68809938 is an even 8-digits composite number following 68809937
and preceding 68809939 . In scientific notation, it is written as 6.8809938 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 22594176 positive integers (up to 68809938) that are relatively prime to 68809938.
68809938 has 16 divisors, whose sum is 139674720
The reverse of 68809938 is 83990886
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million eight hundred nine thousand nine hundred thirty-eight
Scientific notation
6.8809938 × 10^7
Engineering notation
6.8809938 × 10^6
Prime Factorization
2 × 3 × 67 × 171169
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68809938
Product of the distinct prime numbers
The prime factorization of 68809938 is 2 × 3 × 67 × 171169.
Since it has a total of 4 prime factors.
8 , 4 , 42 , 22 , 906 , 888 , 1287 , 2152 , 61551 , 45990 , 216193 , 724464 , 6209290 , 1725262 , 75845629 , 95730859 , 768086404 , 315656790 , 7418745362 , 4526204508
n×2
137619876
n×3
206429814
n×4
275239752
n×5
344049690
n÷2
34404969
n÷3
22936646
n÷3
17202484.5
n÷5
13761987.6
n2
4734807567563844
n3
3.25801815166E+23
n4
2.241840270186E+31
n5
1.542608899974E+39
2 √n
8295.1755858451
3 √n
409.77965157641
4 √n
91.077854530314
5 √n
36.942836113025
1 , 2 , 3 , 6 , 67 , 134 , 201 , 402 , 171169 , 342338 , 513507 , 1027014 , 11468323 , 22936646 , 34404969 , 68809938
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
-68809937
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 68809938 can be divided by 16 positive divisors.
The sum of these divisors (counting 68809938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000110011111010011010010
3
Ternary
11210110220111020
4
Quaternary
10012133103102
5
Quinary
120103404223
6
Senary
10454500310
8
Octal
406372322
10
Decimal
68809938
12
Duodecimal
1b064696
16
Hexadecimal
419f4d2
20
Vigesimal
11a14gi
36
Base36
14yu36
md5
5496ec61a145fccda802c2116862d748
sha1
6913f65cc4e9b07a697ca42cde688d9947d7045c
sha256
8a527b3b7485c6de49eb76801b75256066b24ff34bf0feed9fdddd6e3b227271
sha512
0fd68a915370d4f916e68c01f428d7ff3410f6902d8297864af26288d7f17084f5866de0e1da00c998ec9033f7e8cf690f54295b13e9cb8dba06bc3b1abae50a
ripemd-160
147c011ade2c958b1675e774aed8e7d0d16608cb
Diameter
137619876
Circumference
432345591.42954
Area
1.487483667042E+16
Volume
1.364715452069E+24
Surface area
5.949934668168E+16
Circumference
432345591.42954
Perimeter
275239752
Area
4734807567563844
Diagonal
97311947.545652
Surface area
28408845405383064
Volume
3.25801815166E+23
Space diagonal
119182308.68166
Perimeter
206429814
Area
2.0502318177705E+15
Altitude
59591154.340832
Surface area
2.0502318177705E+15
Volume
3.8396112137794E+22
Height
32437315.848551