138840907 is an odd 9-digits composite number following 138840906
and preceding 138840908 . In scientific notation, it is written as 1.38840907 × 10^8.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 138143016 positive integers (up to 138840907) that are relatively prime to 138840907.
138840907 has 4 divisors, whose sum is 139538800
The reverse of 138840907 is 709048831
Previous prime number is 199
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred thirty-eight million eight hundred forty thousand nine hundred seven
Scientific notation
1.38840907 × 10^8
Engineering notation
1.38840907 × 10^6
Prime Factorization
199 × 697693
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138840907
Product of the distinct prime numbers
The prime factorization of 138840907 is 199 × 697693.
Since it has a total of 2 prime factors.
5 , 1 , 66 , 62 , 193 , 129 , 6529 , 8524 , 51627 , 97276 , 932549 , 891716 , 136087 , 4059904 , 5631219 , 98879750 , 710254908 , 33759829 , 6748818180 , 2249680013
n×2
277681814
n×3
416522721
n×4
555363628
n×5
694204535
n÷2
69420453.5
n÷3
46280302.333333
n÷3
34710226.75
n÷5
27768181.4
n2
19276797456582649
n3
2.6764080429272E+24
n4
3.7159492018211E+32
n5
5.1592575754677E+40
2 √n
11783.077144787
3 √n
517.81244110287
4 √n
108.54988320946
5 √n
42.511212145573
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138840906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138840907 can be divided by 4 positive divisors.
The sum of these divisors (counting 138840907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001101000101101001011
3
Ternary
100200020211220211
4
Quaternary
20101220231023
5
Quinary
241020402112
6
Senary
21435501551
8
Octal
1021505513
10
Decimal
138840907
12
Duodecimal
3a5b78b7
16
Hexadecimal
8468b4b
20
Vigesimal
237f257
36
Base36
2anubv
md5
0b730be47c5aefadba258e722111c0d0
sha1
813a9993826eb7c246d3f8ff3f0a31cd260bbc76
sha256
c310a75280ed2e9004fe537eb4658232a9429bd435e27b0dec6050dc06ca833d
sha512
3fc086f10d0ec66235af7d45537381d980efa10af2d907d4f5fa01a947bc2b13a0cdcc31cc1e505aae0dfa63850d4f1c47ce5f8dde0655c18c7be1aee8272118
ripemd-160
81440bf4a61ffeda98c365dab56e21af88f2096d
Diameter
277681814
Circumference
872363146.89789
Area
6.0559845274338E+16
Volume
1.1210911794225E+25
Surface area
2.4223938109735E+17
Circumference
872363146.89789
Perimeter
555363628
Area
19276797456582649
Diagonal
196350693.69158
Surface area
115660784739495894
Volume
2.6764080429272E+24
Space diagonal
240479505.09295
Perimeter
416522721
Area
8.3470981505039E+15
Altitude
120239752.54647
Surface area
8.3470981505039E+15
Volume
3.1541771272934E+23
Height
65450231.230527