21131005 (number)

21131005 is an odd 8-digits composite number following 21131004 and preceding 21131006. In scientific notation, it is written as 2.1131005 × 10^7. The sum of its digits is 13. It has a total of 4 prime factors and 12 positive divisors. There are 14489664 positive integers (up to 21131005) that are relatively prime to 21131005.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131005 × 10^7
Engineering notation 2.1131005 × 10^6

Prime Factorization of 21131005

Prime Factorization 5 × 7 × 7 × 86249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3018715
Product of the distinct prime numbers

The prime factorization of 21131005 is 5 × 7 × 7 × 86249. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 2, 9, 86, 833, 252, 532, 4754, 24446, 15768, 764793, 465937, 5227211, 4232423, 70137699, 52580353, 946988339, 780137505, 3429133235, 9870309133

Basic calculations (n = 21131005)

Multiplication

n×y
n×2 42262010
n×3 63393015
n×4 84524020
n×5 105655025

Division

n÷y
n÷2 10565502.5
n÷3 7043668.3333333
n÷3 5282751.25
n÷5 4226201

Exponentiation

ny
n2 446519372310025
n3 9.43540308888E+21
n4 1.9937954984814E+29
n5 4.2130902647388E+36

Nth Root

y√n
2√n 4596.8472891755
3√n 276.46493172727
4√n 67.80005375496
5√n 29.173197392571

Divisors of 21131005

1, 5, 7, 35, 49, 245, 86249, 431245, 603743, 3018715, 4226201, 21131005

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21131004
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131005 can be divided by 12 positive divisors. The sum of these divisors (counting 21131005) is 1, the average is 0.083333333333333.

Base conversion 21131005

Base System Value
2 Binary 1010000100110111011111101
3 Ternary 1110202120021211
4 Quaternary 1100212323331
5 Quinary 20402143010
6 Senary 2032524421
8 Octal 120467375
10 Decimal 21131005
12 Duodecimal 70b0711
16 Hexadecimal 1426efd
20 Vigesimal 6c17a5
36 Base36 ckwsd

Cryptographic Hash Functions

md5 725389a980b02eb63d3a12d9d21d76d9
sha1 2082deabcb6ddc671b593ee18e2b2abef1cca862
sha256 d618ed0475a6ab0c48b3c226a5f6ffe086b32ea53bc3e743e556d7962125f4e6
sha512 5079e2f255e473b35e73fe1af82898f99741a3085740d66001e64ab077ee0f97b2203b74cf2deedd1435225697b3a0508d5efbaad1b1ec19e193d5a3e9ef222d
ripemd-160 2d4f9abe2a30c4651ece8a9858ac5fe7ed167e65

21131005 as geometric shapes

Circle

Radius = n
Diameter 42262010
Circumference 132770020.14194
Area 1.4027819797347E+15

Sphere

Radius = n
Volume 3.9522924036912E+22
Surface area 5.6111279189388E+15
Circumference 132770020.14194

Square

Length = n
Perimeter 84524020
Area 446519372310025
Diagonal 29883753.857574

Cube

Length = n
Surface area 2679116233860150
Volume 9.43540308888E+21
Space diagonal 36599974.274992

Equilateral Triangle

Length = n
Perimeter 63393015
Area 1.9334855985118E+14
Altitude 18299987.137496

Triangular Pyramid

Length = n
Surface area 1.9334855985118E+14
Volume 1.1119729178959E+21
Height 9961251.2858579