138840587 is an odd 9-digits composite number following 138840586
and preceding 138840588 . In scientific notation, it is written as 1.38840587 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 138815040 positive integers (up to 138840587) that are relatively prime to 138840587.
138840587 has 4 divisors, whose sum is 138866136
The reverse of 138840587 is 785048831
Previous prime number is 7841
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred thirty-eight million eight hundred forty thousand five hundred eighty-seven
Scientific notation
1.38840587 × 10^8
Engineering notation
1.38840587 × 10^6
Prime Factorization
7841 × 17707
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
138840587
Product of the distinct prime numbers
The prime factorization of 138840587 is 7841 × 17707.
Since it has a total of 2 prime factors.
3 , 4 , 65 , 30 , 970 , 433 , 7322 , 8556 , 12312 , 77397 , 259463 , 780586 , 4391506 , 5407005 , 98254479 , 31132394 , 707423671 , 143118193 , 2680672577 , 826366831
n×2
277681174
n×3
416521761
n×4
555362348
n×5
694202935
n÷2
69420293.5
n÷3
46280195.666667
n÷3
34710146.75
n÷5
27768117.4
n2
19276708598504569
n3
2.6763895372443E+24
n4
3.7159149439166E+32
n5
5.1591981205545E+40
2 √n
11783.063565983
3 √n
517.81204328517
4 √n
108.54982066306
5 √n
42.511192549618
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
-138840586
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 138840587 can be divided by 4 positive divisors.
The sum of these divisors (counting 138840587) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000010001101000101000001011
3
Ternary
100200020211110222
4
Quaternary
20101220220023
5
Quinary
241020344322
6
Senary
21435500255
8
Octal
1021505013
10
Decimal
138840587
12
Duodecimal
3a5b768b
16
Hexadecimal
8468a0b
20
Vigesimal
237f197
36
Base36
2anu2z
md5
2b300dbd80f8adeefea865e137d7ffc9
sha1
78aa36af3a2085ad1b2708b4e3c46eb82b303dbf
sha256
5d142319f2a183acdf1c501ed5ebb4a1b3d2ebcb6168754c54b95d4a54c7bf40
sha512
b7f969e2a8275aae439220bfab1df548003a93f2a811dcc271f2917122e893519b6f7b75b2f15d6c51ceb39281929d6de3c8ca97fdca125ca01d4437565e8892
ripemd-160
ddb67d87ac52465025bb269111c82a0a00e2f500
Diameter
277681174
Circumference
872361136.27859
Area
6.0559566118453E+16
Volume
1.1210834277802E+25
Surface area
2.4223826447381E+17
Circumference
872361136.27859
Perimeter
555362348
Area
19276708598504569
Diagonal
196350241.14324
Surface area
115660251591027414
Volume
2.6763895372443E+24
Space diagonal
240478950.83669
Perimeter
416521761
Area
8.3470596738274E+15
Altitude
120239475.41834
Surface area
8.3470596738274E+15
Volume
3.154155318137E+23
Height
65450080.381081