256404788 is an even 9-digits composite number following 256404787
and preceding 256404789 . In scientific notation, it is written as 2.56404788 × 10^8.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 127703040 positive integers (up to 256404788) that are relatively prime to 256404788.
256404788 has 12 divisors, whose sum is 450456132
The reverse of 256404788 is 887404652
Previous prime number is 257
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred fifty-six million four hundred four thousand seven hundred eighty-eight
Scientific notation
2.56404788 × 10^8
Engineering notation
2.56404788 × 10^6
Prime Factorization
2 × 2 × 257 × 249421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128202394
Product of the distinct prime numbers
The prime factorization of 256404788 is 2 × 2 × 257 × 249421.
Since it has a total of 4 prime factors.
8 , 8 , 46 , 72 , 89 , 606 , 5529 , 2155 , 985 , 74693 , 30479 , 401524 , 1701701 , 5906575 , 88151532 , 6859172 , 266140927 , 713431584 , 8022345513 , 4124989350
n×2
512809576
n×3
769214364
n×4
1025619152
n×5
1282023940
n÷2
128202394
n÷3
85468262.666667
n÷3
64101197
n÷5
51280957.6
n2
65743415309324944
n3
1.6856926464783E+25
n4
4.3221966565344E+33
n5
1.108231917413E+42
2 √n
16012.644628543
3 √n
635.29491168369
4 √n
126.54107881847
5 √n
48.060161532255
1 , 2 , 4 , 257 , 514 , 1028 , 249421 , 498842 , 997684 , 64101197 , 128202394 , 256404788
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-256404787
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 256404788 can be divided by 12 positive divisors.
The sum of these divisors (counting 256404788) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1111010010000110110100110100
3
Ternary
122212110201020122
4
Quaternary
33102012310310
5
Quinary
1011114423123
6
Senary
41235351112
8
Octal
1722066464
10
Decimal
256404788
12
Duodecimal
71a52498
16
Hexadecimal
f486d34
20
Vigesimal
402abj8
36
Base36
48nn78
md5
9c6fdf88f1921ab6a8800b65a2e48758
sha1
c603e436b36b0b4eba4e0158b100ff525244ea78
sha256
041e545242369d4aeca775688d3e5df82c2c74a95461d0b2a6afaad24e9dd8e0
sha512
c67937181cccd60565e5f3bc5bc650543c0828476b8b669bfa0912560d6b3c2d71083f6902b7d45c9d76f73d5d4a3e3d2b0829f810d7b9d3af96e195d8c5d50e
ripemd-160
2250370e99ca377811e5a8ba73ec4f2647c57ecd
Diameter
512809576
Circumference
1611038796.6521
Area
2.0653903055768E+17
Volume
7.0610128458489E+25
Surface area
8.2615612223071E+17
Circumference
1611038796.6521
Perimeter
1025619152
Area
65743415309324944
Diagonal
362611128.647
Surface area
394460491855949664
Volume
1.6856926464783E+25
Space diagonal
444106120.11993
Perimeter
769214364
Area
2.8467733894713E+16
Altitude
222053060.05996
Surface area
2.8467733894713E+16
Volume
1.9866078355352E+24
Height
120870376.21567