68691875 is an odd 8-digits composite number following 68691874
and preceding 68691876 . In scientific notation, it is written as 6.8691875 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 20 positive divisors.
There are 47082000 positive integers (up to 68691875) that are relatively prime to 68691875.
68691875 has 20 divisors, whose sum is 87628200
The reverse of 68691875 is 57819686
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-eight million six hundred ninety-one thousand eight hundred seventy-five
Scientific notation
6.8691875 × 10^7
Engineering notation
6.8691875 × 10^6
Prime Factorization
49 × 25 × 5 × 5 × 2243
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
13738375
Product of the distinct prime numbers
The prime factorization of 68691875 is 49 × 25 × 5 × 5 × 2243.
Since it has a total of 5 prime factors.
7 , 5 , 72 , 30 , 203 , 127 , 9033 , 5540 , 35722 , 48174 , 532610 , 97393 , 2114091 , 7531221 , 33003553 , 59206410 , 593221012 , 895250853 , 304288276 , 845926066
n×2
137383750
n×3
206075625
n×4
274767500
n×5
343459375
n÷2
34345937.5
n÷3
22897291.666667
n÷3
17172968.75
n÷5
13738375
n2
4718573691015625
n3
3.2412767416153E+23
n4
2.2264937677545E+31
n5
1.5294203158287E+39
2 √n
8288.0561653502
3 √n
409.54515293377
4 √n
91.038761883882
5 √n
36.930150217105
1 , 5 , 25 , 49 , 125 , 245 , 625 , 1225 , 2243 , 6125 , 11215 , 30625 , 56075 , 109907 , 280375 , 549535 , 1401875 , 2747675 , 13738375 , 68691875
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68691874
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68691875 can be divided by 20 positive divisors.
The sum of these divisors (counting 68691875) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000110000010011110100011
3
Ternary
11210020220112112
4
Quaternary
10012002132203
5
Quinary
120041120000
6
Senary
10452145535
8
Octal
406023643
10
Decimal
68691875
12
Duodecimal
1b0082ab
16
Hexadecimal
41827a3
20
Vigesimal
11969df
36
Base36
14wazn
md5
0dba84c287bc9cff751cabb2ab34dcbc
sha1
512e19f09e9a0ef80bc145cc417a1a8bad4fedb8
sha256
3a9386faa82c5144fae6adaf5300c9b0d1f7faf552a6d94a2199da1f25f2d504
sha512
72b9bd0a5c95afa7374258ec6077a031db66d5488926485cc51bb325fe67de7a36bf3b6ad758fe81f6e2c1774bd319a28810c2b7d9a25dc36324b802829a6f54
ripemd-160
6f32484bbcfaabdd622f9f4c4049e415440441d9
Diameter
137383750
Circumference
431603779.72262
Area
1.4823836443117E+16
Volume
1.357702826628E+24
Surface area
5.9295345772467E+16
Circumference
431603779.72262
Perimeter
274767500
Area
4718573691015625
Diagonal
97144981.249837
Surface area
28311442146093750
Volume
3.2412767416153E+23
Space diagonal
118977817.56717
Perimeter
206075625
Area
2.0432023430242E+15
Altitude
59488908.783585
Surface area
2.0432023430242E+15
Volume
3.8198812728307E+22
Height
32381660.416612