138045905 is an odd 9-digits composite number following 138045904
and preceding 138045906 . In scientific notation, it is written as 1.38045905 × 10^8.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 110299248 positive integers (up to 138045905) that are relatively prime to 138045905.
138045905 has 8 divisors, whose sum is 165861312
The reverse of 138045905 is 509540831
Previous prime number is 823
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred thirty-eight million forty-five thousand nine hundred five
Scientific notation
1.38045905 × 10^8
Engineering notation
1.38045905 × 10^6
Prime Factorization
5 × 823 × 33547
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
138045905
Product of the distinct prime numbers
The prime factorization of 138045905 is 5 × 823 × 33547.
Since it has a total of 3 prime factors.
3 , 5 , 46 , 20 , 287 , 282 , 881 , 7857 , 45295 , 24116 , 93169 , 802351 , 6603701 , 7980635 , 28255636 , 71559971 , 774369814 , 545678023 , 1369762206 , 2669340607
n×2
276091810
n×3
414137715
n×4
552183620
n×5
690229525
n÷2
69022952.5
n÷3
46015301.666667
n÷3
34511476.25
n÷5
27609181
n2
19056671887269025
n3
2.6306955169661E+24
n4
3.6315674341903E+32
n5
5.0132301302133E+40
2 √n
11749.293808566
3 √n
516.82221862775
4 √n
108.39415947626
5 √n
42.462416478905
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
-138045904
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 138045905 can be divided by 8 positive divisors.
The sum of these divisors (counting 138045905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000001110100110100111010001
3
Ternary
100121202110101022
4
Quaternary
20032212213101
5
Quinary
240314432110
6
Senary
21410445225
8
Octal
1016464721
10
Decimal
138045905
12
Duodecimal
3a293815
16
Hexadecimal
83a69d1
20
Vigesimal
232fef5
36
Base36
2a6swh
md5
4d7223cd2681e9f1835c786e5d19e449
sha1
5154ef37ac84f0ded4781aaa4e97e6e45d3499b0
sha256
772c720512776715c0953296066856441364000e9207ae5812a0acf1aad8893b
sha512
738f27d3e0315c9ac6d6673b8bde62c676c29cb53069f034e0f9985dfbf39a64c85fc4920d4196d22bd24f33674d6d23c7c4b2a7305842f25622a9d40510a8af
ripemd-160
b8470d08b0fbd0f9cd82a840ef3a5bc342aeeea3
Diameter
276091810
Circumference
867368002.01231
Area
5.9868300402916E+16
Volume
1.1019431613243E+25
Surface area
2.3947320161166E+17
Circumference
867368002.01231
Perimeter
552183620
Area
19056671887269025
Diagonal
195226391.08107
Surface area
114340031323614150
Volume
2.6306955169661E+24
Space diagonal
239102521.23683
Perimeter
414137715
Area
8.2517809829799E+15
Altitude
119551260.61841
Surface area
8.2517809829799E+15
Volume
3.1003043988063E+23
Height
65075463.693689