68638495 is an odd 8-digits composite number following 68638494
and preceding 68638496 . In scientific notation, it is written as 6.8638495 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 53139360 positive integers (up to 68638495) that are relatively prime to 68638495.
68638495 has 8 divisors, whose sum is 85023360
The reverse of 68638495 is 59483686
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-eight million six hundred thirty-eight thousand four hundred ninety-five
Scientific notation
6.8638495 × 10^7
Engineering notation
6.8638495 × 10^6
Prime Factorization
5 × 31 × 442829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68638495
Product of the distinct prime numbers
The prime factorization of 68638495 is 5 × 31 × 442829.
Since it has a total of 3 prime factors.
7 , 4 , 40 , 28 , 669 , 214 , 5332 , 6788 , 84461 , 55730 , 885789 , 347877 , 772935 , 9280879 , 72986795 , 80160316 , 171407537 , 318314348 , 9878394400 , 2356992733
n×2
137276990
n×3
205915485
n×4
274553980
n×5
343192475
n÷2
34319247.5
n÷3
22879498.333333
n÷3
17159623.75
n÷5
13727699
n2
4711242995865025
n3
3.2337262881547E+23
n4
2.2195810566087E+31
n5
1.5234870325613E+39
2 √n
8284.8352427794
3 √n
409.43904050284
4 √n
91.021070323192
5 √n
36.924408797271
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68638494
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68638495 can be divided by 8 positive divisors.
The sum of these divisors (counting 68638495) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101110101011100011111
3
Ternary
11210011012022111
4
Quaternary
10011311130133
5
Quinary
120032412440
6
Senary
10451054451
8
Octal
405653437
10
Decimal
68638495
12
Duodecimal
1aba1427
16
Hexadecimal
417571f
20
Vigesimal
118jg4f
36
Base36
14v5sv
md5
efff9109c2a0b9f226f2acec92ef9263
sha1
20cb8ae75b4436a4b3ef3166d19164a01336ccf9
sha256
6f08d42aafaa541150a04164610494b8dc5f95c870ae4c157b1997240aae5399
sha512
918c6a3f147b9af8d169549a38a92520a04725715bab9a778da9382372183a10900f4eee1625c38d895b4245269d18714c511cce7ec839038da0399aa316989b
ripemd-160
8c47331ee5ceea2b1bcbcdad4dbb0fa09e8a39b0
Diameter
137276990
Circumference
431268383.29092
Area
1.4800806385086E+16
Volume
1.3545401000783E+24
Surface area
5.9203225540344E+16
Circumference
431268383.29092
Perimeter
274553980
Area
4711242995865025
Diagonal
97069490.529878
Surface area
28267457975190150
Volume
3.2337262881547E+23
Space diagonal
118885360.69506
Perimeter
205915485
Area
2.0400280589103E+15
Altitude
59442680.347531
Surface area
2.0400280589103E+15
Volume
3.8109829780923E+22
Height
32356496.843293