68389938 is an even 8-digits composite number following 68389937
and preceding 68389939 . In scientific notation, it is written as 6.8389938 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 24 positive divisors.
There are 22768800 positive integers (up to 68389938) that are relatively prime to 68389938.
68389938 has 24 divisors, whose sum is 148359276
The reverse of 68389938 is 83998386
Previous prime number is 1061
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-eight million three hundred eighty-nine thousand nine hundred thirty-eight
Scientific notation
6.8389938 × 10^7
Engineering notation
6.8389938 × 10^6
Prime Factorization
2 × 3 × 3 × 1061 × 3581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22796646
Product of the distinct prime numbers
The prime factorization of 68389938 is 2 × 3 × 3 × 1061 × 3581.
Since it has a total of 5 prime factors.
4 , 6 , 8 , 11 , 731 , 159 , 5403 , 8572 , 68886 , 10937 , 433830 , 929346 , 4117279 , 9454437 , 66344059 , 38188011 , 400402333 , 709477934 , 5138514628 , 6309218541
n×2
136779876
n×3
205169814
n×4
273559752
n×5
341949690
n÷2
34194969
n÷3
22796646
n÷3
17097484.5
n÷5
13677987.6
n2
4677183619643844
n3
3.1987229776206E+23
n4
2.1876046611865E+31
n5
1.4961014714705E+39
2 √n
8269.8209170453
3 √n
408.94421598374
4 √n
90.938555723331
5 √n
36.897627489493
1 , 2 , 3 , 6 , 9 , 18 , 1061 , 2122 , 3183 , 3581 , 6366 , 7162 , 9549 , 10743 , 19098 , 21486 , 32229 , 64458 , 3799441 , 7598882 , 11398323 , 22796646 , 34194969 , 68389938
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
-68389937
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 68389938 can be divided by 24 positive divisors.
The sum of these divisors (counting 68389938) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000100111000110000110010
3
Ternary
11202200120100200
4
Quaternary
10010320300302
5
Quinary
120001434223
6
Senary
10441500030
8
Octal
404706062
10
Decimal
68389938
12
Duodecimal
1aaa1616
16
Hexadecimal
4138c32
20
Vigesimal
1178egi
36
Base36
14pu0i
md5
b85d28d75cbcb2ccc39f70a05d0e4987
sha1
6e8b9ae4233e59c8b07ea8ee3f480b924bf697b7
sha256
ef7901cabe28a5b3ae3955dd18e5051a48f6203cfe4814c87bbeda1ee740e84e
sha512
7631ac846a2861c51d9eb6cc6bf0190188da042cea9ba1651a4aaedcb6fc2f5759f54e8399d4a5624d045411f8eafd764279d9b7adbdf98a47e14d290f8a8439
ripemd-160
50cb6c444210d8a5e5cf7d312e23800864750bed
Diameter
136779876
Circumference
429706653.60052
Area
1.4693805698964E+16
Volume
1.3398779476482E+24
Surface area
5.8775222795854E+16
Circumference
429706653.60052
Perimeter
273559752
Area
4677183619643844
Diagonal
96717977.849455
Surface area
28063101717863064
Volume
3.1987229776206E+23
Space diagonal
118454847.34249
Perimeter
205169814
Area
2.025279916388E+15
Altitude
59227423.671243
Surface area
2.025279916388E+15
Volume
3.7697311810212E+22
Height
32239325.949818