397138885 is an odd 9-digits composite number following 397138884
and preceding 397138886 . In scientific notation, it is written as 3.97138885 × 10^8.
The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors.
There are 266610240 positive integers (up to 397138885) that are relatively prime to 397138885.
397138885 has 8 divisors, whose sum is 479900160
The reverse of 397138885 is 588831793
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred ninety-seven million one hundred thirty-eight thousand eight hundred eighty-five
Scientific notation
3.97138885 × 10^8
Engineering notation
3.97138885 × 10^6
Prime Factorization
143 × 5 × 555439
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397138885
Product of the distinct prime numbers
The prime factorization of 397138885 is 143 × 5 × 555439.
Since it has a total of 3 prime factors.
2 , 4 , 3 , 7 , 42 , 959 , 5430 , 637 , 19962 , 22736 , 807619 , 223762 , 372815 , 6540811 , 57689610 , 4618317 , 881736361 , 455322864 , 3353795117 , 2702074521
n×2
794277770
n×3
1191416655
n×4
1588555540
n×5
1985694425
n÷2
198569442.5
n÷3
132379628.33333
n÷3
99284721.25
n÷5
79427777
n2
157719293979043225
n3
6.2636464553824E+25
n4
2.4875375693248E+34
n5
9.8789789667726E+42
2 √n
19928.34375958
3 √n
735.04535484541
4 √n
141.16778584217
5 √n
52.455192172684
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
-397138884
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 397138885 can be divided by 8 positive divisors.
The sum of these divisors (counting 397138885) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101010111101101111000101
3
Ternary
1000200021202010121
4
Quaternary
113222331233011
5
Quinary
1303131421020
6
Senary
103224021541
8
Octal
2752755705
10
Decimal
397138885
12
Duodecimal
b10018b1
16
Hexadecimal
17abdbc5
20
Vigesimal
6422745
36
Base36
6kg2bp
md5
2403c70a6defeba0f07a9af92435d875
sha1
9b2384cb9231e255e5698c066955a287930c96ca
sha256
51c893f4daf34d1172e3d1e1af300ac82dc32b76b3404b2cfb04a26ca270cae7
sha512
63a20a38f2836c4e3ff6deb4178b8be669fda0d703ef89e634f038d8d5fefd51ec3c5bdd5376e36e1329d3b223af12a6e50931660091ff3c831d780f615db016
ripemd-160
3240f773f8e56dd022cc869917d2bcc6a5910dab
Diameter
794277770
Circumference
2495297207.1417
Area
4.9548977529393E+17
Volume
2.6237100918551E+26
Surface area
1.9819591011757E+18
Circumference
2495297207.1417
Perimeter
1588555540
Area
157719293979043225
Diagonal
561639197.31273
Surface area
946315763874259350
Volume
6.2636464553824E+25
Space diagonal
687864726.48125
Perimeter
1191416655
Area
6.8294457626399E+16
Altitude
343932363.24063
Surface area
6.8294457626399E+16
Volume
7.38177813926E+24
Height
187213065.77091