21931329 is an odd 8-digits composite number following 21931328
and preceding 21931330 . In scientific notation, it is written as 2.1931329 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 12506832 positive integers (up to 21931329) that are relatively prime to 21931329.
21931329 has 16 divisors, whose sum is 33486848
The reverse of 21931329 is 92313912
Previous prime number is 1327
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million nine hundred thirty-one thousand three hundred twenty-nine
Scientific notation
2.1931329 × 10^7
Engineering notation
2.1931329 × 10^6
Prime Factorization
3 × 7 × 1327 × 787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21931329
Product of the distinct prime numbers
The prime factorization of 21931329 is 3 × 7 × 1327 × 787.
Since it has a total of 4 prime factors.
6 , 4 , 58 , 48 , 54 , 180 , 6564 , 5911 , 89574 , 36708 , 56735 , 363051 , 7825101 , 725130 , 95731574 , 41164706 , 962081943 , 497210482 , 9281381366 , 3377608115
n×2
43862658
n×3
65793987
n×4
87725316
n×5
109656645
n÷2
10965664.5
n÷3
7310443
n÷3
5482832.25
n÷5
4386265.8
n2
480983191706241
n3
1.054860062078E+22
n4
2.3134483070392E+29
n5
5.073699594617E+36
2 √n
4683.0896852399
3 √n
279.9120854947
4 √n
68.433103723562
5 √n
29.390907097077
1 , 3 , 7 , 21 , 787 , 1327 , 2361 , 3981 , 5509 , 9289 , 16527 , 27867 , 1044349 , 3133047 , 7310443 , 21931329
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931328
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931329 can be divided by 16 positive divisors.
The sum of these divisors (counting 21931329) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011101010010101000001
3
Ternary
1112021020010110
4
Quaternary
1103222111001
5
Quinary
21103300304
6
Senary
2102021533
8
Octal
123522501
10
Decimal
21931329
12
Duodecimal
74178a9
16
Hexadecimal
14ea541
20
Vigesimal
6h1869
36
Base36
d22bl
md5
42e8f6af299d92be70777c284a04a9ca
sha1
34c05e0ecb19d427f6c396de60d78fce4dcc4d11
sha256
502c341fa41f9ce613b4c1d4e29ea23a25a1a3d2e3821fda1a59842a328ac7bb
sha512
7460c954a04ff6bef2071be1e302a0baeae4376c3a98fafc46a643bb553f1320450d06bd6cd1be5645c034d5dfb47077d88d126c690ad6ba49cbf9098abd02b4
ripemd-160
918b19bd17527102d7c1d5f457f73b44ade90a4e
Diameter
43862658
Circumference
137798604.13972
Area
1.5110532615645E+15
Volume
4.4185874954525E+22
Surface area
6.044213046258E+15
Circumference
137798604.13972
Perimeter
87725316
Area
480983191706241
Diagonal
31015582.912666
Surface area
2885899150237446
Volume
1.054860062078E+22
Space diagonal
37986176.105509
Perimeter
65793987
Area
2.0827183140546E+14
Altitude
18993088.052754
Surface area
2.0827183140546E+14
Volume
1.2431645051637E+21
Height
10338527.637555