256331397 is an odd 9-digits composite number following 256331396
and preceding 256331398 . In scientific notation, it is written as 2.56331397 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 144462528 positive integers (up to 256331397) that are relatively prime to 256331397.
256331397 has 16 divisors, whose sum is 311117312
The reverse of 256331397 is 793133652
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
two hundred fifty-six million three hundred thirty-one thousand three hundred ninety-seven
Scientific notation
2.56331397 × 10^8
Engineering notation
2.56331397 × 10^6
Prime Factorization
21 × 7 × 73 × 23887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
256331397
Product of the distinct prime numbers
The prime factorization of 256331397 is 21 × 7 × 73 × 23887.
Since it has a total of 4 prime factors.
1 , 6 , 93 , 18 , 57 , 751 , 3498 , 2479 , 64717 , 22027 , 62644 , 517932 , 2188832 , 9688190 , 41976505 , 16141310 , 145259970 , 833941698 , 1420960150 , 3353240001
n×2
512662794
n×3
768994191
n×4
1025325588
n×5
1281656985
n÷2
128165698.5
n÷3
85443799
n÷3
64082849.25
n÷5
51266279.4
n2
65705785087971609
n3
1.6842455682582E+25
n4
4.3172501940267E+33
n5
1.1066467734334E+42
2 √n
16010.352806856
3 √n
635.23429219938
4 √n
126.53202285136
5 √n
48.057409955541
1 , 7 , 21 , 73 , 147 , 511 , 1533 , 10731 , 23887 , 167209 , 501627 , 1743751 , 3511389 , 12206257 , 36618771 , 256331397
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
-256331396
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 256331397 can be divided by 16 positive divisors.
The sum of these divisors (counting 256331397) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111010001110100111010000101
3
Ternary
122212022222120110
4
Quaternary
33101310322011
5
Quinary
1011110101042
6
Senary
41234023233
8
Octal
1721647205
10
Decimal
256331397
12
Duodecimal
71a17b19
16
Hexadecimal
f474e85
20
Vigesimal
402189h
36
Base36
48m2kl
md5
a89c91892e00aa6e1dae1eeb36a5451f
sha1
c2b53e295f10bb55ac268a088bbc50d062c41334
sha256
41191b1cd6bfbc7482b750192a2a3c743cbed460dfe23d979c65cc7bd8e35187
sha512
9831f41a1f389812f71be60b8d4f5c321a57cc2bc51b08fdf65a1c8832d8c910a99450f4406554d32de4d4e287c486fe746f2f23628de6a8c86a5fabd702a9b3
ripemd-160
e33a7ccffa7c63c9fac3a7add14bc57202b714e1
Diameter
512662794
Circumference
1610577667.3992
Area
2.0642081173072E+17
Volume
7.0549513387746E+25
Surface area
8.2568324692289E+17
Circumference
1610577667.3992
Perimeter
1025325588
Area
65705785087971609
Diagonal
362507338.09944
Surface area
394234710527829654
Volume
1.6842455682582E+25
Space diagonal
443979003.17911
Perimeter
768994191
Area
2.8451439530892E+16
Altitude
221989501.58955
Surface area
2.8451439530892E+16
Volume
1.9849024374979E+24
Height
120835779.36648