138185812 is an even 9-digits composite number following 138185811
and preceding 138185813 . In scientific notation, it is written as 1.38185812 × 10^8.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 66017280 positive integers (up to 138185812) that are relatively prime to 138185812.
138185812 has 12 divisors, whose sum is 241930836
The reverse of 138185812 is 218581831
Previous prime number is 2813
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred thirty-eight million one hundred eighty-five thousand eight hundred twelve
Scientific notation
1.38185812 × 10^8
Engineering notation
1.38185812 × 10^6
Prime Factorization
2 × 2 × 2813 × 12281
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
69092906
Product of the distinct prime numbers
The prime factorization of 138185812 is 2 × 2 × 2813 × 12281.
Since it has a total of 4 prime factors.
5 , 3 , 36 , 73 , 122 , 634 , 9731 , 8859 , 17154 , 51933 , 594112 , 379997 , 8110640 , 9605774 , 5880535 , 22265941 , 643865276 , 898726678 , 839507347 , 9687253211
n×2
276371624
n×3
414557436
n×4
552743248
n×5
690929060
n÷2
69092906
n÷3
46061937.333333
n÷3
34546453
n÷5
27637162.4
n2
19095318638099344
n3
2.6387021114045E+24
n4
3.6463119389054E+32
n5
5.0386857608294E+40
2 √n
11755.246147997
3 √n
516.99675629959
4 √n
108.42161291918
5 √n
42.471019968321
1 , 2 , 4 , 2813 , 5626 , 11252 , 12281 , 24562 , 49124 , 34546453 , 69092906 , 138185812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138185811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138185812 can be divided by 12 positive divisors.
The sum of these divisors (counting 138185812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000001111001000110001010100
3
Ternary
100122000120022001
4
Quaternary
20033020301110
5
Quinary
240333421222
6
Senary
21413445044
8
Octal
1017106124
10
Decimal
138185812
12
Duodecimal
3a340784
16
Hexadecimal
83c8c54
20
Vigesimal
233d4ac
36
Base36
2a9sus
md5
ec5e8fce406c6f9acc239f60a0138b0d
sha1
97874de21e3a63ca3a61c500102780282c2a3604
sha256
9b86d352422956b91ee5c5dce4fefb2281a8ab80ed4cd61b2c46670f907217d9
sha512
126ad59d63da4814ab6109db8abd30f4e7833f87565fa5cb04c4d5bffdae39be731739227144e314575848b7281d24c7e2aa4561c005228aab7080def37df644
ripemd-160
89c28ea8a2f99edbd1fe371998d52674168e18d9
Diameter
276371624
Circumference
868247063.61908
Area
5.9989712751409E+16
Volume
1.10529695576E+25
Surface area
2.3995885100564E+17
Circumference
868247063.61908
Perimeter
552743248
Area
19095318638099344
Diagonal
195424249.45794
Surface area
114571911828596064
Volume
2.6387021114045E+24
Space diagonal
239344847.26916
Perimeter
414557436
Area
8.2685155169762E+15
Altitude
119672423.63458
Surface area
8.2685155169762E+15
Volume
3.1097402608423E+23
Height
65141416.48598