68638406 is an even 8-digits composite number following 68638405
and preceding 68638407 . In scientific notation, it is written as 6.8638406 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 33521040 positive integers (up to 68638406) that are relatively prime to 68638406.
68638406 has 8 divisors, whose sum is 105352104
The reverse of 68638406 is 60483686
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-eight million six hundred thirty-eight thousand four hundred six
Scientific notation
6.8638406 × 10^7
Engineering notation
6.8638406 × 10^6
Prime Factorization
2 × 43 × 798121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
68638406
Product of the distinct prime numbers
The prime factorization of 68638406 is 2 × 43 × 798121.
Since it has a total of 3 prime factors.
1 , 3 , 76 , 30 , 418 , 972 , 4556 , 2073 , 95430 , 34170 , 495958 , 603513 , 8588616 , 4146861 , 46158544 , 18731574 , 585156623 , 758517842 , 1758334242 , 6569405162
n×2
137276812
n×3
205915218
n×4
274553624
n×5
343192030
n÷2
34319203
n÷3
22879468.666667
n÷3
17159601.5
n÷5
13727681.2
n2
4711230778220836
n3
3.2337137091522E+23
n4
2.2195695445655E+31
n5
1.5234771554512E+39
2 √n
8284.8298715182
3 √n
409.4388635366
4 √n
91.021040817594
5 √n
36.92439922167
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
-68638405
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 68638406 can be divided by 8 positive divisors.
The sum of these divisors (counting 68638406) is 1, the average is 0.125.
Base
System
Value
2
Binary
100000101110101011011000110
3
Ternary
11210011012012012
4
Quaternary
10011311123012
5
Quinary
120032412111
6
Senary
10451054222
8
Octal
405653306
10
Decimal
68638406
12
Duodecimal
1aba1372
16
Hexadecimal
41756c6
20
Vigesimal
118jg06
36
Base36
14v5qe
md5
525b2432cefb1b420157666b828865f1
sha1
f79c2c8c897306862dd4254d629d9f81209ba50d
sha256
4341016e95f3df93cdd432927fe2d98ba81d091143e2a201598689c680882009
sha512
2a48272a8cd28d88c120d55ebab767cd6a0a3842c5217456d203c3e56ac44a736c47445a2288960e5fb0e11922a90b61136af7dc70934f571234c7c6c575b82a
ripemd-160
9ace7503ff71366a11d0937e488fb858805d7bbc
Diameter
137276812
Circumference
431267824.08743
Area
1.4800768002225E+16
Volume
1.354534830998E+24
Surface area
5.9203072008899E+16
Circumference
431267824.08743
Perimeter
274553624
Area
4711230778220836
Diagonal
97069364.664871
Surface area
28267384669325016
Volume
3.2337137091522E+23
Space diagonal
118885206.54254
Perimeter
205915218
Area
2.0400227685152E+15
Altitude
59442603.27127
Surface area
2.0400227685152E+15
Volume
3.8109681535957E+22
Height
32356454.88829