138349218 is an even 9-digits composite number following 138349217
and preceding 138349219 . In scientific notation, it is written as 1.38349218 × 10^8.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 37584000 positive integers (up to 138349218) that are relatively prime to 138349218.
138349218 has 32 divisors, whose sum is 228349440
The reverse of 138349218 is 812943831
Previous prime number is 59
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred thirty-eight million three hundred forty-nine thousand two hundred eighteen
Scientific notation
1.38349218 × 10^8
Engineering notation
1.38349218 × 10^6
Prime Factorization
2 × 21 × 31 × 59 × 1801
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
138349218
Product of the distinct prime numbers
The prime factorization of 138349218 is 2 × 21 × 31 × 59 × 1801.
Since it has a total of 5 prime factors.
7 , 9 , 73 , 15 , 722 , 534 , 456 , 7988 , 16153 , 22205 , 217770 , 432812 , 3276676 , 5358383 , 67516824 , 46059299 , 218928269 , 842472576 , 3600735813 , 2397420734
n×2
276698436
n×3
415047654
n×4
553396872
n×5
691746090
n÷2
69174609
n÷3
46116406
n÷3
34587304.5
n÷5
27669843.6
n2
19140506121211524
n3
2.6480740539938E+24
n4
3.6635897457614E+32
n5
5.068547763989E+40
2 √n
11762.194438114
3 √n
517.20046050769
4 √n
108.4536511055
5 √n
42.481059695354
1 , 2 , 21 , 31 , 42 , 59 , 62 , 118 , 651 , 1239 , 1302 , 1801 , 1829 , 2478 , 3602 , 3658 , 37821 , 38409 , 55831 , 75642 , 76818 , 106259 , 111662 , 212518 , 1172451 , 2231439 , 2344902 , 3294029 , 4462878 , 6588058 , 69174609 , 138349218
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138349217
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138349218 can be divided by 32 positive divisors.
The sum of these divisors (counting 138349218) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000001111110000101010100010
3
Ternary
100122022212110010
4
Quaternary
20033300222202
5
Quinary
240404133333
6
Senary
21421145350
8
Octal
1017605242
10
Decimal
138349218
12
Duodecimal
3a3bb256
16
Hexadecimal
83f0aa2
20
Vigesimal
234dd0i
36
Base36
2adaxu
md5
a21dab20829eaedac477e51fac3cea0e
sha1
8569adea9f609be854b00c72e9c41fc92e4faee4
sha256
07fe03831f3ac2c932e1d9cbc8d7ef2463e9a0c17aa6d694d99421fdf4755df5
sha512
a1eb5f91969f501ff2a5f8985b594f6f0beb11eb254e100bb1e11782e1d4451765e458512e8ba2b85747e1d72e1fecf677f152861d247290b45fa0f0c3c412bc
ripemd-160
3eb29c45d540a6913baf183690fe1c7fdb53d4b4
Diameter
276698436
Circumference
869273773.79739
Area
6.0131673416389E+16
Volume
1.1092226658918E+25
Surface area
2.4052669366555E+17
Circumference
869273773.79739
Perimeter
553396872
Area
19140506121211524
Diagonal
195655340.43931
Surface area
114843036727269144
Volume
2.6480740539938E+24
Space diagonal
239627874.76342
Perimeter
415047654
Area
8.2880822711304E+15
Altitude
119813937.38171
Surface area
8.2880822711304E+15
Volume
3.1207852011053E+23
Height
65218446.813104