256410081 is an odd 9-digits composite number following 256410080
and preceding 256410082 . In scientific notation, it is written as 2.56410081 × 10^8.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 170940048 positive integers (up to 256410081) that are relatively prime to 256410081.
256410081 has 4 divisors, whose sum is 284900100
The reverse of 256410081 is 180014652
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred fifty-six million four hundred ten thousand eighty-one
Scientific notation
2.56410081 × 10^8
Engineering notation
2.56410081 × 10^6
Prime Factorization
9 × 28490009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
256410081
Product of the distinct prime numbers
The prime factorization of 256410081 is 9 × 28490009.
Since it has a total of 2 prime factors.
5 , 10 , 29 , 45 , 348 , 703 , 5060 , 7034 , 77486 , 28948 , 984575 , 231181 , 4093876 , 4370311 , 34294072 , 67983167 , 918630177 , 897769755 , 2325720811 , 1871174722
n×2
512820162
n×3
769230243
n×4
1025640324
n×5
1282050405
n÷2
128205040.5
n÷3
85470027
n÷3
64102520.25
n÷5
51282016.2
n2
65746129638426561
n3
1.6857970426025E+25
n4
4.3225535624328E+33
n5
1.1083463090702E+42
2 √n
16012.809903324
3 √n
635.2992831476
4 √n
126.54173186473
5 √n
48.060359953148
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
-256410080
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 256410081 can be divided by 4 positive divisors.
The sum of these divisors (counting 256410081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111010010001000000111100001
3
Ternary
122212110222111200
4
Quaternary
33102020013201
5
Quinary
1011120110311
6
Senary
41235431413
8
Octal
1722100741
10
Decimal
256410081
12
Duodecimal
71a55569
16
Hexadecimal
f4881e1
20
Vigesimal
402b541
36
Base36
48nra9
md5
d862fd06c11d9acc6b92ccd29851f1f6
sha1
90d7d41660740d2877fcda33c4d522ed924109cf
sha256
bbf8ecfd662b9195487df1975028d1cc3773ee9c6490757ec053df1d6a47c5dc
sha512
766a64ff9578c677e0dc249495a6294dcfe3cfc5da9f1d8f149add0f29f28b69d96c72e896c7d40e8910407e26fa858f3db7388de5857a538d4e39f91eac8637
ripemd-160
9560e785a86c141385d41dd9b26cbc22d3051602
Diameter
512820162
Circumference
1611072053.5519
Area
2.0654755787404E+17
Volume
7.0614501393114E+25
Surface area
8.2619023149617E+17
Circumference
1611072053.5519
Perimeter
1025640324
Area
65746129638426561
Diagonal
362618614.07938
Surface area
394476777830559366
Volume
1.6857970426025E+25
Space diagonal
444115287.86485
Perimeter
769230243
Area
2.8468909233691E+16
Altitude
222057643.93243
Surface area
2.8468909233691E+16
Volume
1.9867308675475E+24
Height
120872871.35979