68638688 is an even 8-digits composite number following 68638687
and preceding 68638689 . In scientific notation, it is written as 6.8638688 × 10^7.
The sum of its digits is 53. It has a total of 7 prime factors and 24 positive divisors.
There are 33848064 positive integers (up to 68638688) that are relatively prime to 68638688.
68638688 has 24 divisors, whose sum is 136988208
The reverse of 68638688 is 88683686
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-eight million six hundred thirty-eight thousand six hundred eighty-eight
Scientific notation
6.8638688 × 10^7
Engineering notation
6.8638688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 73 × 29383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
4289918
Product of the distinct prime numbers
The prime factorization of 68638688 is 2 × 2 × 2 × 2 × 2 × 73 × 29383.
Since it has a total of 7 prime factors.
4 , 6 , 82 , 65 , 173 , 115 , 1375 , 2873 , 84230 , 71948 , 699006 , 733544 , 4298028 , 2035492 , 69693126 , 65411592 , 657067501 , 996703500 , 7806912350 , 8929973633
n×2
137277376
n×3
205916064
n×4
274554752
n×5
343193440
n÷2
34319344
n÷3
22879562.666667
n÷3
17159672
n÷5
13727737.6
n2
4711269490361344
n3
3.2337535663283E+23
n4
2.219606021081E+31
n5
1.523508451639E+39
2 √n
8284.8468905587
3 √n
409.43942426058
4 √n
91.021134307141
5 √n
36.924429562303
1 , 2 , 4 , 8 , 16 , 32 , 73 , 146 , 292 , 584 , 1168 , 2336 , 29383 , 58766 , 117532 , 235064 , 470128 , 940256 , 2144959 , 4289918 , 8579836 , 17159672 , 34319344 , 68638688
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
-68638687
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 68638688 can be divided by 24 positive divisors.
The sum of these divisors (counting 68638688) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100000101110101011111100000
3
Ternary
11210011012120122
4
Quaternary
10011311133200
5
Quinary
120032414223
6
Senary
10451055412
8
Octal
405653740
10
Decimal
68638688
12
Duodecimal
1aba1568
16
Hexadecimal
41757e0
20
Vigesimal
118jge8
36
Base36
14v5y8
md5
b3d5688c644e4c1dea937806f4c3b1eb
sha1
701cd1b6f3ab47d922a1bc24d9f98969f3134914
sha256
710e52e6b85c3520c6271060062c36ead779cf6fcda241ef88d73a0d19e87624
sha512
2c338accdc708ca0f509b4347f2f6349c3c9bb388348c6e0114e4095f0b9813565ba44052247410467da177038165fb3615520dc479646430675dcc2a918f9f6
ripemd-160
809042422c4f9cbb1261a38136fbe7da790a68fb
Diameter
137277376
Circumference
431269595.94568
Area
1.4800889620001E+16
Volume
1.3545515263329E+24
Surface area
5.9203558480004E+16
Circumference
431269595.94568
Perimeter
274554752
Area
4711269490361344
Diagonal
97069763.473095
Surface area
28267616942168064
Volume
3.2337535663283E+23
Space diagonal
118885694.98087
Perimeter
205916064
Area
2.0400395313637E+15
Altitude
59442847.490434
Surface area
2.0400395313637E+15
Volume
3.8110151257282E+22
Height
32356587.824365