138408906 is an even 9-digits composite number following 138408905
and preceding 138408907 . In scientific notation, it is written as 1.38408906 × 10^8.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 46136300 positive integers (up to 138408906) that are relatively prime to 138408906.
138408906 has 8 divisors, whose sum is 276817824
The reverse of 138408906 is 609804831
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred thirty-eight million four hundred eight thousand nine hundred six
Scientific notation
1.38408906 × 10^8
Engineering notation
1.38408906 × 10^6
Prime Factorization
2 × 3 × 23068151
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138408906
Product of the distinct prime numbers
The prime factorization of 138408906 is 2 × 3 × 23068151.
Since it has a total of 3 prime factors.
4 , 8 , 63 , 97 , 796 , 85 , 2810 , 8850 , 47669 , 96610 , 619519 , 216539 , 7313271 , 5139573 , 5186487 , 10452498 , 625636225 , 649226275 , 6572658825 , 2275461806
n×2
276817812
n×3
415226718
n×4
553635624
n×5
692044530
n÷2
69204453
n÷3
46136302
n÷3
34602226.5
n÷5
27681781.2
n2
19157025260116836
n3
2.6515029084671E+24
n4
3.6699161681675E+32
n5
5.0794908194778E+40
2 √n
11764.731446149
3 √n
517.2748284082
4 √n
108.46534675254
5 √n
42.484724583476
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
-138408905
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 138408906 can be divided by 8 positive divisors.
The sum of these divisors (counting 138408906) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111111111001111001010
3
Ternary
100122102220022210
4
Quaternary
20033333033022
5
Quinary
240413041111
6
Senary
21422325550
8
Octal
1017771712
10
Decimal
138408906
12
Duodecimal
3a4298b6
16
Hexadecimal
83ff3ca
20
Vigesimal
2351256
36
Base36
2aekzu
md5
61c0ce83d6fffecd5726860aa4024b54
sha1
e977058951e66c7b03278f51237eee4e4696f303
sha256
1f6f0ee296cb99d113f2f49f9e6bf0da3b4fa45412f1b4db7fc7fac043db41b4
sha512
0d9042a9751bcf6b8cc8313f2a0e965a7b6808894cac18d3c968b3c94a9a9f2a48022ae6c4a88350727686623bbf44c26ec172a00ba1a636418dc4574c8414c2
ripemd-160
ac36771d10d8d5314290a97d474af54d1717350a
Diameter
276817812
Circumference
869648804.562
Area
6.0183569821817E+16
Volume
1.110658941095E+25
Surface area
2.4073427928727E+17
Circumference
869648804.562
Perimeter
553635624
Area
19157025260116836
Diagonal
195739752.01842
Surface area
114942151560701016
Volume
2.6515029084671E+24
Space diagonal
239731257.41202
Perimeter
415226718
Area
8.2952352681007E+15
Altitude
119865628.70601
Surface area
8.2952352681007E+15
Volume
3.1248261448549E+23
Height
65246584.006141