21131863 (number)

21131863 is an odd 8-digits composite number following 21131862 and preceding 21131864. In scientific notation, it is written as 2.1131863 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20450160 positive integers (up to 21131863) that are relatively prime to 21131863.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred sixty-three

Notation

Scientific notation 2.1131863 × 10^7
Engineering notation 2.1131863 × 10^6

Prime Factorization of 21131863

Prime Factorization 31 × 681673

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131863
Product of the distinct prime numbers

The prime factorization of 21131863 is 31 × 681673. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131863)

Multiplication

n×y
n×2 42263726
n×3 63395589
n×4 84527452
n×5 105659315

Division

n÷y
n÷2 10565931.5
n÷3 7043954.3333333
n÷3 5282965.75
n÷5 4226372.6

Exponentiation

ny
n2 446555633850769
n3 9.4365524764126E+21
n4 1.9941193412386E+29
n5 4.2139456724705E+36

Nth Root

y√n
2√n 4596.94061306
3√n 276.46867352281
4√n 67.800741980158
5√n 29.173434297506

Divisors of 21131863

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 -21131862
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 21131863 can be divided by 4 positive divisors. The sum of these divisors (counting 21131863) is 1, the average is 0.25.

Base conversion 21131863

Base System Value
2 Binary 1010000100111001001010111
3 Ternary 1110202121110121
4 Quaternary 1100213021113
5 Quinary 20402204423
6 Senary 2032532411
8 Octal 120471127
10 Decimal 21131863
12 Duodecimal 70b1107
16 Hexadecimal 1427257
20 Vigesimal 6c19d3
36 Base36 ckxg7

Cryptographic Hash Functions

md5 8464e10d5e1a291a45ca4f8c3b61ea03
sha1 313b973ff66d62c93e203dda1090a50aa7856ddf
sha256 bf0a776ef9352d4e20143f8866a2d971bc3a772d262c1939a4a22f77d89079f6
sha512 15966cf93deb83cbeb61d168206260b06abdc609e501b1c5b40ef78395a0e249344f13c78d8bb12e50204c0d512bf3bd0867f4b7282617f91eb4c339685c76c4
ripemd-160 ccba9e0af2844cecffc424a60ebfa5861b3f4c5c

21131863 as geometric shapes

Circle

Radius = n
Diameter 42263726
Circumference 132775411.11493
Area 1.4028958987247E+15

Sphere

Radius = n
Volume 3.952773858015E+22
Surface area 5.6115835948988E+15
Circumference 132775411.11493

Square

Length = n
Perimeter 84527452
Area 446555633850769
Diagonal 29884967.25281

Cube

Length = n
Surface area 2679333803104614
Volume 9.4365524764126E+21
Space diagonal 36601460.374585

Equilateral Triangle

Length = n
Perimeter 63395589
Area 1.9336426155891E+14
Altitude 18300730.187292

Triangular Pyramid

Length = n
Surface area 1.9336426155891E+14
Volume 1.1121083745157E+21
Height 9961655.7509367