68091831 is an odd 8-digits composite number following 68091830
and preceding 68091832 . In scientific notation, it is written as 6.8091831 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 45324720 positive integers (up to 68091831) that are relatively prime to 68091831.
68091831 has 8 divisors, whose sum is 75774000
The reverse of 68091831 is 13819086
Previous prime number is 691
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
sixty-eight million ninety-one thousand eight hundred thirty-one
Scientific notation
6.8091831 × 10^7
Engineering notation
6.8091831 × 10^6
Prime Factorization
9 × 691 × 10949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68091831
Product of the distinct prime numbers
The prime factorization of 68091831 is 9 × 691 × 10949.
Since it has a total of 3 prime factors.
5 , 7 , 39 , 74 , 939 , 932 , 1062 , 9042 , 86799 , 45526 , 625163 , 589981 , 9370126 , 878347 , 85196909 , 82405656 , 419506997 , 345040992 , 1041586445 , 4758877147
n×2
136183662
n×3
204275493
n×4
272367324
n×5
340459155
n÷2
34045915.5
n÷3
22697277
n÷3
17022957.75
n÷5
13618366.2
n2
4636497448932561
n3
3.1570760072465E+23
n4
2.1497108593958E+31
n5
1.4637774853684E+39
2 √n
8251.7774448903
3 √n
408.34916404912
4 √n
90.839294608062
5 √n
36.86540441694
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68091830
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68091831 can be divided by 8 positive divisors.
The sum of these divisors (counting 68091831) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000011101111111110110111
3
Ternary
11202010102102200
4
Quaternary
10003233332313
5
Quinary
114412414311
6
Senary
10431235543
8
Octal
403577667
10
Decimal
68091831
12
Duodecimal
1a978bb3
16
Hexadecimal
40effb7
20
Vigesimal
115b9bb
36
Base36
14jfzr
md5
61888d0d7364f29f685790dfb1431e98
sha1
1afa12169c520534be43373d8addac98b4c8e875
sha256
289adc14ab12b325bb91302e2a31cd2e8cd0ec845dec7b378c791be637765999
sha512
b49dec9c3a1ba5a044a94e0e2fbd27d0afef1e496629bf8299ebcf6b4f88e4aed2392cbf7617ea0cfcd225364198bfced80a257e7fd29e4d84be118130c6a4e0
ripemd-160
c4b5735f28a49385d2b7a50d03fcfee1da6bb61d
Diameter
136183662
Circumference
427833592.07816
Area
1.4565986323954E+16
Volume
1.322432905492E+24
Surface area
5.8263945295817E+16
Circumference
427833592.07816
Perimeter
272367324
Area
4636497448932561
Diagonal
96296390.887017
Surface area
27818984693595366
Volume
3.1570760072465E+23
Space diagonal
117938510.87239
Perimeter
204275493
Area
2.0076622876787E+15
Altitude
58969255.436197
Surface area
2.0076622876787E+15
Volume
3.7206497557422E+22
Height
32098796.962339