256454989 is an odd 9-digits composite number following 256454988
and preceding 256454990 . In scientific notation, it is written as 2.56454989 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 207506880 positive integers (up to 256454989) that are relatively prime to 256454989.
256454989 has 16 divisors, whose sum is 309617280
The reverse of 256454989 is 989454652
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
two hundred fifty-six million four hundred fifty-four thousand nine hundred eighty-nine
Scientific notation
2.56454989 × 10^8
Engineering notation
2.56454989 × 10^6
Prime Factorization
7 × 19 × 293 × 6581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
256454989
Product of the distinct prime numbers
The prime factorization of 256454989 is 7 × 19 × 293 × 6581.
Since it has a total of 4 prime factors.
8 , 1 , 46 , 62 , 836 , 714 , 2879 , 4733 , 86578 , 90682 , 870089 , 676066 , 4966928 , 8435137 , 49516689 , 84309562 , 603465805 , 312418851 , 9514947520 , 1319980955
n×2
512909978
n×3
769364967
n×4
1025819956
n×5
1282274945
n÷2
128227494.5
n÷3
85484996.333333
n÷3
64113747.25
n÷5
51290997.8
n2
65769161382990121
n3
1.6866829559014E+25
n4
4.3255825890218E+33
n5
1.1093172352862E+42
2 √n
16014.212094262
3 √n
635.33637003418
4 √n
126.54727217235
5 √n
48.062043306197
1 , 7 , 19 , 133 , 293 , 2051 , 5567 , 6581 , 38969 , 46067 , 125039 , 875273 , 1928233 , 13497631 , 36636427 , 256454989
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
-256454988
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 256454989 can be divided by 16 positive divisors.
The sum of these divisors (counting 256454989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111010010010011000101001101
3
Ternary
122212120021002221
4
Quaternary
33102103011031
5
Quinary
1011123024424
6
Senary
41240415341
8
Octal
1722230515
10
Decimal
256454989
12
Duodecimal
71a77551
16
Hexadecimal
f49314d
20
Vigesimal
402gh99
36
Base36
48opxp
md5
344436483eb94fe6df3d2f3e058f6302
sha1
ab43812c874d778620c1f458ef96d3c2d9897bfa
sha256
b6d33f7889e81a70a7d694e1dbc04c9c52bb762a6f712cd752e9b214ee3568a1
sha512
c3c1e1effe64e80ef7276ccf08af60de5b5ab858db961360dee563eb73d2ababb59658d5e078087d0ad0df8187311105479e5904776ab9d230047f21482a2791
ripemd-160
b16e809c06a62288d191084ad8f5d4fb12829517
Diameter
512909978
Circumference
1611354218.8377
Area
2.0661991423356E+17
Volume
7.0651610442599E+25
Surface area
8.2647965693425E+17
Circumference
1611354218.8377
Perimeter
1025819956
Area
65769161382990121
Diagonal
362682123.58204
Surface area
394614968297940726
Volume
1.6866829559014E+25
Space diagonal
444193070.80252
Perimeter
769364967
Area
2.8478882271634E+16
Altitude
222096535.40126
Surface area
2.8478882271634E+16
Volume
1.9877749263827E+24
Height
120894041.19401