138399218 is an even 9-digits composite number following 138399217
and preceding 138399219 . In scientific notation, it is written as 1.38399218 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 67893904 positive integers (up to 138399218) that are relatively prime to 138399218.
138399218 has 8 divisors, whose sum is 211515948
The reverse of 138399218 is 812993831
Previous prime number is 53
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred thirty-eight million three hundred ninety-nine thousand two hundred eighteen
Scientific notation
1.38399218 × 10^8
Engineering notation
1.38399218 × 10^6
Prime Factorization
2 × 53 × 1305653
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138399218
Product of the distinct prime numbers
The prime factorization of 138399218 is 2 × 53 × 1305653.
Since it has a total of 3 prime factors.
7 , 10 , 85 , 86 , 529 , 129 , 2278 , 1365 , 21173 , 2891 , 78277 , 583206 , 5295859 , 1142650 , 797069 , 67991980 , 867043859 , 121820990 , 7080828808 , 7429486328
n×2
276798436
n×3
415197654
n×4
553596872
n×5
691996090
n÷2
69199609
n÷3
46133072.666667
n÷3
34599804.5
n÷5
27679843.6
n2
19154343543011524
n3
2.6509461676561E+24
n4
3.6688887656371E+32
n5
5.0777133609316E+40
2 √n
11764.319699838
3 √n
517.26275915724
4 √n
108.46344868129
5 √n
42.484129818951
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-138399217
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 138399218 can be divided by 8 positive divisors.
The sum of these divisors (counting 138399218) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111111100110111110010
3
Ternary
100122102102000222
4
Quaternary
20033330313302
5
Quinary
240412233333
6
Senary
21422213042
8
Octal
1017746762
10
Decimal
138399218
12
Duodecimal
3a424182
16
Hexadecimal
83fcdf2
20
Vigesimal
234ji0i
36
Base36
2aediq
md5
0d9cb2a4a96b538229ebc38642a91ba4
sha1
738c1d686f071a5096e4c67d3d5d20d2abf81fc0
sha256
034670d094e72c370555d3be0b6ace1063dac2c8ff1f9ceb827946c3fd67d696
sha512
45f817b960351dcb0df4569e5aeaca52415616086ed9b119e003167449ee36b46cde810ab560dbcdd787e050a6160e35d355ae1c85ea0e6a7f79643d01ccd094
ripemd-160
ddfa931aa9a44c5f0661d88e31f7e329375e0009
Diameter
276798436
Circumference
869587933.06274
Area
6.017514495906E+16
Volume
1.1104257340494E+25
Surface area
2.4070057983624E+17
Circumference
869587933.06274
Perimeter
553596872
Area
19154343543011524
Diagonal
195726051.11743
Surface area
114926061258069144
Volume
2.6509461676561E+24
Space diagonal
239714477.3038
Perimeter
415197654
Area
8.2940740505312E+15
Altitude
119857238.6519
Surface area
8.2940740505312E+15
Volume
3.1241700195169E+23
Height
65242017.039144