68091888 is an even 8-digits composite number following 68091887
and preceding 68091889 . In scientific notation, it is written as 6.8091888 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 20 positive divisors.
There are 22697280 positive integers (up to 68091888) that are relatively prime to 68091888.
68091888 has 20 divisors, whose sum is 175904168
The reverse of 68091888 is 88819086
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
sixty-eight million ninety-one thousand eight hundred eighty-eight
Scientific notation
6.8091888 × 10^7
Engineering notation
6.8091888 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 1418581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8511486
Product of the distinct prime numbers
The prime factorization of 68091888 is 2 × 2 × 2 × 2 × 3 × 1418581.
Since it has a total of 6 prime factors.
4 , 9 , 53 , 25 , 63 , 583 , 2918 , 4026 , 82234 , 44332 , 564360 , 143184 , 4589694 , 9320132 , 7249019 , 3725149 , 963029742 , 962844216 , 1175542185 , 8861301520
n×2
136183776
n×3
204275664
n×4
272367552
n×5
340459440
n÷2
34045944
n÷3
22697296
n÷3
17022972
n÷5
13618377.6
n2
4636505211404544
n3
3.1570839356637E+23
n4
2.1497180575381E+31
n5
1.4637836120547E+39
2 √n
8251.7808986909
3 √n
408.34927799277
4 √n
90.839313618559
5 √n
36.865410588979
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 1418581 , 2837162 , 4255743 , 5674324 , 8511486 , 11348648 , 17022972 , 22697296 , 34045944 , 68091888
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
-68091887
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 68091888 can be divided by 20 positive divisors.
The sum of these divisors (counting 68091888) is 1, the average is 0.05.
Base
System
Value
2
Binary
100000011101111111111110000
3
Ternary
11202010102111210
4
Quaternary
10003233333300
5
Quinary
114412420023
6
Senary
10431240120
8
Octal
403577760
10
Decimal
68091888
12
Duodecimal
1a979040
16
Hexadecimal
40efff0
20
Vigesimal
115b9e8
36
Base36
14jg1c
md5
b3a0977d978622ad48e2c990b2480ee1
sha1
8787a80ee432448274b751538aaa64a13c1c47c5
sha256
5b624f863cbd56010b4ac6b7a0b9a1266c789f2502985eced3f3fca8145edbf9
sha512
c3e993f058b483d021a3dcd8766cdc9260649af1ab1a3b041dc17d614ff6be063bdee082d099b9af6663baa1c799432bc180419f61575d965cccf0da4a401302
ripemd-160
1e3ba54c2a056c551cf33f0988bc299ddc3f3e35
Diameter
136183776
Circumference
427833950.21972
Area
1.4566010710479E+16
Volume
1.3224362265397E+24
Surface area
5.8264042841917E+16
Circumference
427833950.21972
Perimeter
272367552
Area
4636505211404544
Diagonal
96296471.49719
Surface area
27819031268427264
Volume
3.1570839356637E+23
Space diagonal
117938609.59929
Perimeter
204275664
Area
2.0076656489276E+15
Altitude
58969304.799645
Surface area
2.0076656489276E+15
Volume
3.7206590994716E+22
Height
32098823.832397