21490889 (number)

21490889 is an odd 8-digits composite number following 21490888 and preceding 21490890. In scientific notation, it is written as 2.1490889 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 18420756 positive integers (up to 21490889) that are relatively prime to 21490889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1490889 × 10^7
Engineering notation 2.1490889 × 10^6

Prime Factorization of 21490889

Prime Factorization 7 × 3070127

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21490889
Product of the distinct prime numbers

The prime factorization of 21490889 is 7 × 3070127. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21490889)

Multiplication

n×y
n×2 42981778
n×3 64472667
n×4 85963556
n×5 107454445

Division

n÷y
n÷2 10745444.5
n÷3 7163629.6666667
n÷3 5372722.25
n÷5 4298177.8

Exponentiation

ny
n2 461858310010321
n3 9.9257456741594E+21
n4 2.1331309852559E+29
n5 4.5842881226595E+36

Nth Root

y√n
2√n 4635.826679245
3√n 278.02560449434
4√n 68.086905343429
5√n 29.271897532119

Divisors of 21490889

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21490888
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21490889 can be divided by 4 positive divisors. The sum of these divisors (counting 21490889) is 1, the average is 0.25.

Base conversion 21490889

Base System Value
2 Binary 1010001111110110011001001
3 Ternary 1111102211221212
4 Quaternary 1101332303021
5 Quinary 21000202024
6 Senary 2044342505
8 Octal 121766311
10 Decimal 21490889
12 Duodecimal 7244a35
16 Hexadecimal 147ecc9
20 Vigesimal 6e6749
36 Base36 csmh5

Cryptographic Hash Functions

md5 62822f8325ab35a18929b312b23721a1
sha1 eed7da3cde2c127f79d4e4b2ea68630f2152da8a
sha256 5325e5486fa1f26d0c4b5631a4f61c2cf7fe01967b430f2f9a7d91a38f5a3369
sha512 6daf960d11a3172e5610c426b7ced2013339f59f450eb7799820147f9478f1363987e7610b408e2d5831d59ce1deea2c48b4a4d02dfe6566ff5784a3ad5f7255
ripemd-160 2863bee6b180bb02f8fcef17b895f84197eaf8d1

21490889 as geometric shapes

Circle

Radius = n
Diameter 42981778
Circumference 135031238.00303
Area 1.4509706737278E+15

Sphere

Radius = n
Volume 4.157686625512E+22
Surface area 5.8038826949113E+15
Circumference 135031238.00303

Square

Length = n
Perimeter 85963556
Area 461858310010321
Diagonal 30392706.691255

Cube

Length = n
Surface area 2771149860061926
Volume 9.9257456741594E+21
Space diagonal 37223311.647823

Equilateral Triangle

Length = n
Perimeter 64472667
Area 1.9999051470894E+14
Altitude 18611655.823912

Triangular Pyramid

Length = n
Surface area 1.9999051470894E+14
Volume 1.1697603457552E+21
Height 10130902.230418