397128893 is an odd 9-digits composite number following 397128892
and preceding 397128894 . In scientific notation, it is written as 3.97128893 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 340396188 positive integers (up to 397128893) that are relatively prime to 397128893.
397128893 has 4 divisors, whose sum is 453861600
The reverse of 397128893 is 398821793
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
three hundred ninety-seven million one hundred twenty-eight thousand eight hundred ninety-three
Scientific notation
3.97128893 × 10^8
Engineering notation
3.97128893 × 10^6
Prime Factorization
7 × 56732699
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
397128893
Product of the distinct prime numbers
The prime factorization of 397128893 is 7 × 56732699.
Since it has a total of 2 prime factors.
1 , 7 , 100 , 23 , 478 , 983 , 5128 , 5614 , 27703 , 92551 , 593909 , 697917 , 5691531 , 7121529 , 87364036 , 66766638 , 637096351 , 890781348 , 891847876 , 596153868
n×2
794257786
n×3
1191386679
n×4
1588515572
n×5
1985644465
n÷2
198564446.5
n÷3
132376297.66667
n÷3
99282223.25
n÷5
79425778.6
n2
157711357655405449
n3
6.2631736879218E+25
n4
2.4872872333511E+34
n5
9.8777362555376E+42
2 √n
19928.093059799
3 √n
735.03919022218
4 √n
141.16689788969
5 √n
52.454928215879
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-397128892
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397128893 can be divided by 4 positive divisors.
The sum of these divisors (counting 397128893) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111101010111011010010111101
3
Ternary
1000200021020102112
4
Quaternary
113222323102331
5
Quinary
1303131111033
6
Senary
103223503405
8
Octal
2752732275
10
Decimal
397128893
12
Duodecimal
b0bb7b65
16
Hexadecimal
17abb4bd
20
Vigesimal
642124d
36
Base36
6kfum5
md5
039863183791298a1bc57720c3c8fd35
sha1
751414ce7ff4f6465716d4938707e487a22f4b8c
sha256
a56f160766a66a0d54fa8a843cc8646ce42cc43bb180e0d812078e54cd20573d
sha512
bc8b08a9d9e0413182ff05e6512817d61f9a581b94f3f945f14c605009125309b7194b0305370244747031d5147e053673d2ef61f92b7868f1bb8f135164009c
ripemd-160
7afb7dd8584b3305b6637b6faaaf62addd8d864a
Diameter
794257786
Circumference
2495234425.5541
Area
4.9546484259789E+17
Volume
2.6235120594843E+26
Surface area
1.9818593703916E+18
Circumference
2495234425.5541
Perimeter
1588515572
Area
157711357655405449
Diagonal
561625066.49081
Surface area
946268145932432694
Volume
6.2631736879218E+25
Space diagonal
687847419.82958
Perimeter
1191386679
Area
6.8291021097457E+16
Altitude
343923709.91479
Surface area
6.8291021097457E+16
Volume
7.3812209774645E+24
Height
187208355.49694