397128631 is an odd 9-digits composite number following 397128630
and preceding 397128632 . In scientific notation, it is written as 3.97128631 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 373111200 positive integers (up to 397128631) that are relatively prime to 397128631.
397128631 has 8 divisors, whose sum is 403065504
The reverse of 397128631 is 136821793
Previous prime number is 71
Is Prime? no Number parity odd Number length 9 Sum of Digits 40 Digital Root 4
Name
three hundred ninety-seven million one hundred twenty-eight thousand six hundred thirty-one
Scientific notation
3.97128631 × 10^8
Engineering notation
3.97128631 × 10^6
Prime Factorization
2077 × 71 × 2693
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
397128631 Product of the distinct prime numbers
The prime factorization of 397128631 is 2077 × 71 × 2693.
Since it has a total of 3 prime factors.
9 , 7 , 12 , 11 , 78 , 924 , 3456 , 7845 , 43 , 84040 , 592382 , 761933 , 4206698 , 7743560 , 92005953 , 43145619 , 534407981 , 172667249 , 6995207432 , 112493906
n×2
794257262
n×3
1191385893
n×4
1588514524
n×5
1985643155
n÷2
198564315.5
n÷3
132376210.33333
n÷3
99282157.75
n÷5
79425726.2
n2
157711149559934161
n3
6.2631612918173E+25
n4
2.4872806695516E+34
n5
9.8777036721179E+42
2 √n19928.086486163
3 √n735.03902857835
4 √n141.16687460649
5 √n52.454921294602
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
-397128630 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 397128631 can be divided by 8 positive divisors.
The sum of these divisors (counting 397128631) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101010111011001110110111
3
Ternary
1000200021020001211
4
Quaternary
113222323032313
5
Quinary
1303131104011
6
Senary
103223502251
8
Octal
2752731667
10
Decimal
397128631
12
Duodecimal
b0bb7987
16
Hexadecimal
17abb3b7
20
Vigesimal
64211bb
36
Base36
6kfuev
md5
97699f5ea7cfd8e681b50211e0d71994
sha1
4b3f7073226394029502d933efb599d0a247cdad
sha256
a2fcf162d25f89997db83f34285035addcc3b27e2453f3e3607cf7d898f0dc6d
sha512
be5d5a883e1cda5dc839ec58d95d8104b70c3e8bd8c2744541bc7034589266f146cfac65771c76edae81c58fc22d45af896aef44f7abba8cf0802d888c6a7117
ripemd-160
97f78beee21a7178d0754d3060f18d50886089ba
Diameter
794257262
Circumference
2495232779.3595
Area
4.9546418884669E+17
Volume
2.6235068670162E+26
Surface area
1.9818567553868E+18
Circumference
2495232779.3595
Perimeter
1588514524
Area
157711149559934161
Diagonal
561624695.96686
Surface area
946266897359604966
Volume
6.2631612918173E+25
Space diagonal
687846966.03227
Perimeter
1191385893
Area
6.8290930989475E+16
Altitude
343923483.01614
Surface area
6.8290930989475E+16
Volume
7.3812063685152E+24
Height
187208231.98895