21030131 is an odd 8-digits composite number following 21030130
and preceding 21030132 . In scientific notation, it is written as 2.1030131 × 10^7.
The sum of its digits is 11. It has a total of 3 prime factors and 8 positive divisors.
There are 19853640 positive integers (up to 21030131) that are relatively prime to 21030131.
21030131 has 8 divisors, whose sum is 22214400
The reverse of 21030131 is 13103012
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 11
Digital Root 2
Name
twenty-one million thirty thousand one hundred thirty-one
Scientific notation
2.1030131 × 10^7
Engineering notation
2.1030131 × 10^6
Prime Factorization
19 × 311 × 3559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21030131
Product of the distinct prime numbers
The prime factorization of 21030131 is 19 × 311 × 3559.
Since it has a total of 3 prime factors.
9 , 8 , 4 , 4 , 794 , 346 , 315 , 8788 , 73138 , 1240 , 398504 , 997238 , 8929565 , 4801336 , 49968954 , 5750478 , 957026957 , 202254361 , 578450911 , 16934833
n×2
42060262
n×3
63090393
n×4
84120524
n×5
105150655
n÷2
10515065.5
n÷3
7010043.6666667
n÷3
5257532.75
n÷5
4206026.2
n2
442266409877161
n3
9.3009205366164E+21
n4
1.9559957730563E+29
n5
4.1134847342821E+36
2 √n
4585.8620781703
3 √n
276.02430560297
4 √n
67.718993481668
5 √n
29.14529098145
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
-21030130
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 21030131 can be divided by 8 positive divisors.
The sum of these divisors (counting 21030131) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110010011110011
3
Ternary
1110120102220202
4
Quaternary
1100032103303
5
Quinary
20340431011
6
Senary
2030425415
8
Octal
120162363
10
Decimal
21030131
12
Duodecimal
706226b
16
Hexadecimal
140e4f3
20
Vigesimal
6b8f6b
36
Base36
ciqyb
md5
4ee54ecea3e9a83181d94166dd30b0a7
sha1
0547da45fe62abe681d454fdab4afd824cf85b1c
sha256
3524cd27c3cb19fb46dd278c72a132a209ecfea7890f1a1eefd431ea43355eab
sha512
83fe026225f884b84f18cced398338b017ab768b5809b042cb4e57ea6d3b4817679bfd41836dc5828d10185704429f746ab7bf00bed71c6ab1ebe856422be108
ripemd-160
bb2d5cbe5ee8f50e72a5eb46957cf4f756daba88
Diameter
42060262
Circumference
132136210.10726
Area
1.3894209041996E+15
Volume
3.8959604839275E+22
Surface area
5.5576836167985E+15
Circumference
132136210.10726
Perimeter
84120524
Area
442266409877161
Diagonal
29741096.478683
Surface area
2653598459262966
Volume
9.3009205366164E+21
Space diagonal
36425255.381829
Perimeter
63090393
Area
1.9150697309708E+14
Altitude
18212627.690915
Surface area
1.9150697309708E+14
Volume
1.0961239971198E+21
Height
9913698.8262276