21461389 (number)

21461389 is an odd 8-digits composite number following 21461388 and preceding 21461390. In scientific notation, it is written as 2.1461389 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 21032400 positive integers (up to 21461389) that are relatively prime to 21461389.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand three hundred eighty-nine

Notation

Scientific notation 2.1461389 × 10^7
Engineering notation 2.1461389 × 10^6

Prime Factorization of 21461389

Prime Factorization 2063 × 101 × 103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21461389
Product of the distinct prime numbers

The prime factorization of 21461389 is 2063 × 101 × 103. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21461389)

Multiplication

n×y
n×2 42922778
n×3 64384167
n×4 85845556
n×5 107306945

Division

n÷y
n÷2 10730694.5
n÷3 7153796.3333333
n÷3 5365347.25
n÷5 4292277.8

Exponentiation

ny
n2 460591217809321
n3 9.8849272953896E+21
n4 2.1214426992307E+29
n5 4.5529107009401E+36

Nth Root

y√n
2√n 4632.6438455811
3√n 277.8983333365
4√n 68.063528013034
5√n 29.26385695733

Divisors of 21461389

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 -21461388
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 21461389 can be divided by 8 positive divisors. The sum of these divisors (counting 21461389) is 1, the average is 0.125.

Base conversion 21461389

Base System Value
2 Binary 1010001110111100110001101
3 Ternary 1111101100111021
4 Quaternary 1101313212031
5 Quinary 20443231024
6 Senary 2043554141
8 Octal 121674615
10 Decimal 21461389
12 Duodecimal 722b951
16 Hexadecimal 147798d
20 Vigesimal 6e2d99
36 Base36 crzpp

Cryptographic Hash Functions

md5 195ebd72b62f42809910769e29dadbb6
sha1 4681b6853f8a4658b92f6511a65c65286a4f424f
sha256 41cd5dd334db9bcfecb9615c4de6b7dbf297639ba182be8aabf7e2a39deea7f9
sha512 a80a926e94738f314b2eb3bb9c893d89c36765826b4b6890f4c14b7dad75b796228133c39b39f2070e5f199ed3f122abe31331837612d9c5c77e822a0afe96fc
ripemd-160 4acc0e850de6a3ae913a0bff49b45f1af1fa7e09

21461389 as geometric shapes

Circle

Radius = n
Diameter 42922778
Circumference 134845884.03647
Area 1.4469899861777E+15

Sphere

Radius = n
Volume 4.1405886629953E+22
Surface area 5.787959944711E+15
Circumference 134845884.03647

Square

Length = n
Perimeter 85845556
Area 460591217809321
Diagonal 30350987.391165

Cube

Length = n
Surface area 2763547306855926
Volume 9.8849272953896E+21
Space diagonal 37172216.149

Equilateral Triangle

Length = n
Perimeter 64384167
Area 1.9944184769144E+14
Altitude 18586108.0745

Triangular Pyramid

Length = n
Surface area 1.9944184769144E+14
Volume 1.1649498536843E+21
Height 10116995.797055