68839918 is an even 8-digits composite number following 68839917
and preceding 68839919 . In scientific notation, it is written as 6.8839918 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 29469240 positive integers (up to 68839918) that are relatively prime to 68839918.
68839918 has 16 divisors, whose sum is 118145664
The reverse of 68839918 is 81993886
Previous prime number is 1091
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-eight million eight hundred thirty-nine thousand nine hundred eighteen
Scientific notation
6.8839918 × 10^7
Engineering notation
6.8839918 × 10^6
Prime Factorization
2 × 7 × 1091 × 4507
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68839918
Product of the distinct prime numbers
The prime factorization of 68839918 is 2 × 7 × 1091 × 4507.
Since it has a total of 4 prime factors.
6 , 6 , 83 , 53 , 872 , 260 , 435 , 1872 , 86501 , 82657 , 394462 , 813853 , 8880232 , 4985802 , 14734474 , 58213606 , 841805317 , 577494437 , 866524897 , 2280576299
n×2
137679836
n×3
206519754
n×4
275359672
n×5
344199590
n÷2
34419959
n÷3
22946639.333333
n÷3
17209979.5
n÷5
13767983.6
n2
4738934310246724
n3
3.2622784932477E+23
n4
2.2457498396834E+31
n5
1.5459723481232E+39
2 √n
8296.9824635225
3 √n
409.83915562748
4 √n
91.087773403034
5 √n
36.946054698274
1 , 2 , 7 , 14 , 1091 , 2182 , 4507 , 7637 , 9014 , 15274 , 31549 , 63098 , 4917137 , 9834274 , 34419959 , 68839918
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
-68839917
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 68839918 can be divided by 16 positive divisors.
The sum of these divisors (counting 68839918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110100110100111101110
3
Ternary
11210112102121121
4
Quaternary
10012212213232
5
Quinary
120110334133
6
Senary
10455251154
8
Octal
406464756
10
Decimal
68839918
12
Duodecimal
1b079aba
16
Hexadecimal
41a69ee
20
Vigesimal
11a4jfi
36
Base36
14zh7y
md5
fbc04a8d0aebfc75c94fc5c222ad7461
sha1
a451282d528c24f3ea2b57ed614e8c7bf9c3bc00
sha256
fb6f6fcf5c5ae3927bcc574858bc46af271bdaa68741dcc3a272c77c92e5aa51
sha512
99d22ae67cfabf1c8bcbaac3b0e04fa338a45d98e05e0579fc83585ab85055c999ea260f8f3c124693232863971bc52a03b51c1e8ea76f6f1351563d1aedaa28
ripemd-160
a77f119d22c166cbb2298b003918597b1ecd09d3
Diameter
137679836
Circumference
432533961.32505
Area
1.4887801214916E+16
Volume
1.3665000197801E+24
Surface area
5.9551204859663E+16
Circumference
432533961.32505
Perimeter
275359672
Area
4738934310246724
Diagonal
97354345.668252
Surface area
28433605861480344
Volume
3.2622784932477E+23
Space diagonal
119234235.56488
Perimeter
206519754
Area
2.0520187497697E+15
Altitude
59617117.782438
Surface area
2.0520187497697E+15
Volume
3.8446320744908E+22
Height
32451448.556084