68693728 is an even 8-digits composite number following 68693727
and preceding 68693729 . In scientific notation, it is written as 6.8693728 × 10^7.
The sum of its digits is 49. It has a total of 7 prime factors and 24 positive divisors.
There are 34258560 positive integers (up to 68693728) that are relatively prime to 68693728.
68693728 has 24 divisors, whose sum is 135588600
The reverse of 68693728 is 82739686
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million six hundred ninety-three thousand seven hundred twenty-eight
Scientific notation
6.8693728 × 10^7
Engineering notation
6.8693728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 421 × 5099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
4293358
Product of the distinct prime numbers
The prime factorization of 68693728 is 2 × 2 × 2 × 2 × 2 × 421 × 5099.
Since it has a total of 7 prime factors.
8 , 9 , 74 , 3 , 26 , 728 , 1706 , 8812 , 29456 , 77975 , 176090 , 854503 , 390005 , 581167 , 20266636 , 66142362 , 39227879 , 201078437 , 8802076299 , 2523114361
n×2
137387456
n×3
206081184
n×4
274774912
n×5
343468640
n÷2
34346864
n÷3
22897909.333333
n÷3
17173432
n÷5
13738745.6
n2
4718828266537984
n3
3.2415390542027E+23
n4
2.2267340209078E+31
n5
1.5296266116059E+39
2 √n
8288.1679519662
3 √n
409.54883546704
4 √n
91.039375832473
5 √n
36.930349457059
1 , 2 , 4 , 8 , 16 , 32 , 421 , 842 , 1684 , 3368 , 5099 , 6736 , 10198 , 13472 , 20396 , 40792 , 81584 , 163168 , 2146679 , 4293358 , 8586716 , 17173432 , 34346864 , 68693728
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68693727
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68693728 can be divided by 24 positive divisors.
The sum of these divisors (counting 68693728) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000110000010111011100000
3
Ternary
11210021000002011
4
Quaternary
10012002323200
5
Quinary
120041144403
6
Senary
10452202304
8
Octal
406027340
10
Decimal
68693728
12
Duodecimal
1b009394
16
Hexadecimal
4182ee0
20
Vigesimal
1196e68
36
Base36
14wcf4
md5
e909ca1a9028b02451da67f1663d56e0
sha1
c431ccf4ac7f971d1198dfca73e62677b324c68e
sha256
67386d73502d25b9121bb250d6a54ab53d9b45b2d681c1142a411f6ef6969ef2
sha512
7a21ce5c1ee979df7eb79f3f96c56979f98a0d734548dd1ea45e04ebaf39287e055597ebc909f73136e88879a79a7d70418d2f8419e384143c7d91403d55c568
ripemd-160
76e8365d9d9af8ce82ac3ba035f867bd02b0cd76
Diameter
137387456
Circumference
431615422.46499
Area
1.4824636215708E+16
Volume
1.3578127038677E+24
Surface area
5.929854486283E+16
Circumference
431615422.46499
Perimeter
274774912
Area
4718828266537984
Diagonal
97147601.787568
Surface area
28312969599227904
Volume
3.2415390542027E+23
Space diagonal
118981027.05732
Perimeter
206081184
Area
2.043312577459E+15
Altitude
59490513.528658
Surface area
2.043312577459E+15
Volume
3.8201904111796E+22
Height
32382533.929189