21131869 (number)

21131869 is an odd 8-digits composite number following 21131868 and preceding 21131870. In scientific notation, it is written as 2.1131869 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 19210780 positive integers (up to 21131869) that are relatively prime to 21131869.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1131869 × 10^7
Engineering notation 2.1131869 × 10^6

Prime Factorization of 21131869

Prime Factorization 11 × 1921079

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21131869
Product of the distinct prime numbers

The prime factorization of 21131869 is 11 × 1921079. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21131869)

Multiplication

n×y
n×2 42263738
n×3 63395607
n×4 84527476
n×5 105659345

Division

n÷y
n÷2 10565934.5
n÷3 7043956.3333333
n÷3 5282967.25
n÷5 4226373.8

Exponentiation

ny
n2 446555887433161
n3 9.4365605144163E+21
n4 1.9941216060122E+29
n5 4.2139516548319E+36

Nth Root

y√n
2√n 4596.9412656679
3√n 276.46869968885
4√n 67.800746792848
5√n 29.173435954157

Divisors of 21131869

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 -21131868
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 21131869 can be divided by 4 positive divisors. The sum of these divisors (counting 21131869) is 1, the average is 0.25.

Base conversion 21131869

Base System Value
2 Binary 1010000100111001001011101
3 Ternary 1110202121110211
4 Quaternary 1100213021131
5 Quinary 20402204434
6 Senary 2032532421
8 Octal 120471135
10 Decimal 21131869
12 Duodecimal 70b1111
16 Hexadecimal 142725d
20 Vigesimal 6c19d9
36 Base36 ckxgd

Cryptographic Hash Functions

md5 c105b2578ed75247843700c5658ddd36
sha1 451448dca0fbb79772afdc2cc4c98886cbcbe714
sha256 6b67792787de71eee76f34da3f132f08198752df6841f4228e46673d7f4f30f8
sha512 f06ac41a01440fed62a47b6d1ae0885c48f553379741c2affe9719e1b248a52a84e279aab794ea0b3d246f8f7d4862849c2938bd5a355829055f1fb1b2ebaf01
ripemd-160 5c6a649fe0f435901109103c02485267cfccc110

21131869 as geometric shapes

Circle

Radius = n
Diameter 42263738
Circumference 132775448.81404
Area 1.4028966953773E+15

Sphere

Radius = n
Volume 3.9527772249661E+22
Surface area 5.6115867815092E+15
Circumference 132775448.81404

Square

Length = n
Perimeter 84527476
Area 446555887433161
Diagonal 29884975.738092

Cube

Length = n
Surface area 2679335324598966
Volume 9.4365605144163E+21
Space diagonal 36601470.76689

Equilateral Triangle

Length = n
Perimeter 63395607
Area 1.9336437136331E+14
Altitude 18300735.383445

Triangular Pyramid

Length = n
Surface area 1.9336437136331E+14
Volume 1.1121093218035E+21
Height 9961658.5793639