397998421 is an odd 9-digits prime number following 397998420
and preceding 397998422 . In scientific notation, it is written as 3.97998421 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 397998420 positive integers (up to 397998421) that are relatively prime to 397998421.
397998421 has 2 divisors, whose sum is 397998422
The reverse of 397998421 is 124899793
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred ninety-seven million nine hundred ninety-eight thousand four hundred twenty-one
Scientific notation
3.97998421 × 10^8
Engineering notation
3.97998421 × 10^6
Prime Factorization
397998421
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
397998421
Product of the distinct prime numbers
The prime factorization of 397998421 is 397998421.
Since it has a total of 1 prime factors.
7 , 6 , 85 , 51 , 669 , 313 , 747 , 7243 , 50042 , 93938 , 74409 , 188000 , 264438 , 413816 , 64729468 , 71741838 , 407507001 , 231469867 , 9914493199 , 2662700509
n×2
795996842
n×3
1193995263
n×4
1591993684
n×5
1989992105
n÷2
198999210.5
n÷3
132666140.33333
n÷3
99499605.25
n÷5
79599684.2
n2
158402743118493241
n3
6.3044041643229E+25
n4
2.5091429027463E+34
n5
9.986349133564E+42
2 √n
19949.897769162
3 √n
735.57526407929
4 √n
141.24410702455
5 √n
52.477878515003
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
397998422
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
198999211
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19949.897794224
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999949749
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397998421 can be divided by 2 positive divisors.
The sum of these divisors (counting 397998421) is 397998422, the average is 198999211.
Base
System
Value
2
Binary
10111101110001111100101010101
3
Ternary
1000201220102012021
4
Quaternary
113232033211111
5
Quinary
1303341422141
6
Senary
103254253141
8
Octal
2756174525
10
Decimal
397998421
12
Duodecimal
b13571b1
16
Hexadecimal
17b8f955
20
Vigesimal
6479g11
36
Base36
6kyhjp
md5
47dc080e71d5e5897859bcbdee7e0050
sha1
1fbdc76ad2cb3f89f4efc63364a3fc6f28692f0c
sha256
c1da0aacf2d406a720442e307dc6f3ad83adbbe8a6a1bd6da62600562738283b
sha512
7f695f5938a865eda0b10aff8bfa4ea65a23ab17feb6296b5ae832572e810a1482751286ac79200ef35790ef33493bc0a6d9354949e3c4183cb331b857b315f3
ripemd-160
1b1ed4a7b418d0d72740c8638e507d8a1796ff16
Diameter
795996842
Circumference
2500697831.1079
Area
4.9763689408953E+17
Volume
2.640782641053E+26
Surface area
1.9905475763581E+18
Circumference
2500697831.1079
Perimeter
1591993684
Area
158402743118493241
Diagonal
562854764.78128
Surface area
950416458710959446
Volume
6.3044041643229E+25
Space diagonal
689353486.50419
Perimeter
1193995263
Area
6.8590399784878E+16
Altitude
344676743.25209
Surface area
6.8590399784878E+16
Volume
7.429811559889E+24
Height
187618254.92709