138795905 is an odd 9-digits composite number following 138795904
and preceding 138795906 . In scientific notation, it is written as 1.38795905 × 10^8.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 104505088 positive integers (up to 138795905) that are relatively prime to 138795905.
138795905 has 8 divisors, whose sum is 176352552
The reverse of 138795905 is 509597831
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred thirty-eight million seven hundred ninety-five thousand nine hundred five
Scientific notation
1.38795905 × 10^8
Engineering notation
1.38795905 × 10^6
Prime Factorization
5 × 17 × 1632893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138795905
Product of the distinct prime numbers
The prime factorization of 138795905 is 5 × 17 × 1632893.
Since it has a total of 3 prime factors.
10 , 5 , 94 , 55 , 804 , 95 , 9523 , 7146 , 36173 , 56061 , 220952 , 296500 , 4662902 , 2027339 , 40202384 , 58228783 , 154094524 , 397746304 , 3604212969 , 195473461
n×2
277591810
n×3
416387715
n×4
555183620
n×5
693979525
n÷2
69397952.5
n÷3
46265301.666667
n÷3
34698976.25
n÷5
27759181
n2
19264303244769025
n3
2.6738064030522E+24
n4
3.7111337950642E+32
n5
5.1509017366202E+40
2 √n
11781.167386978
3 √n
517.75648950067
4 √n
108.54108617007
5 √n
42.508455987187
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
-138795904
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 138795905 can be divided by 8 positive divisors.
The sum of these divisors (counting 138795905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000010001011101101110000001
3
Ternary
100200011120012002
4
Quaternary
20101131232001
5
Quinary
241012432110
6
Senary
21434513345
8
Octal
1021355601
10
Decimal
138795905
12
Duodecimal
3a595855
16
Hexadecimal
845db81
20
Vigesimal
23799f5
36
Base36
2amvlt
md5
e79bf819c16334e5b16d826a7da4dcae
sha1
5b017a3dde1e77d58fcdb1f714f99024cbd50718
sha256
89dfb7cdf88d9027ee7c369f3e7ca4be57372e6eeac9ba8ee74f5c53807ba4e6
sha512
bdcf03c68b753d9c7d27f7fbc1c7c43e9bd6b6adb7f9e538a891af484e6f5ede2c959b30f1466aaf489a3ebcf0a4a4e37d56a5a2fc2b5bbb7908ff8588aa4a84
ripemd-160
81dca9e3b5acd3032058d45bbaa1db92cb47c330
Diameter
277591810
Circumference
872080390.99269
Area
6.0520593550292E+16
Volume
1.12000140706E+25
Surface area
2.4208237420117E+17
Circumference
872080390.99269
Perimeter
555183620
Area
19264303244769025
Diagonal
196287051.25285
Surface area
115585819468614150
Volume
2.6738064030522E+24
Space diagonal
240401559.3425
Perimeter
416387715
Area
8.3416879980885E+15
Altitude
120200779.67125
Surface area
8.3416879980885E+15
Volume
3.151111065297E+23
Height
65429017.084283