68509939 is an odd 8-digits composite number following 68509938
and preceding 68509940 . In scientific notation, it is written as 6.8509939 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 65453256 positive integers (up to 68509939) that are relatively prime to 68509939.
68509939 has 8 divisors, whose sum is 71573760
The reverse of 68509939 is 93990586
Previous prime number is 1367
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million five hundred nine thousand nine hundred thirty-nine
Scientific notation
6.8509939 × 10^7
Engineering notation
6.8509939 × 10^6
Prime Factorization
23 × 1367 × 2179
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68509939
Product of the distinct prime numbers
The prime factorization of 68509939 is 23 × 1367 × 2179.
Since it has a total of 3 prime factors.
3 , 6 , 66 , 92 , 219 , 369 , 3399 , 8726 , 30874 , 36041 , 257322 , 433701 , 5797288 , 6689149 , 40561074 , 46508227 , 127554223 , 260470994 , 8037666507 , 1860576852
n×2
137019878
n×3
205529817
n×4
274039756
n×5
342549695
n÷2
34254969.5
n÷3
22836646.333333
n÷3
17127484.75
n÷5
13701987.8
n2
4693611741783721
n3
3.2155905411929E+23
n4
2.202999118261E+31
n5
1.5092733520911E+39
2 √n
8277.0730937935
3 √n
409.18326206616
4 √n
90.978421033746
5 √n
36.910566959584
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
-68509938
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 68509939 can be divided by 8 positive divisors.
The sum of these divisors (counting 68509939) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101010110000011110011
3
Ternary
11202220122222011
4
Quaternary
10011112003303
5
Quinary
120014304224
6
Senary
10444223351
8
Octal
405260363
10
Decimal
68509939
12
Duodecimal
1ab3ab57
16
Hexadecimal
41560f3
20
Vigesimal
1183egj
36
Base36
14selv
md5
a5b2492d189b43c070ae375804427609
sha1
66f7208177639ba26247008b5504b12f741b17a6
sha256
398d5f648845119cbeabbe8c3ef8f0d4abfd78983329f81915cd82406ec4ea0d
sha512
77efa470b7879037e6a50829f04031843b9a5d56c402809e41bbb328e921414ee10a3138ec44b53b409c94aa12cf52109a11c681765df90aafbe6e4bb6c762d6
ripemd-160
4195cf33ef3608fcf54f39ab47b52017c0170058
Diameter
137019878
Circumference
430460642.12057
Area
1.4745416166791E+16
Volume
1.3469434161552E+24
Surface area
5.8981664667162E+16
Circumference
430460642.12057
Perimeter
274039756
Area
4693611741783721
Diagonal
96887684.891153
Surface area
28161670450702326
Volume
3.2155905411929E+23
Space diagonal
118662695.17144
Perimeter
205529817
Area
2.0323935019428E+15
Altitude
59331347.585722
Surface area
2.0323935019428E+15
Volume
3.789609795328E+22
Height
32295894.963718