397805905 is an odd 9-digits composite number following 397805904
and preceding 397805906 . In scientific notation, it is written as 3.97805905 × 10^8.
The sum of its digits is 46. It has a total of 5 prime factors and 32 positive divisors.
There are 262386432 positive integers (up to 397805905) that are relatively prime to 397805905.
397805905 has 32 divisors, whose sum is 566496000
The reverse of 397805905 is 509508793
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
three hundred ninety-seven million eight hundred five thousand nine hundred five
Scientific notation
3.97805905 × 10^8
Engineering notation
3.97805905 × 10^6
Prime Factorization
7 × 5 × 29 × 349 × 1123
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
397805905
Product of the distinct prime numbers
The prime factorization of 397805905 is 7 × 5 × 29 × 349 × 1123.
Since it has a total of 5 prime factors.
9 , 5 , 12 , 20 , 704 , 24 , 1085 , 607 , 39698 , 25151 , 958781 , 998947 , 8992457 , 1588459 , 29675001 , 33405337 , 781719274 , 595847764 , 26498067 , 498053504
n×2
795611810
n×3
1193417715
n×4
1591223620
n×5
1989029525
n÷2
198902952.5
n÷3
132601968.33333
n÷3
99451476.25
n÷5
79561181
n2
158249538052869025
n3
6.2952600700954E+25
n4
2.5042916293946E+34
n5
9.9622199801526E+42
2 √n
19945.072198415
3 √n
735.45664313429
4 √n
141.22702361239
5 √n
52.472800712664
1 , 5 , 7 , 29 , 35 , 145 , 203 , 349 , 1015 , 1123 , 1745 , 2443 , 5615 , 7861 , 10121 , 12215 , 32567 , 39305 , 50605 , 70847 , 162835 , 227969 , 354235 , 391927 , 1139845 , 1959635 , 2743489 , 11365883 , 13717445 , 56829415 , 79561181 , 397805905
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-397805904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397805905 can be divided by 32 positive divisors.
The sum of these divisors (counting 397805905) is 1, the average is 0.03125.
Base
System
Value
2
Binary
10111101101100000100101010001
3
Ternary
1000201112122010001
4
Quaternary
113231200211101
5
Quinary
1303314242110
6
Senary
103250210001
8
Octal
2755404521
10
Decimal
397805905
12
Duodecimal
b1283901
16
Hexadecimal
17b60951
20
Vigesimal
6465ef5
36
Base36
6kud01
md5
29e9af19dc6807db3363630fc85ae711
sha1
0c27abd9298b073ddac6c226c87a7abd26ff9eef
sha256
f3200953c12c030a49d37980daf35f4fde4f6f45ff5129209c8589a57a64d099
sha512
8ec34003b471b71d292705107adee1720cebe5e893e1c2ee0922e1a8ae1f6d58b141f0879a82f17d2d860dfed4f3b812b82594f325d73ac1f71abd393554cc79
ripemd-160
1cd06fb5764ffb495aa14efeb7aea63a2c40359b
Diameter
795611810
Circumference
2499488217.4053
Area
4.9715558618087E+17
Volume
2.6369523718198E+26
Surface area
1.9886223447235E+18
Circumference
2499488217.4053
Perimeter
1591223620
Area
158249538052869025
Diagonal
562582506.0431
Surface area
949497228317214150
Volume
6.2952600700954E+25
Space diagonal
689020039.01092
Perimeter
1193417715
Area
6.8524060045468E+16
Altitude
344510019.50546
Surface area
6.8524060045468E+16
Volume
7.4190351414955E+24
Height
187527502.01437