68091845 is an odd 8-digits composite number following 68091844
and preceding 68091846 . In scientific notation, it is written as 6.8091845 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 51384960 positive integers (up to 68091845) that are relatively prime to 68091845.
68091845 has 16 divisors, whose sum is 86441472
The reverse of 68091845 is 54819086
Previous prime number is 73
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-eight million ninety-one thousand eight hundred forty-five
Scientific notation
6.8091845 × 10^7
Engineering notation
6.8091845 × 10^6
Prime Factorization
5 × 23 × 73 × 8111
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68091845
Product of the distinct prime numbers
The prime factorization of 68091845 is 5 × 23 × 73 × 8111.
Since it has a total of 4 prime factors.
4 , 2 , 30 , 21 , 441 , 453 , 990 , 3627 , 91048 , 32548 , 491922 , 613157 , 8609844 , 2091867 , 73889235 , 11841274 , 840365454 , 137799749 , 9509391023 , 9779546693
n×2
136183690
n×3
204275535
n×4
272367380
n×5
340459225
n÷2
34045922.5
n÷3
22697281.666667
n÷3
17022961.25
n÷5
13618369
n2
4636499355504025
n3
3.1570779545758E+23
n4
2.1497126273589E+31
n5
1.4637789901667E+39
2 √n
8251.7782931923
3 √n
408.34919203529
4 √n
90.839299277308
5 √n
36.86540593288
1 , 5 , 23 , 73 , 115 , 365 , 1679 , 8111 , 8395 , 40555 , 186553 , 592103 , 932765 , 2960515 , 13618369 , 68091845
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
-68091844
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 68091845 can be divided by 16 positive divisors.
The sum of these divisors (counting 68091845) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000011101111111111000101
3
Ternary
11202010102110012
4
Quaternary
10003233333011
5
Quinary
114412414340
6
Senary
10431240005
8
Octal
403577705
10
Decimal
68091845
12
Duodecimal
1a979005
16
Hexadecimal
40effc5
20
Vigesimal
115b9c5
36
Base36
14jg05
md5
73ec5e54dafe615a28aa6140ba212455
sha1
7e68dd4ab1fc177d04988f6487a2a92618a44590
sha256
d83d0fce2b31bb090fe3d2b3986cd409f4ba4d2708ab8e7d149a7f855f9c9767
sha512
4c523ea71fe75f1ae66674f32e8ca304c5b68dd1da6a80adfba54360f39287f9a5bcfc2d7c32748f5224f604d471828539b303e6f4d9ea57e748ba05a5de5f3a
ripemd-160
dd25df8c47e35bbe98b028fe30e8fe22147bacd8
Diameter
136183690
Circumference
427833680.04275
Area
1.4565992313625E+16
Volume
1.3224337211874E+24
Surface area
5.8263969254501E+16
Circumference
427833680.04275
Perimeter
272367380
Area
4636499355504025
Diagonal
96296410.686007
Surface area
27818996133024150
Volume
3.1570779545758E+23
Space diagonal
117938535.1211
Perimeter
204275535
Area
2.0076631132483E+15
Altitude
58969267.560552
Surface area
2.0076631132483E+15
Volume
3.7206520506918E+22
Height
32098803.562002