138399215 is an odd 9-digits composite number following 138399214
and preceding 138399216 . In scientific notation, it is written as 1.38399215 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 110398912 positive integers (up to 138399215) that are relatively prime to 138399215.
138399215 has 8 divisors, whose sum is 166559760
The reverse of 138399215 is 512993831
Previous prime number is 347
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred thirty-eight million three hundred ninety-nine thousand two hundred fifteen
Scientific notation
1.38399215 × 10^8
Engineering notation
1.38399215 × 10^6
Prime Factorization
5 × 347 × 79769
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138399215
Product of the distinct prime numbers
The prime factorization of 138399215 is 5 × 347 × 79769.
Since it has a total of 3 prime factors.
1 , 10 , 92 , 67 , 654 , 348 , 6785 , 2813 , 881 , 73645 , 498417 , 706764 , 248406 , 2981030 , 78546627 , 75682522 , 151976930 , 313066021 , 7104949874 , 9474096117
n×2
276798430
n×3
415197645
n×4
553596860
n×5
691996075
n÷2
69199607.5
n÷3
46133071.666667
n÷3
34599803.75
n÷5
27679843
n2
19154342712616225
n3
2.6509459952671E+24
n4
3.6688884475235E+32
n5
5.0777128105983E+40
2 √n
11764.319572334
3 √n
517.26275541977
4 √n
108.46344809351
5 √n
42.484129634771
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
-138399214
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 138399215 can be divided by 8 positive divisors.
The sum of these divisors (counting 138399215) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001111111100110111101111
3
Ternary
100122102102000212
4
Quaternary
20033330313233
5
Quinary
240412233330
6
Senary
21422213035
8
Octal
1017746757
10
Decimal
138399215
12
Duodecimal
3a42417b
16
Hexadecimal
83fcdef
20
Vigesimal
234ji0f
36
Base36
2aedin
md5
4fb0a9d9c1a74adb2d2f6cb2ddf925b0
sha1
7ebc7b12c4626bf24df474d4af4d166c425c6952
sha256
c03f47a6ef36869dde498c087e0042d82f75e716824165e2b02195768f315ab7
sha512
033580ed748d32701a08c7abf723b0ca68a03f7c55dfabe6b3558f2398440dc51d8bd91f5926106f8100bdc2529c4cbf5637bea4e6dfe355647c5d34a7852873
ripemd-160
388370033a1c7f1dbe68e4fa1f1ce93a6cf32527
Diameter
276798430
Circumference
869587914.21319
Area
6.0175142350296E+16
Volume
1.1104256618392E+25
Surface area
2.4070056940119E+17
Circumference
869587914.21319
Perimeter
553596860
Area
19154342712616225
Diagonal
195726046.87479
Surface area
114926056275697350
Volume
2.6509459952671E+24
Space diagonal
239714472.10765
Perimeter
415197645
Area
8.2940736909595E+15
Altitude
119857236.05382
Surface area
8.2940736909595E+15
Volume
3.1241698163544E+23
Height
65242015.62493