138403905 is an odd 9-digits composite number following 138403904
and preceding 138403906 . In scientific notation, it is written as 1.38403905 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 71685120 positive integers (up to 138403905) that are relatively prime to 138403905.
138403905 has 16 divisors, whose sum is 151925760
The reverse of 138403905 is 509304831
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred thirty-eight million four hundred three thousand nine hundred five
Scientific notation
1.38403905 × 10^8
Engineering notation
1.38403905 × 10^6
Prime Factorization
15 × 41 × 313 × 719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
138403905
Product of the distinct prime numbers
The prime factorization of 138403905 is 15 × 41 × 313 × 719.
Since it has a total of 4 prime factors.
6 , 9 , 51 , 98 , 694 , 476 , 5941 , 3839 , 77740 , 31791 , 242736 , 403720 , 405781 , 3826080 , 7258086 , 26660646 , 710571153 , 704716621 , 9463400091 , 2834941684
n×2
276807810
n×3
415211715
n×4
553615620
n×5
692019525
n÷2
69201952.5
n÷3
46134635
n÷3
34600976.25
n÷5
27680781
n2
19155640919249025
n3
2.6512155060019E+24
n4
3.6693857902721E+32
n5
5.0785732232517E+40
2 √n
11764.518902191
3 √n
517.26859826341
4 √n
108.46436696994
5 √n
42.484417566848
1 , 15 , 41 , 313 , 615 , 719 , 4695 , 10785 , 12833 , 29479 , 192495 , 225047 , 442185 , 3375705 , 9226927 , 138403905
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
-138403904
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 138403905 can be divided by 16 positive divisors.
The sum of these divisors (counting 138403905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001111111110000001000001
3
Ternary
100122102122110120
4
Quaternary
20033332001001
5
Quinary
240412411110
6
Senary
21422250453
8
Octal
1017760101
10
Decimal
138403905
12
Duodecimal
3a426a29
16
Hexadecimal
83fe041
20
Vigesimal
23509f5
36
Base36
2aeh4x
md5
9593a7f24f76df9c82bc10ea09dc95bb
sha1
fdb4c75899ca6931c6783553021a33f5489eb22c
sha256
b8ac831e82163f665c0d07a44d0f29b9653bc38e2d23eff4c58962b9d601c41a
sha512
03e0ab95903948df12f3808b299c2e5e7009addd289d4d357e5bce1d27c61544eeacca910132d1644bcd8fac9049e7b1e23d72e7aaf716ad9f277ea38ac76146
ripemd-160
c6c609c7e3d8be96237dba2f2156ddbb2089fc3f
Diameter
276807810
Circumference
869617382.35228
Area
6.0179220786717E+16
Volume
1.1105385542318E+25
Surface area
2.4071688314687E+17
Circumference
869617382.35228
Perimeter
553615620
Area
19155640919249025
Diagonal
195732679.5364
Surface area
114933845515494150
Volume
2.6512155060019E+24
Space diagonal
239722595.42594
Perimeter
415211715
Area
8.2946358309212E+15
Altitude
119861297.71297
Surface area
8.2946358309212E+15
Volume
3.1244874378014E+23
Height
65244226.512132