21461539 (number)

21461539 is an odd 8-digits composite number following 21461538 and preceding 21461540. In scientific notation, it is written as 2.1461539 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 19510480 positive integers (up to 21461539) that are relatively prime to 21461539.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred sixty-one thousand five hundred thirty-nine

Notation

Scientific notation 2.1461539 × 10^7
Engineering notation 2.1461539 × 10^6

Prime Factorization of 21461539

Prime Factorization 11 × 1951049

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21461539
Product of the distinct prime numbers

The prime factorization of 21461539 is 11 × 1951049. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21461539)

Multiplication

n×y
n×2 42923078
n×3 64384617
n×4 85846156
n×5 107307695

Division

n÷y
n÷2 10730769.5
n÷3 7153846.3333333
n÷3 5365384.75
n÷5 4292307.8

Exponentiation

ny
n2 460597656248521
n3 9.8851345628862E+21
n4 2.1215020094163E+29
n5 4.5530698113666E+36

Nth Root

y√n
2√n 4632.6600350123
3√n 277.8989807729
4√n 68.063646941758
5√n 29.263897863967

Divisors of 21461539

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 -21461538
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 21461539 can be divided by 4 positive divisors. The sum of these divisors (counting 21461539) is 1, the average is 0.25.

Base conversion 21461539

Base System Value
2 Binary 1010001110111101000100011
3 Ternary 1111101100200211
4 Quaternary 1101313220203
5 Quinary 20443232124
6 Senary 2043554551
8 Octal 121675043
10 Decimal 21461539
12 Duodecimal 722ba57
16 Hexadecimal 1477a23
20 Vigesimal 6e2dgj
36 Base36 crztv

Cryptographic Hash Functions

md5 fecbacd3031052c403ced054a1dbaf9f
sha1 96045027a49e92e41e3fda5213d5c931bf0e84e5
sha256 897d9f5c05ddda6ec246e63e13ee78ffb265367e63823f2011058a8861026fb7
sha512 1cab549b198b06650791d490ebc3fb3a39858b099a82c84448f4e20dcd6dd82f56a474c90d656cb070e62ff36180477bc11ae7fe69b434ef31d4254b78d22d13
ripemd-160 40a9358bc976713a59c73b46ad30d4bb2b04d2cc

21461539 as geometric shapes

Circle

Radius = n
Diameter 42923078
Circumference 134846826.51426
Area 1.447010213131E+15

Sphere

Radius = n
Volume 4.1406754830013E+22
Surface area 5.7880408525241E+15
Circumference 134846826.51426

Square

Length = n
Perimeter 85846156
Area 460597656248521
Diagonal 30351199.523199

Cube

Length = n
Surface area 2763585937491126
Volume 9.8851345628862E+21
Space diagonal 37172475.956621

Equilateral Triangle

Length = n
Perimeter 64384617
Area 1.994446356174E+14
Altitude 18586237.97831

Triangular Pyramid

Length = n
Surface area 1.994446356174E+14
Volume 1.1649742803931E+21
Height 10117066.507733