68791331 is an odd 8-digits composite number following 68791330
and preceding 68791332 . In scientific notation, it is written as 6.8791331 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 57547584 positive integers (up to 68791331) that are relatively prime to 68791331.
68791331 has 16 divisors, whose sum is 80530944
The reverse of 68791331 is 13319786
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-eight million seven hundred ninety-one thousand three hundred thirty-one
Scientific notation
6.8791331 × 10^7
Engineering notation
6.8791331 × 10^6
Prime Factorization
7 × 103 × 73 × 1307
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68791331
Product of the distinct prime numbers
The prime factorization of 68791331 is 7 × 103 × 73 × 1307.
Since it has a total of 4 prime factors.
5 , 10 , 98 , 59 , 21 , 923 , 7663 , 4493 , 23725 , 92545 , 448426 , 491350 , 2036775 , 6952259 , 63647413 , 30489166 , 386649500 , 730771893 , 74632992 , 3317700554
n×2
137582662
n×3
206373993
n×4
275165324
n×5
343956655
n÷2
34395665.5
n÷3
22930443.666667
n÷3
17197832.75
n÷5
13758266.2
n2
4732247220751561
n3
3.2553758493655E+23
n4
2.2394163758311E+31
n5
1.5405243315662E+39
2 √n
8294.0539544905
3 √n
409.74271186694
4 √n
91.071696780561
5 √n
36.940837943181
1 , 7 , 73 , 103 , 511 , 721 , 1307 , 7519 , 9149 , 52633 , 95411 , 134621 , 667877 , 942347 , 9827333 , 68791331
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
-68791330
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 68791331 can be divided by 16 positive divisors.
The sum of these divisors (counting 68791331) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110011010110000100011
3
Ternary
11210102221222002
4
Quaternary
10012122300203
5
Quinary
120102310311
6
Senary
10454234215
8
Octal
406326043
10
Decimal
68791331
12
Duodecimal
1b05596b
16
Hexadecimal
419ac23
20
Vigesimal
119ii6b
36
Base36
14yfqb
md5
b79fc196e021d31635ccfbdf3ff096cf
sha1
644ff82dd88b0c38956331777e19a900d5f6855e
sha256
a4897e9a44ed5689a5dd93bd968fdf335ea085e4b3f479549ed9213ce0b83df4
sha512
0410e4db97d79a6e4ccca322647b1c043560c120f2adb524adad06c27bac14ba1897ffb161a23be98d011eb1dc03be2760a3d0a6b2a441b9c67b8d250ef5f65e
ripemd-160
76c70e993401cd17166456ce91ebc50c5f9edad1
Diameter
137582662
Circumference
432228680.20053
Area
1.4866793103684E+16
Volume
1.363608647072E+24
Surface area
5.9467172414735E+16
Circumference
432228680.20053
Perimeter
275165324
Area
4732247220751561
Diagonal
97285633.273897
Surface area
28393483324509366
Volume
3.2553758493655E+23
Space diagonal
119150080.41229
Perimeter
206373993
Area
2.0491231550796E+15
Altitude
59575040.206144
Surface area
2.0491231550796E+15
Volume
3.8364972306621E+22
Height
32428544.424632