397887906 is an even 9-digits composite number following 397887905
and preceding 397887907 . In scientific notation, it is written as 3.97887906 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 122427024 positive integers (up to 397887906) that are relatively prime to 397887906.
397887906 has 16 divisors, whose sum is 856989504
The reverse of 397887906 is 609788793
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 57
Digital Root 3
Name
three hundred ninety-seven million eight hundred eighty-seven thousand nine hundred six
Scientific notation
3.97887906 × 10^8
Engineering notation
3.97887906 × 10^6
Prime Factorization
2 × 3 × 13 × 5101127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
397887906
Product of the distinct prime numbers
The prime factorization of 397887906 is 2 × 3 × 13 × 5101127.
Since it has a total of 4 prime factors.
2 , 5 , 37 , 38 , 493 , 537 , 4293 , 6529 , 51828 , 13429 , 159594 , 968727 , 7070347 , 4106437 , 68262802 , 34011192 , 331266872 , 169663029 , 7555802301 , 3518525193
n×2
795775812
n×3
1193663718
n×4
1591551624
n×5
1989439530
n÷2
198943953
n÷3
132629302
n÷3
99471976.5
n÷5
79577581.2
n2
158314785741064836
n3
6.2991538587351E+25
n4
2.5063571384239E+34
n5
9.9724919349565E+42
2 √n
19947.127763164
3 √n
735.50717367031
4 √n
141.23430094408
5 √n
52.474963811471
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 5101127 , 10202254 , 15303381 , 30606762 , 66314651 , 132629302 , 198943953 , 397887906
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-397887905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397887906 can be divided by 16 positive divisors.
The sum of these divisors (counting 397887906) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111101101110100100110100010
3
Ternary
1000201200210121010
4
Quaternary
113231310212202
5
Quinary
1303324403111
6
Senary
103252041350
8
Octal
2755644642
10
Decimal
397887906
12
Duodecimal
b1303256
16
Hexadecimal
17b749a2
20
Vigesimal
646fjf6
36
Base36
6kw49u
md5
9c6cfffbf732334349d06f0a2fee8ae1
sha1
31aee958da8d05bd551b649fe3c05303cc2ca828
sha256
c85333dba4cb37e65aefa9a3c581057e3120d7cfc359f4a7354180f573ef406f
sha512
2e177ef012d673bb35e73f4d2457e2792ad013562ae5466b4aab048b3533d0966aa8de46b9c91dd8a61721d4fa62d3fd4bfe8a991e5952c77022337a454a4d20
ripemd-160
3d87d7e9a4ba8fc5f49362707b97192859ff0dbc
Diameter
795775812
Circumference
2500003444.8837
Area
4.9736056783877E+17
Volume
2.6385833981912E+26
Surface area
1.9894422713551E+18
Circumference
2500003444.8837
Perimeter
1591551624
Area
158314785741064836
Diagonal
562698472.96943
Surface area
949888714446389016
Volume
6.2991538587351E+25
Space diagonal
689162068.90919
Perimeter
1193663718
Area
6.8552313123226E+16
Altitude
344581034.45459
Surface area
6.8552313123226E+16
Volume
7.423624015415E+24
Height
187566157.65648