68888940 is an even 8-digits composite number following 68888939
and preceding 68888941 . In scientific notation, it is written as 6.8888940 × 10^7.
The sum of its digits is 51. It has a total of 5 prime factors and 24 positive divisors.
There are 18330624 positive integers (up to 68888940) that are relatively prime to 68888940.
68888940 has 24 divisors, whose sum is 128871232
The reverse of 68888940 is 04988886
Previous prime number is 613
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-eight million eight hundred eighty-eight thousand nine hundred forty
Scientific notation
6.8888940 × 10^7
Engineering notation
6.8888940 × 10^6
Prime Factorization
2 × 2 × 15 × 613 × 1873
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
34444470
Product of the distinct prime numbers
The prime factorization of 68888940 is 2 × 2 × 15 × 613 × 1873.
Since it has a total of 5 prime factors.
4 , 8 , 57 , 96 , 610 , 814 , 2570 , 8637 , 12257 , 33598 , 815249 , 569660 , 6881995 , 455447 , 15792091 , 16253497 , 56440650 , 851467561 , 7636165636 , 6782891596
n×2
137777880
n×3
206666820
n×4
275555760
n×5
344444700
n÷2
34444470
n÷3
22962980
n÷3
17222235
n÷5
13777788
n2
4745686054323600
n3
3.2692528185514E+23
n4
2.2521536126201E+31
n5
1.5514847509057E+39
2 √n
8299.9361443327
3 √n
409.93641687011
4 √n
91.103985337265
5 √n
36.951315174641
1 , 2 , 4 , 15 , 30 , 60 , 613 , 1226 , 1873 , 2452 , 3746 , 7492 , 9195 , 18390 , 28095 , 36780 , 56190 , 112380 , 1148149 , 2296298 , 4592596 , 17222235 , 34444470 , 68888940
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
-68888939
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 68888940 can be divided by 24 positive divisors.
The sum of these divisors (counting 68888940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000110110010100101101100
3
Ternary
11210121220212020
4
Quaternary
10012302211230
5
Quinary
120113421230
6
Senary
10500310140
8
Octal
406624554
10
Decimal
68888940
12
Duodecimal
1b0a2350
16
Hexadecimal
41b296c
20
Vigesimal
11ab270
36
Base36
150j1o
md5
ebd4317a358ef28079e89605e233fa07
sha1
2f9220d298c41da4ef0aff8cf83529d69fbf6ad6
sha256
dd79b3a7c8d5bb49689da128e26780fb007be237c4f435878c1b165887c5f47a
sha512
847e97cd8fc32def1dd005e5861e04b78e5262381a5aecf156b0265260c4b9e743788a71d0059999d69ae3d8b2d6081c08b30b5bae7c0c5d78b50e61f79a33b9
ripemd-160
b8aabb5355ffefdbcad43414218f9ee6739eafb6
Diameter
137777880
Circumference
432841975.63518
Area
1.4909012444507E+16
Volume
1.3694214183318E+24
Surface area
5.9636049778026E+16
Circumference
432841975.63518
Perimeter
275555760
Area
4745686054323600
Diagonal
97423673.245506
Surface area
28474116325941600
Volume
3.2692528185514E+23
Space diagonal
119319144.15956
Perimeter
206666820
Area
2.0549423407149E+15
Altitude
59659572.079782
Surface area
2.0549423407149E+15
Volume
3.8528513956848E+22
Height
32474557.748502