68839939 is an odd 8-digits composite number following 68839938
and preceding 68839940 . In scientific notation, it is written as 6.8839939 × 10^7.
The sum of its digits is 55. It has a total of 4 prime factors and 16 positive divisors.
There are 56448000 positive integers (up to 68839939) that are relatively prime to 68839939.
68839939 has 16 divisors, whose sum is 82134720
The reverse of 68839939 is 93993886
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
sixty-eight million eight hundred thirty-nine thousand nine hundred thirty-nine
Scientific notation
6.8839939 × 10^7
Engineering notation
6.8839939 × 10^6
Prime Factorization
7 × 113 × 29 × 3001
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68839939
Product of the distinct prime numbers
The prime factorization of 68839939 is 7 × 113 × 29 × 3001.
Since it has a total of 4 prime factors.
4 , 2 , 95 , 39 , 658 , 278 , 6058 , 6898 , 29821 , 40913 , 889229 , 571387 , 2568132 , 3432379 , 60782018 , 40511677 , 310472175 , 941860891 , 3082728921 , 1915564923
n×2
137679878
n×3
206519817
n×4
275359756
n×5
344199695
n÷2
34419969.5
n÷3
22946646.333333
n÷3
17209984.75
n÷5
13767987.8
n2
4738937201523721
n3
3.2622814787772E+23
n4
2.2457525799985E+31
n5
1.5459747061619E+39
2 √n
8296.9837290427
3 √n
409.83919730205
4 √n
91.087780349741
5 √n
36.946056952394
1 , 7 , 29 , 113 , 203 , 791 , 3001 , 3277 , 21007 , 22939 , 87029 , 339113 , 609203 , 2373791 , 9834277 , 68839939
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
-68839938
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 68839939 can be divided by 16 positive divisors.
The sum of these divisors (counting 68839939) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110100110101000000011
3
Ternary
11210112102122101
4
Quaternary
10012212220003
5
Quinary
120110334224
6
Senary
10455251231
8
Octal
406465003
10
Decimal
68839939
12
Duodecimal
1b079b17
16
Hexadecimal
41a6a03
20
Vigesimal
11a4jgj
36
Base36
14zh8j
md5
32c133f6a978f88c45d130f9d45dc041
sha1
82177ea73f3238f9eb48a4e11fbf6b486b840441
sha256
c1a8d52035957bb1acf498e10301b9e9ebdc2b7966611b9e7e0016e4f850c16b
sha512
a20e8a558f134b824da135c0528610cbca610872d7eba257b50b5b5587615fb959c41c1be1f34e1b8793c1550bb6a09ad1ccf34a85d9e3477c2385d6cf93ea63
ripemd-160
8ef119ed0dbbdaf01435efb97de467c8c8597dff
Diameter
137679878
Circumference
432534093.27194
Area
1.488781029813E+16
Volume
1.3665012703558E+24
Surface area
5.9551241192521E+16
Circumference
432534093.27194
Perimeter
275359756
Area
4738937201523721
Diagonal
97354375.366737
Surface area
28433623209142326
Volume
3.2622814787772E+23
Space diagonal
119234271.93794
Perimeter
206519817
Area
2.0520200017293E+15
Altitude
59617135.968971
Surface area
2.0520200017293E+15
Volume
3.8446355929711E+22
Height
32451458.455579