68188081 is an odd 8-digits composite number following 68188080
and preceding 68188082 . In scientific notation, it is written as 6.8188081 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 62589072 positive integers (up to 68188081) that are relatively prime to 68188081.
68188081 has 8 divisors, whose sum is 73846080
The reverse of 68188081 is 18088186
Previous prime number is 179
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-eight million one hundred eighty-eight thousand eighty-one
Scientific notation
6.8188081 × 10^7
Engineering notation
6.8188081 × 10^6
Prime Factorization
13 × 179 × 29303
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68188081
Product of the distinct prime numbers
The prime factorization of 68188081 is 13 × 179 × 29303.
Since it has a total of 3 prime factors.
3 , 8 , 52 , 56 , 698 , 837 , 2749 , 579 , 50886 , 12263 , 521026 , 389758 , 1478627 , 1425201 , 91717451 , 4070137 , 255037079 , 661881181 , 1755050000 , 9352370430
n×2
136376162
n×3
204564243
n×4
272752324
n×5
340940405
n÷2
34094040.5
n÷3
22729360.333333
n÷3
17047020.25
n÷5
13637616.2
n2
4649614390462561
n3
3.1704828267563E+23
n4
2.1618913979997E+31
n5
1.4741522576E+39
2 √n
8257.6074622133
3 √n
408.54147836945
4 √n
90.871378674549
5 √n
36.87582061686
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68188080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68188081 can be divided by 8 positive divisors.
The sum of these divisors (counting 68188081) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000100000111011110110001
3
Ternary
11202022022110111
4
Quaternary
10010013132301
5
Quinary
114424004311
6
Senary
10433301321
8
Octal
404073661
10
Decimal
68188081
12
Duodecimal
1aa04841
16
Hexadecimal
41077b1
20
Vigesimal
1163a41
36
Base36
14li9d
md5
32bb03c5040db79f5c7888bc9f45aa45
sha1
69af450ffc50b6592fbb3983a70e761ca80a4bdf
sha256
6b8a6714a3612b21eb40ee54e73b7db7adeddb0bb43f1fe7eadea3969ff90867
sha512
84d041da4aeb9da6a507f0716195ab39eb993b5d96d61aab760f2ccf66e5cdb57ebc8e23dbe2c0d23a14e1f0650ecbf0a9853fc2cd43d7077a06b0cf3707c4ac
ripemd-160
88e2d6b0893c2c9828e6f6bc69b98e0ecb8f902c
Diameter
136376162
Circumference
428438348.66397
Area
1.4607194411103E+16
Volume
1.328048740916E+24
Surface area
5.842877764441E+16
Circumference
428438348.66397
Perimeter
272752324
Area
4649614390462561
Diagonal
96432508.942395
Surface area
27897686342775366
Volume
3.1704828267563E+23
Space diagonal
118105220.76262
Perimeter
204564243
Area
2.0133420899711E+15
Altitude
59052610.381311
Surface area
2.0133420899711E+15
Volume
3.7364498440581E+22
Height
32144169.647465