138840285 is an odd 9-digits composite number following 138840284
and preceding 138840286 . In scientific notation, it is written as 1.38840285 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 73618752 positive integers (up to 138840285) that are relatively prime to 138840285.
138840285 has 16 divisors, whose sum is 223432704
The reverse of 138840285 is 582048831
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred thirty-eight million eight hundred forty thousand two hundred eighty-five
Scientific notation
1.38840285 × 10^8
Engineering notation
1.38840285 × 10^6
Prime Factorization
5 × 3 × 173 × 53503
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138840285
Product of the distinct prime numbers
The prime factorization of 138840285 is 5 × 3 × 173 × 53503.
Since it has a total of 4 prime factors.
9 , 8 , 98 , 85 , 584 , 805 , 9024 , 7936 , 8490 , 98687 , 38913 , 822954 , 5792488 , 9507503 , 73134764 , 36476689 , 136163104 , 435632589 , 9473661954 , 9705087013
n×2
277680570
n×3
416520855
n×4
555361140
n×5
694201425
n÷2
69420142.5
n÷3
46280095
n÷3
34710071.25
n÷5
27768057
n2
19276624738881225
n3
2.6763720725843E+24
n4
3.7158826132365E+32
n5
5.159142010483E+40
2 √n
11783.050750973
3 √n
517.81166784416
4 √n
108.5497616348
5 √n
42.511174055903
1 , 3 , 5 , 15 , 173 , 519 , 865 , 2595 , 53503 , 160509 , 267515 , 802545 , 9256019 , 27768057 , 46280095 , 138840285
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
-138840284
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 138840285 can be divided by 16 positive divisors.
The sum of these divisors (counting 138840285) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000010001101000100011011101
3
Ternary
100200020211001210
4
Quaternary
20101220203131
5
Quinary
241020342120
6
Senary
21435455033
8
Octal
1021504335
10
Decimal
138840285
12
Duodecimal
3a5b7479
16
Hexadecimal
84688dd
20
Vigesimal
237f0e5
36
Base36
2antul
md5
94b2a455c789b19d53e98410fa1070d3
sha1
01af432aa3910016f51cf820646f1b8eca4c2706
sha256
d8e4bf768c1295e2cfff76b803712aed46087db3d68897e92bb78e61515a4bba
sha512
2327d3afc9766b2536e631aa66d281cb8c7c1f32ab45cff2c6c4beae60f4486d86f6256442f346bfe20727600ccd7b7c32a66ed8dfd0059137e0bccc9018f821
ripemd-160
ffb32cc4653853cef6dc192392966a441c4ffb2c
Diameter
277680570
Circumference
872359238.75663
Area
6.0559302665677E+16
Volume
1.1210761122005E+25
Surface area
2.4223721066271E+17
Circumference
872359238.75663
Perimeter
555361140
Area
19276624738881225
Diagonal
196349814.05075
Surface area
115659748433287350
Volume
2.6763720725843E+24
Space diagonal
240478427.75734
Perimeter
416520855
Area
8.3470233615454E+15
Altitude
120239213.87867
Surface area
8.3470233615454E+15
Volume
3.1541347358378E+23
Height
65449938.016915