68638188 is an even 8-digits composite number following 68638187
and preceding 68638189 . In scientific notation, it is written as 6.8638188 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 22879392 positive integers (up to 68638188) that are relatively prime to 68638188.
68638188 has 12 divisors, whose sum is 160155800
The reverse of 68638188 is 88183686
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 six hundred thirty-eight thousand one hundred eighty-eight
Scientific notation
6.8638188 × 10^7
Engineering notation
6.8638188 × 10^6
Prime Factorization
2 × 2 × 3 × 5719849
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34319094
Product of the distinct prime numbers
The prime factorization of 68638188 is 2 × 2 × 3 × 5719849.
Since it has a total of 4 prime factors.
8 , 5 , 87 , 10 , 771 , 911 , 8068 , 7806 , 64529 , 36612 , 468818 , 802288 , 5353470 , 206166 , 78007663 , 42339753 , 193392863 , 525135308 , 57312552 , 5683317757
n×2
137276376
n×3
205914564
n×4
274552752
n×5
343190940
n÷2
34319094
n÷3
22879396
n÷3
17159547
n÷5
13727637.6
n2
4711200851923344
n3
3.2336828978007E+23
n4
2.2195413467163E+31
n5
1.5234529622969E+39
2 √n
8284.816714931
3 √n
409.43843006807
4 √n
91.020968545336
5 √n
36.924375766786
1 , 2 , 3 , 4 , 6 , 12 , 5719849 , 11439698 , 17159547 , 22879396 , 34319094 , 68638188
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68638187
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68638188 can be divided by 12 positive divisors.
The sum of these divisors (counting 68638188) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100000101110101010111101100
3
Ternary
11210011011220010
4
Quaternary
10011311113230
5
Quinary
120032410223
6
Senary
10451053220
8
Octal
405652754
10
Decimal
68638188
12
Duodecimal
1aba1210
16
Hexadecimal
41755ec
20
Vigesimal
118jf98
36
Base36
14v5kc
md5
054dc7f8b151b23815d74dda34389be8
sha1
1685b37f2a510e55da45f15745137fee14f22c7c
sha256
9edd5827f9be8daa12b0bdbee6d9d2914d4d1083baf1e6b99b35c0ea82c5fd06
sha512
e386a298cd097611bae6b34ae256f893b08877336b3e49d28607362182556dd90950f53c69a50b476e0e29a4ef088fac17499b3dadb5feb645436d90ffc703cf
ripemd-160
a56f300b66e37f11a0c8762775a4f3f2d822af75
Diameter
137276376
Circumference
431266454.35303
Area
1.4800673985988E+16
Volume
1.3545219247693E+24
Surface area
5.9202695943953E+16
Circumference
431266454.35303
Perimeter
274552752
Area
4711200851923344
Diagonal
97069056.366314
Surface area
28267205111540064
Volume
3.2336828978007E+23
Space diagonal
118884828.95546
Perimeter
205914564
Area
2.0400098100483E+15
Altitude
59442414.477732
Surface area
2.0400098100483E+15
Volume
3.8109318420698E+22
Height
32356352.122105