68449904 is an even 8-digits composite number following 68449903
and preceding 68449905 . In scientific notation, it is written as 6.8449904 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 20 positive divisors.
There are 34128768 positive integers (up to 68449904) that are relatively prime to 68449904.
68449904 has 20 divisors, whose sum is 132994464
The reverse of 68449904 is 40994486
Previous prime number is 367
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-eight million four hundred forty-nine thousand nine hundred four
Scientific notation
6.8449904 × 10^7
Engineering notation
6.8449904 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 367 × 11657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8556238
Product of the distinct prime numbers
The prime factorization of 68449904 is 2 × 2 × 2 × 2 × 367 × 11657.
Since it has a total of 6 prime factors.
5 , 10 , 74 , 85 , 769 , 952 , 2949 , 3410 , 56167 , 49327 , 862623 , 856373 , 1320004 , 251581 , 95395004 , 55332278 , 841086520 , 106504532 , 9518320433 , 6466242982
n×2
136899808
n×3
205349712
n×4
273799616
n×5
342249520
n÷2
34224952
n÷3
22816634.666667
n÷3
17112476
n÷5
13689980.8
n2
4685389357609216
n3
3.2071445173097E+23
n4
2.1952873432398E+31
n5
1.5026720789718E+39
2 √n
8273.4457150573
3 √n
409.06370522283
4 √n
90.958483469423
5 √n
36.904095772917
1 , 2 , 4 , 8 , 16 , 367 , 734 , 1468 , 2936 , 5872 , 11657 , 23314 , 46628 , 93256 , 186512 , 4278119 , 8556238 , 17112476 , 34224952 , 68449904
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
-68449903
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 68449904 can be divided by 20 positive divisors.
The sum of these divisors (counting 68449904) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000101000111011001110000
3
Ternary
11202210121121122
4
Quaternary
10011013121300
5
Quinary
120010344104
6
Senary
10443041412
8
Octal
405073160
10
Decimal
68449904
12
Duodecimal
1ab10268
16
Hexadecimal
4147670
20
Vigesimal
117g4f4
36
Base36
14r4a8
md5
0c35b3e690c8ec12c89338661a994727
sha1
2310315eb652b07002748ff4c43ada1987bc723e
sha256
87164c9d33bbdf5a852f3bd1c9d604e9b47c07754e6cb56a0396cd5ef729b64e
sha512
59a581f3f15e8dce5c367712fd764fb787827e13432ef5e39a2580e2aeaa3a0af07e8567e2c8641116b316e279641f70952f958b25268331f2f4ac2a2345f0e9
ripemd-160
96e555ff073fa2263031428c5ce41b0cad4f07ad
Diameter
136899808
Circumference
430083431.09065
Area
1.4719584785073E+16
Volume
1.3434055539441E+24
Surface area
5.8878339140292E+16
Circumference
430083431.09065
Perimeter
273799616
Area
4685389357609216
Diagonal
96802782.579936
Surface area
28112336145655296
Volume
3.2071445173097E+23
Space diagonal
118558711.50121
Perimeter
205349712
Area
2.0288331051554E+15
Altitude
59279355.750606
Surface area
2.0288331051554E+15
Volume
3.7796560607249E+22
Height
32267594.193312