21051539 (number)

21051539 is an odd 8-digits composite number following 21051538 and preceding 21051540. In scientific notation, it is written as 2.1051539 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20797824 positive integers (up to 21051539) that are relatively prime to 21051539.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand five hundred thirty-nine

Notation

Scientific notation 2.1051539 × 10^7
Engineering notation 2.1051539 × 10^6

Prime Factorization of 21051539

Prime Factorization 83 × 253633

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21051539
Product of the distinct prime numbers

The prime factorization of 21051539 is 83 × 253633. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21051539)

Multiplication

n×y
n×2 42103078
n×3 63154617
n×4 84206156
n×5 105257695

Division

n÷y
n÷2 10525769.5
n÷3 7017179.6666667
n÷3 5262884.75
n÷5 4210307.8

Exponentiation

ny
n2 443167294268521
n3 9.3293535788182E+21
n4 1.9639725070928E+29
n5 4.1344643827992E+36

Nth Root

y√n
2√n 4588.195614836
3√n 276.11793514124
4√n 67.736220848494
5√n 29.151222361365

Divisors of 21051539

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 -21051538
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 21051539 can be divided by 4 positive divisors. The sum of these divisors (counting 21051539) is 1, the average is 0.25.

Base conversion 21051539

Base System Value
2 Binary 1010000010011100010010011
3 Ternary 1110121112021122
4 Quaternary 1100103202103
5 Quinary 20342122124
6 Senary 2031112455
8 Octal 120234223
10 Decimal 21051539
12 Duodecimal 707272b
16 Hexadecimal 1413893
20 Vigesimal 6bb8gj
36 Base36 cj7gz

Cryptographic Hash Functions

md5 4e80a03a33a288422bb808519e95530f
sha1 948ebe99ddf7a78d492048eb67b0d44a33a5c052
sha256 0a19b0104c59fae95cf54221d02559f72775e9de5c6eaa6da54c4efeb04546a9
sha512 135e040d75e8a7470c3de977f7b2b743aaee0b5b795fe8c4e3a24532f262d1b0c823bbf083c0055cc80f65635cef135d1b350c9de22a9b2207fc347202a22686
ripemd-160 596ae474cbcb8bf1e58336836727041c7ce3d614

21051539 as geometric shapes

Circle

Radius = n
Diameter 42103078
Circumference 132270720.53832
Area 1.3922511159853E+15

Sphere

Radius = n
Volume 3.9078704887943E+22
Surface area 5.569004463941E+15
Circumference 132270720.53832

Square

Length = n
Perimeter 84206156
Area 443167294268521
Diagonal 29771371.962626

Cube

Length = n
Surface area 2659003765611126
Volume 9.3293535788182E+21
Space diagonal 36462335.125518

Equilateral Triangle

Length = n
Perimeter 63154617
Area 1.9189706748148E+14
Altitude 18231167.562759

Triangular Pyramid

Length = n
Surface area 1.9189706748148E+14
Volume 1.0994748632782E+21
Height 9923790.6542087