21931929 (number)

21931929 is an odd 8-digits composite number following 21931928 and preceding 21931930. In scientific notation, it is written as 2.1931929 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 14569632 positive integers (up to 21931929) that are relatively prime to 21931929.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1931929 × 10^7
Engineering notation 2.1931929 × 10^6

Prime Factorization of 21931929

Prime Factorization 9 × 293 × 8317

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21931929
Product of the distinct prime numbers

The prime factorization of 21931929 is 9 × 293 × 8317. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21931929)

Multiplication

n×y
n×2 43863858
n×3 65795787
n×4 87727716
n×5 109659645

Division

n÷y
n÷2 10965964.5
n÷3 7310643
n÷3 5482982.25
n÷5 4386385.8

Exponentiation

ny
n2 481009509661041
n3 1.0549466414211E+22
n4 2.3137014838436E+29
n5 5.0743936670851E+36

Nth Root

y√n
2√n 4683.1537450739
3√n 279.91463809452
4√n 68.433571769081
5√n 29.391067911328

Divisors of 21931929

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21931928
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21931929 can be divided by 8 positive divisors. The sum of these divisors (counting 21931929) is 1, the average is 0.125.

Base conversion 21931929

Base System Value
2 Binary 1010011101010011110011001
3 Ternary 1112021020221200
4 Quaternary 1103222132121
5 Quinary 21103310204
6 Senary 2102024413
8 Octal 123523631
10 Decimal 21931929
12 Duodecimal 7418109
16 Hexadecimal 14ea799
20 Vigesimal 6h19g9
36 Base36 d22s9

Cryptographic Hash Functions

md5 7d12bf03643b5b1318b0ff2782b04ccb
sha1 0cb1f3f076704822fcb4391e599602f812c30d20
sha256 6f7b9248b53e98d3998f67e5d4cc7a165b71f1cda74f17d7449ea34af479bdff
sha512 6746323d880e2c4659c0ece48b82a6fa59a301aa4873b3091bbc3fdad5b30618e8aee52fa7e04a06fff77f937184945d593423a0a201d6c46017d9a69bad6fae
ripemd-160 17c3a0103b68a493e7dd7e36125e79508a632b91

21931929 as geometric shapes

Circle

Radius = n
Diameter 43863858
Circumference 137802374.05091
Area 1.511135941858E+15

Sphere

Radius = n
Volume 4.4189501581569E+22
Surface area 6.0445437674318E+15
Circumference 137802374.05091

Square

Length = n
Perimeter 87727716
Area 481009509661041
Diagonal 31016431.440804

Cube

Length = n
Surface area 2886057057966246
Volume 1.0549466414211E+22
Space diagonal 37987215.335993

Equilateral Triangle

Length = n
Perimeter 65795787
Area 2.0828322741418E+14
Altitude 18993607.667997

Triangular Pyramid

Length = n
Surface area 2.0828322741418E+14
Volume 1.243266539898E+21
Height 10338810.480268