20128631 is an odd 8-digits prime number following 20128630
and preceding 20128632 . In scientific notation, it is written as 2.0128631 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 20128630 positive integers (up to 20128631) that are relatively prime to 20128631.
20128631 has 2 divisors, whose sum is 20128632
The reverse of 20128631 is 13682102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million one hundred twenty-eight thousand six hundred thirty-one
Scientific notation
2.0128631 × 10^7
Engineering notation
2.0128631 × 10^6
Prime Factorization
20128631
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20128631
Product of the distinct prime numbers
The prime factorization of 20128631 is 20128631.
Since it has a total of 1 prime factors.
7 , 8 , 78 , 13 , 630 , 63 , 4424 , 7148 , 72837 , 2188 , 818082 , 403256 , 8215321 , 7751438 , 81475319 , 49952497 , 389436486 , 750021022 , 1361412045 , 5581092219
n×2
40257262
n×3
60385893
n×4
80514524
n×5
100643155
n÷2
10064315.5
n÷3
6709543.6666667
n÷3
5032157.75
n÷5
4025726.2
n2
405161785934161
n3
8.1553520843697E+21
n4
1.6415607278136E+29
n5
3.3042370154251E+36
2 √n
4486.4942884172
3 √n
272.02244894735
4 √n
66.981298049658
5 √n
28.891018188005
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20128632
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10064316
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4486.4943998628
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999900639
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20128631 can be divided by 2 positive divisors.
The sum of these divisors (counting 20128631) is 20128632, the average is 10064316.
Base
System
Value
2
Binary
1001100110010001101110111
3
Ternary
1101212122021212
4
Quaternary
1030302031313
5
Quinary
20123104011
6
Senary
1555232035
8
Octal
114621567
10
Decimal
20128631
12
Duodecimal
68a861b
16
Hexadecimal
1332377
20
Vigesimal
65g1bb
36
Base36
bzfcn
md5
2baf645c352dcd809c186e107d2bc4d7
sha1
2fef42bca429468b4a2df28f0fd0b5d6591ce524
sha256
6e504894a5cb971cd141cf8b500fb2807e7b6c7246b1d5c1cbafaa93852a22b4
sha512
49307416c089acc7359b4817666e30f2d1063c7783f56a3db0c97f5296219dcb46d7f1b5fabb137c17823ea4a57151e1d428d4d1ea240ee34c929dc30222bf7a
ripemd-160
feaebb6756e2861a89909fc05fa88db6c312a76a
Diameter
40257262
Circumference
126471918.55284
Area
1.2728532902061E+15
Volume
3.4161058927592E+22
Surface area
5.0914131608243E+15
Circumference
126471918.55284
Perimeter
80514524
Area
405161785934161
Diagonal
28466182.952204
Surface area
2430970715604966
Volume
8.1553520843697E+21
Space diagonal
34863811.578806
Perimeter
60385893
Area
1.7544019963083E+14
Altitude
17431905.789403
Surface area
1.7544019963083E+14
Volume
9.6111746030361E+20
Height
9488727.6507345