21024881 (number)

21024881 is an odd 8-digits composite number following 21024880 and preceding 21024882. In scientific notation, it is written as 2.1024881 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20895732 positive integers (up to 21024881) that are relatively prime to 21024881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1024881 × 10^7
Engineering notation 2.1024881 × 10^6

Prime Factorization of 21024881

Prime Factorization 163 × 128987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21024881
Product of the distinct prime numbers

The prime factorization of 21024881 is 163 × 128987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21024881)

Multiplication

n×y
n×2 42049762
n×3 63074643
n×4 84099524
n×5 105124405

Division

n÷y
n÷2 10512440.5
n÷3 7008293.6666667
n÷3 5256220.25
n÷5 4204976.2

Exponentiation

ny
n2 442045621064161
n3 9.2939565794451E+21
n4 1.95404331102E+29
n5 4.1083528083041E+36

Nth Root

y√n
2√n 4585.289630983
3√n 276.00133462213
4√n 67.714766712904
5√n 29.143835659472

Divisors of 21024881

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 -21024880
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 21024881 can be divided by 4 positive divisors. The sum of these divisors (counting 21024881) is 1, the average is 0.25.

Base conversion 21024881

Base System Value
2 Binary 1010000001101000001110001
3 Ternary 1110120011201022
4 Quaternary 1100031001301
5 Quinary 20340244011
6 Senary 2030345225
8 Octal 120150161
10 Decimal 21024881
12 Duodecimal 705b215
16 Hexadecimal 140d071
20 Vigesimal 6b8241
36 Base36 cimwh

Cryptographic Hash Functions

md5 69cbd9160f585a12e3f25f14e68f8eb4
sha1 3595a2676b8793d485c9a3e44ee2fdfb3a5bfa56
sha256 061caecd0aa210c6f80430aa055a2276638338887e0c21771fd323f606954876
sha512 4ec11ff5750d377db009b5e93490ef63494e60fc086fb7d412c40e92b75062fffde781487f4c60d07b87b9b5563b2031a4f4cfd6d11df67b589798fe0ce3cadd
ripemd-160 6c0d08714d8c1df7e347d200aba0d27bdcbec2f7

21024881 as geometric shapes

Circle

Radius = n
Diameter 42049762
Circumference 132103223.3844
Area 1.3887272756867E+15

Sphere

Radius = n
Volume 3.893043428369E+22
Surface area 5.5549091027468E+15
Circumference 132103223.3844

Square

Length = n
Perimeter 84099524
Area 442045621064161
Diagonal 29733671.85748

Cube

Length = n
Surface area 2652273726384966
Volume 9.2939565794451E+21
Space diagonal 36416162.11509

Equilateral Triangle

Length = n
Perimeter 63074643
Area 1.9141136873662E+14
Altitude 18208081.057545

Triangular Pyramid

Length = n
Surface area 1.9141136873662E+14
Volume 1.0953032868965E+21
Height 9911223.9524935