138839 is an odd 6-digits composite number following 138838
and preceding 138840 . In scientific notation, it is written as 1.38839 × 10^5.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 130656 positive integers (up to 138839) that are relatively prime to 138839.
138839 has 4 divisors, whose sum is 147024
The reverse of 138839 is 938831
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 32
Digital Root 5
Name
one hundred thirty-eight thousand eight hundred thirty-nine
Scientific notation
1.38839 × 10^5
Engineering notation
1.38839 × 10^3
Prime Factorization
17 × 8167
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138839
Product of the distinct prime numbers
The prime factorization of 138839 is 17 × 8167.
Since it has a total of 2 prime factors.
2 , 1 , 48 , 88 , 240 , 686 , 3787 , 2978 , 25227 , 41257 , 723863 , 451578 , 4708136 , 9057425 , 56120561 , 89493482 , 619403265 , 714954460 , 9868161345 , 4114586555
n×2
277678
n×3
416517
n×4
555356
n×5
694195
n÷2
69419.5
n÷3
46279.666666667
n÷3
34709.75
n÷5
27767.8
n2
19276267921
n3
2676297761883719
n4
3.7157450496217E+20
n5
5.1589032694443E+25
2 √n
372.61105727018
3 √n
51.781007034901
4 √n
19.303135943939
5 √n
10.678304363695
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138839 can be divided by 4 positive divisors.
The sum of these divisors (counting 138839) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111001010111
3
Ternary
21001110012
4
Quaternary
201321113
5
Quinary
13420324
6
Senary
2550435
8
Octal
417127
10
Decimal
138839
12
Duodecimal
6841b
16
Hexadecimal
21e57
20
Vigesimal
h71j
36
Base36
2z4n
md5
2f150366fa9e59d5b4e3d1071d395264
sha1
806e2f07de322a4e98adfb8a4805a97f75510c29
sha256
044e4d4816fb4498f0297442bfeae243f436b2a8622fe67e22f418168802f019
sha512
bdb87c86831038920dc100f12fb16d77056515967c551be2377968f75b783f34fda627cbc427941b0da3c0f8f2292910070e06f179b1eddb3b7a1671ddd4da07
ripemd-160
b409849f4c18098f4324daf45b676d217bf26992
Diameter
277678
Circumference
872351.16486351
Area
60558181689.242
Volume
1.121044985007E+16
Surface area
242232726756.97
Circumference
872351.16486351
Perimeter
555356
Area
19276267921
Diagonal
196347.99678632
Surface area
115657607526
Volume
2676297761883719
Space diagonal
240476.20207206
Perimeter
416517
Area
8346868854.8705
Altitude
120238.10103603
Surface area
8346868854.8705
Volume
3.1540471598373E+14
Height
65449.332262106