138825 is an odd 6-digits composite number following 138824
and preceding 138826 . In scientific notation, it is written as 1.38825 × 10^5.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 73920 positive integers (up to 138825) that are relatively prime to 138825.
138825 has 8 divisors, whose sum is 170568
The reverse of 138825 is 528831
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred thirty-eight thousand eight hundred twenty-five
Scientific notation
1.38825 × 10^5
Engineering notation
1.38825 × 10^3
Prime Factorization
45 × 5 × 617
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138825
Product of the distinct prime numbers
The prime factorization of 138825 is 45 × 5 × 617.
Since it has a total of 3 prime factors.
9 , 7 , 7 , 61 , 628 , 1000 , 3668 , 340 , 15263 , 29773 , 565014 , 295417 , 1709369 , 7250214 , 11918077 , 74860020 , 651638992 , 931837299 , 5746528303 , 3931601867
n×2
277650
n×3
416475
n×4
555300
n×5
694125
n÷2
69412.5
n÷3
46275
n÷3
34706.25
n÷5
27765
n2
19272380625
n3
2675488240265625
n4
3.7142465495488E+20
n5
5.1563027724111E+25
2 √n
372.59227045123
3 √n
51.779266509385
4 √n
19.30264931172
5 √n
10.678089003038
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
-138824
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 138825 can be divided by 8 positive divisors.
The sum of these divisors (counting 138825) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111001001001
3
Ternary
21001102200
4
Quaternary
201321021
5
Quinary
13420300
6
Senary
2550413
8
Octal
417111
10
Decimal
138825
12
Duodecimal
68409
16
Hexadecimal
21e49
20
Vigesimal
h715
36
Base36
2z49
md5
f8684263662112a24159baf79930eba7
sha1
3f77a27c485fa184b54071300574105f824e5293
sha256
7f44cb0c2adc73561af0d42f0206c181fa76662d0be19e29a53245c58a12e80b
sha512
40fb809b80d1cc599a275ec638d92853ad510debc88a823f3cf96949f06327d311fae8bf39ec2a2c93cbc9686540b8fb908a3ba090591ebd835741621646f1e7
ripemd-160
ba348d50d52ad6c8864051155d835841e16b9d29
Diameter
277650
Circumference
872263.20026921
Area
60545969388.686
Volume
1.1207058933846E+16
Surface area
242183877554.75
Circumference
872263.20026921
Perimeter
555300
Area
19272380625
Diagonal
196328.19779644
Surface area
115634283750
Volume
2675488240265625
Space diagonal
240451.95336075
Perimeter
416475
Area
8345185606.3265
Altitude
120225.97668037
Surface area
8345185606.3265
Volume
3.1530931294611E+14
Height
65442.732598815