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.
21931929 has 8 divisors, whose sum is 24454920
The reverse of 21931929 is 92913912
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million nine hundred thirty-one thousand nine hundred twenty-nine
Scientific notation
2.1931929 × 10^7
Engineering notation
2.1931929 × 10^6
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.
10 , 9 , 40 , 98 , 463 , 324 , 8773 , 2895 , 41827 , 43133 , 968548 , 77826 , 8404434 , 7356062 , 43204161 , 61087125 , 939658365 , 1224724 , 2970310317 , 9254732109
n×2
43863858
n×3
65795787
n×4
87727716
n×5
109659645
n÷2
10965964.5
n÷3
7310643
n÷3
5482982.25
n÷5
4386385.8
n2
481009509661041
n3
1.0549466414211E+22
n4
2.3137014838436E+29
n5
5.0743936670851E+36
2 √n
4683.1537450739
3 √n
279.91463809452
4 √n
68.433571769081
5 √n
29.391067911328
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
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
md5
7d12bf03643b5b1318b0ff2782b04ccb
sha1
0cb1f3f076704822fcb4391e599602f812c30d20
sha256
6f7b9248b53e98d3998f67e5d4cc7a165b71f1cda74f17d7449ea34af479bdff
sha512
6746323d880e2c4659c0ece48b82a6fa59a301aa4873b3091bbc3fdad5b30618e8aee52fa7e04a06fff77f937184945d593423a0a201d6c46017d9a69bad6fae
ripemd-160
17c3a0103b68a493e7dd7e36125e79508a632b91
Diameter
43863858
Circumference
137802374.05091
Area
1.511135941858E+15
Volume
4.4189501581569E+22
Surface area
6.0445437674318E+15
Circumference
137802374.05091
Perimeter
87727716
Area
481009509661041
Diagonal
31016431.440804
Surface area
2886057057966246
Volume
1.0549466414211E+22
Space diagonal
37987215.335993
Perimeter
65795787
Area
2.0828322741418E+14
Altitude
18993607.667997
Surface area
2.0828322741418E+14
Volume
1.243266539898E+21
Height
10338810.480268