68355891 is an odd 8-digits composite number following 68355890
and preceding 68355892 . In scientific notation, it is written as 6.8355891 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 44712000 positive integers (up to 68355891) that are relatively prime to 68355891.
68355891 has 24 divisors, whose sum is 100616880
The reverse of 68355891 is 19855386
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-eight million three hundred fifty-five thousand eight hundred ninety-one
Scientific notation
6.8355891 × 10^7
Engineering notation
6.8355891 × 10^6
Prime Factorization
3 × 3 × 139 × 101 × 541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
22785297
Product of the distinct prime numbers
The prime factorization of 68355891 is 3 × 3 × 139 × 101 × 541.
Since it has a total of 5 prime factors.
10 , 2 , 95 , 46 , 950 , 136 , 5068 , 4984 , 89073 , 21281 , 749952 , 91019 , 4989983 , 8178581 , 84771630 , 11433010 , 923519231 , 70720327 , 8139871862 , 3687678531
n×2
136711782
n×3
205067673
n×4
273423564
n×5
341779455
n÷2
34177945.5
n÷3
22785297
n÷3
17088972.75
n÷5
13671178.2
n2
4672527834403881
n3
3.1939480334298E+23
n4
2.1832516363279E+31
n5
1.492381108784E+39
2 √n
8267.7621518764
3 √n
408.87634228145
4 √n
90.927235479126
5 √n
36.893952961344
1 , 3 , 9 , 101 , 139 , 303 , 417 , 541 , 909 , 1251 , 1623 , 4869 , 14039 , 42117 , 54641 , 75199 , 126351 , 163923 , 225597 , 491769 , 676791 , 7595099 , 22785297 , 68355891
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
-68355890
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 68355891 can be divided by 24 positive divisors.
The sum of these divisors (counting 68355891) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000100110000011100110011
3
Ternary
11202121211122200
4
Quaternary
10010300130303
5
Quinary
114444342031
6
Senary
10441034243
8
Octal
404603463
10
Decimal
68355891
12
Duodecimal
1aa85983
16
Hexadecimal
4130733
20
Vigesimal
11749eb
36
Base36
14p3qr
md5
caed963635f515414efc3d4226f93a49
sha1
31a12feb289b93e7a39eb9d96ddb58380eb952b8
sha256
d715ff7d046bfddadc0282cda9c6a7d24775321544e55ac4e46dbe8aee43277d
sha512
47df78a50828b9f557858284adeb44609f8a202c638ff4267dbdad8ec4c375e80cbdbb3ec882c1d40b6edd4143ee8ce6feec91e5e9b23ec28acb7d2b4c971910
ripemd-160
2be97554d245e301e542fd3e8104ac3dd2ba1b8c
Diameter
136711782
Circumference
429492729.99037
Area
1.4679179118257E+16
Volume
1.3378778237027E+24
Surface area
5.8716716473028E+16
Circumference
429492729.99037
Perimeter
273423564
Area
4672527834403881
Diagonal
96669828.120297
Surface area
28035167006423286
Volume
3.1939480334298E+23
Space diagonal
118395876.20864
Perimeter
205067673
Area
2.0232639022418E+15
Altitude
59197938.10432
Surface area
2.0232639022418E+15
Volume
3.7641038553261E+22
Height
32223276.040099