880674934d8a8bc925bc791
ripemd-160 5f108c8e9653f2a9f45dd6a7addc9e252a8359ff

21492889 as geometric shapes

Circle

Radius = n
Diameter 42985778
Circumference 135043804.37364
Area 1.4512407487702E+15

Sphere

Radius = n
Volume 4.1588475100793E+22
Surface area 5.8049629950808E+15
Circumference 135043804.37364

Square

Length = n
Perimeter 85971556
Area 461944277566321
Diagonal 30395535.11838

Cube

Length = n
Surface area 2771665665397926
Volume 9.9285170819181E+21
Space diagonal 37226775.749438

Equilateral Triangle

Length = n
Perimeter 64478667
Area 2.0002773975264E+14
Altitude 18613387.874719

Triangular Pyramid

Length = n
Surface area 2.0002773975264E+14
Volume 1.1700869592918E+21
Height 10131845.03946