256404789 is an odd 9-digits composite number following 256404788
and preceding 256404790 . In scientific notation, it is written as 2.56404789 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 170936520 positive integers (up to 256404789) that are relatively prime to 256404789.
256404789 has 4 divisors, whose sum is 284894220
The reverse of 256404789 is 987404652
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred fifty-six million four hundred four thousand seven hundred eighty-nine
Scientific notation
2.56404789 × 10^8
Engineering notation
2.56404789 × 10^6
Prime Factorization
9 × 28489421
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
256404789
Product of the distinct prime numbers
The prime factorization of 256404789 is 9 × 28489421.
Since it has a total of 2 prime factors.
10 , 7 , 16 , 66 , 150 , 948 , 447 , 1443 , 33415 , 83083 , 701728 , 391079 , 8371582 , 641781 , 59622349 , 72331488 , 272502071 , 226822239 , 7934501984 , 9132314987
n×2
512809578
n×3
769214367
n×4
1025619156
n×5
1282023945
n÷2
128202394.5
n÷3
85468263
n÷3
64101197.25
n÷5
51280957.8
n2
65743415822134521
n3
1.6856926662014E+25
n4
4.3221967239621E+33
n5
1.108231939024E+42
2 √n
16012.644659768
3 √n
635.2949125096
4 √n
126.54107894185
5 √n
48.060161569743
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
-256404788
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 256404789 can be divided by 4 positive divisors.
The sum of these divisors (counting 256404789) is 1, the average is 0.25.
Base
System
Value
2
Binary
1111010010000110110100110101
3
Ternary
122212110201020200
4
Quaternary
33102012310311
5
Quinary
1011114423124
6
Senary
41235351113
8
Octal
1722066465
10
Decimal
256404789
12
Duodecimal
71a52499
16
Hexadecimal
f486d35
20
Vigesimal
402abj9
36
Base36
48nn79
md5
29696bca017693f5d618601bf1eb8359
sha1
ebe8aa0531b24ffe044d8de4eb44887afeccfeb4
sha256
da27a9b7fdb1c4cadb62830af16de088ede1eb8d6170f9ebffb07736d66fefde
sha512
786725a0f3db30d621c7316e1c4ecca1dfea795d6100c1a498c45c1df09bdf09c9154170428fec0d7376def070e1bd7d9b939df1276eccf0fea1c77d7b04cdf0
ripemd-160
45fc8264a996d79ed9bc9c86959a5bb86afb8e4a
Diameter
512809578
Circumference
1611038802.9353
Area
2.0653903216872E+17
Volume
7.0610129284645E+25
Surface area
8.2615612867487E+17
Circumference
1611038802.9353
Perimeter
1025619156
Area
65743415822134521
Diagonal
362611130.06121
Surface area
394460494932807126
Volume
1.6856926662014E+25
Space diagonal
444106121.85198
Perimeter
769214367
Area
2.8467734116766E+16
Altitude
222053060.92599
Surface area
2.8467734116766E+16
Volume
1.986607858779E+24
Height
120870376.68707