138807 is an odd 6-digits composite number following 138806
and preceding 138808 . In scientific notation, it is written as 1.38807 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 89856 positive integers (up to 138807) that are relatively prime to 138807.
138807 has 16 divisors, whose sum is 211680
The reverse of 138807 is 708831
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred thirty-eight thousand eight hundred seven
Scientific notation
1.38807 × 10^5
Engineering notation
1.38807 × 10^3
Prime Factorization
9 × 3 × 53 × 97
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138807
Product of the distinct prime numbers
The prime factorization of 138807 is 9 × 3 × 53 × 97.
Since it has a total of 4 prime factors.
5 , 8 , 40 , 9 , 270 , 101 , 4418 , 6921 , 94308 , 69319 , 314975 , 512307 , 5201769 , 1060162 , 28201782 , 3400931 , 52575757 , 26534231 , 4279897053 , 9996808774
n×2
277614
n×3
416421
n×4
555228
n×5
694035
n÷2
69403.5
n÷3
46269
n÷3
34701.75
n÷5
27761.4
n2
19267383249
n3
2674447666643943
n4
3.7123205726385E+20
n5
5.1529608172623E+25
2 √n
372.56811457772
3 √n
51.777028518912
4 √n
19.302023587638
5 √n
10.677812085233
1 , 3 , 9 , 27 , 53 , 97 , 159 , 291 , 477 , 873 , 1431 , 2619 , 5141 , 15423 , 46269 , 138807
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138806
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138807 can be divided by 16 positive divisors.
The sum of these divisors (counting 138807) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111000110111
3
Ternary
21001102000
4
Quaternary
201320313
5
Quinary
13420212
6
Senary
2550343
8
Octal
417067
10
Decimal
138807
12
Duodecimal
683b3
16
Hexadecimal
21e37
20
Vigesimal
h707
36
Base36
2z3r
md5
327d904fb6d7a3ce8af490ebd35d92a7
sha1
d791a8f8ea4271465282d597d4e71792f3eddc93
sha256
79cc90a3685ea9fe61e8f8aa9b96f980309a617d9ac5429fefaad90b6f445c52
sha512
6600b02c27aebbaea934f64612ba57d2383e23d2201090e421d2b1a8ce6c4cf6248c1222704613a416add6c11d3b1541f834a3870a7a8be4d92cfd9b89cbb1a4
ripemd-160
9cf064a703ef3d1a3e3e822d7a08b017701ba009
Diameter
277614
Circumference
872150.10293368
Area
60530269668.957
Volume
1.1202700189252E+16
Surface area
242121078675.83
Circumference
872150.10293368
Perimeter
555228
Area
19267383249
Diagonal
196302.74195232
Surface area
115604299494
Volume
2674447666643943
Space diagonal
240420.77644621
Perimeter
416421
Area
8343021679.0424
Altitude
120210.38822311
Surface area
8343021679.0424
Volume
3.1518668016875E+14
Height
65434.247317441