268721831 is an odd 9-digits composite number following 268721830
and preceding 268721832 . In scientific notation, it is written as 2.68721831 × 10^8.
The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors.
There are 223171200 positive integers (up to 268721831) that are relatively prime to 268721831.
268721831 has 24 divisors, whose sum is 322423920
The reverse of 268721831 is 138127862
Previous prime number is 739
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred sixty-eight million seven hundred twenty-one thousand eight hundred thirty-one
Scientific notation
2.68721831 × 10^8
Engineering notation
2.68721831 × 10^6
Prime Factorization
7 × 7 × 41 × 739 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
38388833
Product of the distinct prime numbers
The prime factorization of 268721831 is 7 × 7 × 41 × 739 × 181.
Since it has a total of 5 prime factors.
1 , 1 , 30 , 12 , 562 , 157 , 1064 , 8653 , 15695 , 36458 , 305376 , 749542 , 2235434 , 498320 , 5644715 , 54625034 , 192579918 , 544253833 , 2810878581 , 3810664993
n×2
537443662
n×3
806165493
n×4
1074887324
n×5
1343609155
n÷2
134360915.5
n÷3
89573943.666667
n÷3
67180457.75
n÷5
53744366.2
n2
72211422455992561
n3
1.9404785661489E+25
n4
5.2144895331178E+33
n5
1.4012471750698E+42
2 √n
16392.737141795
3 √n
645.30889276926
4 √n
128.03412491127
5 √n
48.51327459124
1 , 7 , 41 , 49 , 181 , 287 , 739 , 1267 , 2009 , 5173 , 7421 , 8869 , 30299 , 36211 , 51947 , 133759 , 212093 , 363629 , 936313 , 1484651 , 5484119 , 6554191 , 38388833 , 268721831
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-268721830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 268721831 can be divided by 24 positive divisors.
The sum of these divisors (counting 268721831) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10000000001000101111010100111
3
Ternary
200201122111001102
4
Quaternary
100001011322213
5
Quinary
1022243044311
6
Senary
42355350315
8
Octal
2001057247
10
Decimal
268721831
12
Duodecimal
75bb239b
16
Hexadecimal
10045ea7
20
Vigesimal
43ja4bb
36
Base36
4fzn3b
md5
40b1efc2de8fc88e15dc2869721d80d4
sha1
a1288c8b8fd7f7363164bc47dca249ccd6c82ce2
sha256
f6f228734e98cf492f57bb5bc773c23f8ba7cec71aea46af803c6a9d2811194d
sha512
20bd67147774044e4f06d4606273032b37763f9d6fb434afc3cbe231e2c65e58c8f30b6fd2a832a65c45bd756b310626e9410a8d70f3a8f1688cb5ad85b0d8e5
ripemd-160
9cfb7e03879b8102128a3dda0eb4d9b078a1e966
Diameter
537443662
Circumference
1688429060.2576
Area
2.2685887429302E+17
Volume
8.1282576104824E+25
Surface area
9.0743549717206E+17
Circumference
1688429060.2576
Perimeter
1074887324
Area
72211422455992561
Diagonal
380030057.90593
Surface area
433268534735955366
Volume
1.9404785661489E+25
Space diagonal
465439864.39494
Perimeter
806165493
Area
3.126846314515E+16
Altitude
232719932.19747
Surface area
3.126846314515E+16
Volume
2.2868759214517E+24
Height
126676685.96864