138840205 is an odd 9-digits composite number following 138840204
and preceding 138840206 . In scientific notation, it is written as 1.38840205 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 95204688 positive integers (up to 138840205) that are relatively prime to 138840205.
138840205 has 8 divisors, whose sum is 190409472
The reverse of 138840205 is 502048831
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-eight million eight hundred forty thousand two hundred five
Scientific notation
1.38840205 × 10^8
Engineering notation
1.38840205 × 10^6
Prime Factorization
5 × 7 × 3966863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138840205
Product of the distinct prime numbers
The prime factorization of 138840205 is 5 × 7 × 3966863.
Since it has a total of 3 prime factors.
3 , 4 , 64 , 93 , 659 , 187 , 8379 , 6489 , 81174 , 28288 , 12519 , 146068 , 8607576 , 5415059 , 20311149 , 80826862 , 150581996 , 861555222 , 6715426079 , 5317916614
n×2
277680410
n×3
416520615
n×4
555360820
n×5
694201025
n÷2
69420102.5
n÷3
46280068.333333
n÷3
34710051.25
n÷5
27768041
n2
19276602524442025
n3
2.676367446197E+24
n4
3.7158740488532E+32
n5
5.1591271469696E+40
2 √n
11783.047356266
3 √n
517.8115683895
4 √n
108.54974599816
5 √n
42.5111691569
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
-138840204
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 138840205 can be divided by 8 positive divisors.
The sum of these divisors (counting 138840205) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001101000100010001101
3
Ternary
100200020210221211
4
Quaternary
20101220202031
5
Quinary
241020341310
6
Senary
21435454421
8
Octal
1021504215
10
Decimal
138840205
12
Duodecimal
3a5b7411
16
Hexadecimal
846888d
20
Vigesimal
237f0a5
36
Base36
2antsd
md5
954ca72f1c9c6694be3348b352defc00
sha1
e8f5bcbf54a06b1469febca17242e5f23524c741
sha256
17a3699932b108e729582ca1747f62ba648e618430ee885817d49d75fbbcae5d
sha512
ce4f5e458c25d1b9e6e7fcf87f9dfef27b74f809e2d5755afed536893578047c09fe8a36e6215900116ee9d10d10a6b4565ced1f35f1fcc06a2820b6e387bef0
ripemd-160
f1f90ed4de2ecba53ab8c044c50036001f507157
Diameter
277680410
Circumference
872358736.1018
Area
6.0559232876958E+16
Volume
1.1210741743039E+25
Surface area
2.4223693150783E+17
Circumference
872358736.1018
Perimeter
555360820
Area
19276602524442025
Diagonal
196349700.91366
Surface area
115659615146652150
Volume
2.676367446197E+24
Space diagonal
240478289.19328
Perimeter
416520615
Area
8.347013742411E+15
Altitude
120239144.59664
Surface area
8.347013742411E+15
Volume
3.1541292835881E+23
Height
65449900.304554