138873 is an odd 6-digits composite number following 138872
and preceding 138874 . In scientific notation, it is written as 1.38873 × 10^5.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 74496 positive integers (up to 138873) that are relatively prime to 138873.
138873 has 8 divisors, whose sum is 162240
The reverse of 138873 is 378831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 6
Sum of Digits 30
Digital Root 3
Name
one hundred thirty-eight thousand eight hundred seventy-three
Scientific notation
1.38873 × 10^5
Engineering notation
1.38873 × 10^3
Prime Factorization
51 × 7 × 389
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138873
Product of the distinct prime numbers
The prime factorization of 138873 is 51 × 7 × 389.
Since it has a total of 3 prime factors.
8 , 7 , 54 , 73 , 904 , 952 , 7798 , 3702 , 76792 , 54665 , 479125 , 647587 , 2330341 , 1925507 , 43461110 , 14584941 , 158970877 , 938949281 , 1596185774 , 3790332055
n×2
277746
n×3
416619
n×4
555492
n×5
694365
n÷2
69436.5
n÷3
46291
n÷3
34718.25
n÷5
27774.6
n2
19285710129
n3
2678264422744617
n4
3.7193861517981E+20
n5
5.1652231305866E+25
2 √n
372.65667845887
3 √n
51.785233538372
4 √n
19.304317611842
5 √n
10.678827310115
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
-138872
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 138873 can be divided by 8 positive divisors.
The sum of these divisors (counting 138873) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111001111001
3
Ternary
21001111110
4
Quaternary
201321321
5
Quinary
13420443
6
Senary
2550533
8
Octal
417171
10
Decimal
138873
12
Duodecimal
68449
16
Hexadecimal
21e79
20
Vigesimal
h73d
36
Base36
2z5l
md5
264ef414e69ec46be80e624cb8099228
sha1
15b295213c4af58b4d302d106d8240315ab26b34
sha256
1808b908a49463e5a6a5f3cee4982ab93d63607bd2bb258ac1f9d017cd62194b
sha512
1514931d89b3cd20672cb04d4af4214a8858f29ae50b1c277f40b1657903eaa201f90fd8ab63a1139c7f54f7632bc0ecb28ff92f443c3b074b4b06f84426accb
ripemd-160
a788910c9489cb7d66f8c4cbd1df776927348d00
Diameter
277746
Circumference
872564.79316395
Area
60587845260.529
Volume
1.1218687779821E+16
Surface area
242351381042.11
Circumference
872564.79316395
Perimeter
555492
Area
19285710129
Diagonal
196396.08004744
Surface area
115714260774
Volume
2678264422744617
Space diagonal
240535.09179951
Perimeter
416619
Area
8350957450.8684
Altitude
120267.54589976
Surface area
8350957450.8684
Volume
3.156364891889E+14
Height
65465.360015813