138808 is an even 6-digits composite number following 138807
and preceding 138809 . In scientific notation, it is written as 1.38808 × 10^5.
The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors.
There are 69400 positive integers (up to 138808) that are relatively prime to 138808.
138808 has 8 divisors, whose sum is 260280
The reverse of 138808 is 808831
Previous prime number is 2
Is Prime? no
Number parity even
Number length 6
Sum of Digits 28
Digital Root 1
Name
one hundred thirty-eight thousand eight hundred eight
Scientific notation
1.38808 × 10^5
Engineering notation
1.38808 × 10^3
Prime Factorization
2 × 2 × 2 × 17351
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
34702
Product of the distinct prime numbers
The prime factorization of 138808 is 2 × 2 × 2 × 17351.
Since it has a total of 4 prime factors.
2 , 10 , 31 , 56 , 27 , 514 , 3268 , 760 , 34472 , 84666 , 221339 , 83396 , 4829645 , 8359045 , 5816525 , 24986414 , 151115445 , 23027980 , 2285796459 , 4962111653
n×2
277616
n×3
416424
n×4
555232
n×5
694040
n÷2
69404
n÷3
46269.333333333
n÷3
34702
n÷5
27761.6
n2
19267660864
n3
2674505469210112
n4
3.7124275517012E+20
n5
5.1531464359654E+25
2 √n
372.56945661178
3 √n
51.777152856792
4 √n
19.302058351683
5 √n
10.677827470309
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
-138807
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 138808 can be divided by 8 positive divisors.
The sum of these divisors (counting 138808) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111000111000
3
Ternary
21001102001
4
Quaternary
201320320
5
Quinary
13420213
6
Senary
2550344
8
Octal
417070
10
Decimal
138808
12
Duodecimal
683b4
16
Hexadecimal
21e38
20
Vigesimal
h708
36
Base36
2z3s
md5
b22992fcf247bf076e035a1e64922ab4
sha1
6d295c0d9a66fa9c8acd9418d767a6864e4ce67e
sha256
e5f942e7ec2ca28079b08677748b8a959a04335ae92fc14dcb52ab13665bb70a
sha512
5dd6f25e9b1e6f5b48f9e0fa9574c8577653998260ba190c16fec73c76558cf6e9e2a8d6ea3af564f9b72263291dbad78abbc804cfa32c13b458f907ab94ea09
ripemd-160
0d5a45569003257897612841db43120583e5b7cf
Diameter
277616
Circumference
872156.38611898
Area
60531141822.202
Volume
1.1202942312075E+16
Surface area
242124567288.81
Circumference
872156.38611898
Perimeter
555232
Area
19267660864
Diagonal
196304.15616588
Surface area
115605965184
Volume
2674505469210112
Space diagonal
240422.50849702
Perimeter
416424
Area
8343141889.8636
Altitude
120211.25424851
Surface area
8343141889.8636
Volume
3.151934922665E+14
Height
65434.718721962