21931130 is an even 8-digits composite number following 21931129
and preceding 21931131 . In scientific notation, it is written as 2.1931130 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 32 positive divisors.
There are 7660224 positive integers (up to 21931130) that are relatively prime to 21931130.
21931130 has 32 divisors, whose sum is 37920960
The reverse of 21931130 is 03113912
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million nine hundred thirty-one thousand one hundred thirty
Scientific notation
2.1931130 × 10^7
Engineering notation
2.1931130 × 10^6
Prime Factorization
2 × 65 × 19 × 13 × 683
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21931130
Product of the distinct prime numbers
The prime factorization of 21931130 is 2 × 65 × 19 × 13 × 683.
Since it has a total of 5 prime factors.
9 , 6 , 68 , 17 , 123 , 866 , 4290 , 8211 , 60912 , 78814 , 276097 , 795957 , 4509168 , 1845924 , 17952218 , 97208542 , 202784091 , 320327672 , 2320259409 , 4122833695
n×2
43862260
n×3
65793390
n×4
87724520
n×5
109655650
n÷2
10965565
n÷3
7310376.6666667
n÷3
5482782.5
n÷5
4386226
n2
480974463076900
n3
1.054831347642E+22
n4
2.3133643413211E+29
n5
5.0734694106878E+36
2 √n
4683.0684385347
3 √n
279.91123887214
4 √n
68.432948486345
5 √n
29.390853759573
1 , 2 , 13 , 19 , 26 , 38 , 65 , 130 , 247 , 494 , 683 , 845 , 1235 , 1366 , 1690 , 2470 , 8879 , 12977 , 16055 , 17758 , 25954 , 32110 , 44395 , 88790 , 168701 , 337402 , 577135 , 843505 , 1154270 , 1687010 , 10965565 , 21931130
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21931129
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21931130 can be divided by 32 positive divisors.
The sum of these divisors (counting 21931130) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010011101010010001111010
3
Ternary
1112021012212002
4
Quaternary
1103222101322
5
Quinary
21103244010
6
Senary
2102021002
8
Octal
123522172
10
Decimal
21931130
12
Duodecimal
7417762
16
Hexadecimal
14ea47a
20
Vigesimal
6h17ga
36
Base36
d2262
md5
b01053fbd09ad541a4c81fd75a169309
sha1
efe4764c94b21c409ac391f237edc47165880ca1
sha256
a2b63d8c2712b88f47702fd6c4d2f9142d3075b4853087973f3dfd856868a30b
sha512
0b80d39728c8c9373a8fc9fa9d693b0f5fb6c4274595b2cca4057fb97338ab27ef89e51171bd5b87edb1b313d02c201f7cf2f704969e305b5cfada7509203b9a
ripemd-160
b5581b310c3fc98f64a2ed15dbf1356eff133e4f
Diameter
43862260
Circumference
137797353.78585
Area
1.5110258397667E+15
Volume
4.4184672167043E+22
Surface area
6.0441033590667E+15
Circumference
137797353.78585
Perimeter
87724520
Area
480974463076900
Diagonal
31015301.484167
Surface area
2885846778461400
Volume
1.054831347642E+22
Space diagonal
37985831.427398
Perimeter
65793390
Area
2.0826805179809E+14
Altitude
18992915.713699
Surface area
2.0826805179809E+14
Volume
1.2431306648763E+21
Height
10338433.828056