68638468 is an even 8-digits composite number following 68638467
and preceding 68638469 . In scientific notation, it is written as 6.8638468 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 6 positive divisors.
There are 34319232 positive integers (up to 68638468) that are relatively prime to 68638468.
68638468 has 6 divisors, whose sum is 120117326
The reverse of 68638468 is 86483686
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million six hundred thirty-eight thousand four hundred sixty-eight
Scientific notation
6.8638468 × 10^7
Engineering notation
6.8638468 × 10^6
Prime Factorization
2 × 2 × 17159617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
34319234
Product of the distinct prime numbers
The prime factorization of 68638468 is 2 × 2 × 17159617.
Since it has a total of 3 prime factors.
5 , 1 , 60 , 54 , 803 , 331 , 3541 , 499 , 67402 , 63308 , 482932 , 955896 , 9130526 , 849160 , 8502467 , 90479953 , 153533377 , 731656271 , 9459860884 , 4799321795
n×2
137276936
n×3
205915404
n×4
274553872
n×5
343192340
n÷2
34319234
n÷3
22879489.333333
n÷3
17159617
n÷5
13727693.6
n2
4711239289387024
n3
3.2337224720493E+23
n4
2.2195775641864E+31
n5
1.5234840361293E+39
2 √n
8284.833613296
3 √n
409.43898681647
4 √n
91.021061372059
5 √n
36.924405892314
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68638467
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68638468 can be divided by 6 positive divisors.
The sum of these divisors (counting 68638468) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100000101110101011100000100
3
Ternary
11210011012021111
4
Quaternary
10011311130010
5
Quinary
120032412333
6
Senary
10451054404
8
Octal
405653404
10
Decimal
68638468
12
Duodecimal
1aba1404
16
Hexadecimal
4175704
20
Vigesimal
118jg38
36
Base36
14v5s4
md5
51ad6c6fe9bd67b9361a720e18d1b60d
sha1
66dfbc0c0644020cba894109c240575cbb0e1023
sha256
9d145eba2146b44cbaa5c07d28fc2e169c0245f54bcc803c2853a1c867963f26
sha512
caa161a0bedbe05ca061091b6e1e59ea96689ae2868b62cddc83df6ecd452cd3b65f3fed1cb1b3664db8da285e28830f33f2b5c6048cf6673c63c54225953c57
ripemd-160
63e627d61548f10b15367bcbd3a2b264eaa3f3f5
Diameter
137276936
Circumference
431268213.64492
Area
1.4800794740842E+16
Volume
1.3545385015918E+24
Surface area
5.9203178963367E+16
Circumference
431268213.64492
Perimeter
274553872
Area
4711239289387024
Diagonal
97069452.346112
Surface area
28267435736322144
Volume
3.2337224720493E+23
Space diagonal
118885313.92969
Perimeter
205915404
Area
2.0400264539583E+15
Altitude
59442656.964845
Surface area
2.0400264539583E+15
Volume
3.810978480769E+22
Height
32356484.115371