256972 is an even 6-digits composite number following 256971
and preceding 256973 . In scientific notation, it is written as 2.56972 × 10^5.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 120896 positive integers (up to 256972) that are relatively prime to 256972.
256972 has 12 divisors, whose sum is 476280
The reverse of 256972 is 279652
Previous prime number is 17
Is Prime? no
Number parity even
Number length 6
Sum of Digits 31
Digital Root 4
Name
two hundred fifty-six thousand nine hundred seventy-two
Scientific notation
2.56972 × 10^5
Engineering notation
2.56972 × 10^3
Prime Factorization
2 × 2 × 17 × 3779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
128486
Product of the distinct prime numbers
The prime factorization of 256972 is 2 × 2 × 17 × 3779.
Since it has a total of 4 prime factors.
8 , 7 , 8 , 2 , 221 , 61 , 9099 , 9203 , 89267 , 75831 , 321190 , 105044 , 5250242 , 6895983 , 16680595 , 4228104 , 643819156 , 157471549 , 7955411030 , 6628073781
n×2
513944
n×3
770916
n×4
1027888
n×5
1284860
n÷2
128486
n÷3
85657.333333333
n÷3
64243
n÷5
51394.4
n2
66034608784
n3
16969045488442048
n4
4.3605695572559E+21
n5
1.1205442802672E+27
2 √n
506.92405742872
3 √n
63.576302762602
4 √n
22.514974071243
5 √n
12.077503191585
1 , 2 , 4 , 17 , 34 , 68 , 3779 , 7558 , 15116 , 64243 , 128486 , 256972
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
-256971
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 256972 can be divided by 12 positive divisors.
The sum of these divisors (counting 256972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111110101111001100
3
Ternary
111001111111
4
Quaternary
332233030
5
Quinary
31210342
6
Senary
5301404
8
Octal
765714
10
Decimal
256972
12
Duodecimal
104864
16
Hexadecimal
3ebcc
20
Vigesimal
1c28c
36
Base36
5ia4
md5
d5d8d30347d82d8a9655e7dc9a388610
sha1
3322e8f31eb8901cefb2c32726b3db7621537422
sha256
9cd6ad61ee0ed7416198c2194d4ce94e6101cdff017678c38c987884e5242f58
sha512
51b492535e9d77b389becd4a8e44527b4b9f28807c399bcd8b8b35a39266e7b759d9f2443226313dda9062431bfb1e198e5ce897f6228177ab1577fb7128705a
ripemd-160
1e58b6ff3d9eb9eb280a418170a5b3b89dee062e
Diameter
513944
Circumference
1614602.6947566
Area
207453841838.49
Volume
7.1079771526561E+16
Surface area
829815367353.96
Circumference
1614602.6947566
Perimeter
1027888
Area
66034608784
Diagonal
363413.28755014
Surface area
396207652704
Volume
16969045488442048
Space diagonal
445088.56012259
Perimeter
770916
Area
28593824367.956
Altitude
222544.28006129
Surface area
28593824367.956
Volume
1.9998211891901E+15
Height
121137.76251671