102731605 is an odd 9-digits composite number following 102731604
and preceding 102731606 . In scientific notation, it is written as 1.02731605 × 10^8.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 82185280 positive integers (up to 102731605) that are relatively prime to 102731605.
102731605 has 4 divisors, whose sum is 123277932
The reverse of 102731605 is 506137201
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred two million seven hundred thirty-one thousand six hundred five
Scientific notation
1.02731605 × 10^8
Engineering notation
1.02731605 × 10^6
Prime Factorization
5 × 20546321
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
102731605
Product of the distinct prime numbers
The prime factorization of 102731605 is 5 × 20546321.
Since it has a total of 2 prime factors.
6 , 1 , 35 , 15 , 933 , 705 , 9632 , 4517 , 28728 , 44918 , 598180 , 5018 , 519117 , 9182159 , 64810973 , 22579138 , 757144904 , 764840639 , 2534251513 , 5719966555
n×2
205463210
n×3
308194815
n×4
410926420
n×5
513658025
n÷2
51365802.5
n÷3
34243868.333333
n÷3
25682901.25
n÷5
20546321
n2
10553782665876025
n3
1.0842070320866E+24
n4
1.1138232855855E+32
n5
1.1442485381457E+40
2 √n
10135.660067307
3 √n
468.34730380798
4 √n
100.67601535275
5 √n
40.025873147979
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-102731604
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 102731605 can be divided by 4 positive divisors.
The sum of these divisors (counting 102731605) is 1, the average is 0.25.
Base
System
Value
2
Binary
110000111111000111101010101
3
Ternary
21011022022021021
4
Quaternary
12013320331111
5
Quinary
202244402410
6
Senary
14105521141
8
Octal
607707525
10
Decimal
102731605
12
Duodecimal
2a4a31b1
16
Hexadecimal
61f8f55
20
Vigesimal
1c21905
36
Base36
1p5w7p
md5
eba2de5a41aa0eb6633461764ce7c6f9
sha1
7be3d7b6f56ab89bbc3bd8d5c2e2d3719b38a2f7
sha256
2b38ede32c99140dcf52461ed46c16eb809b178a67e4a61a7f29c826478d47fb
sha512
3e275a6ec5ccda77425000eb251be911bd4da1611873b5f346ea80783662ea36751503f106606e41206c852f6cadc8c901e07cc9a6273b60dc8b02215384936d
ripemd-160
d5c603349adda7e225eed22145e2eb2b90e42fc5
Diameter
205463210
Circumference
645481711.11898
Area
3.3155686090699E+16
Volume
4.541515795965E+24
Surface area
1.326227443628E+17
Circumference
645481711.11898
Perimeter
410926420
Area
10553782665876025
Diagonal
145284429.07536
Surface area
63322695995256150
Volume
1.0842070320866E+24
Space diagonal
177936359.4031
Perimeter
308194815
Area
4.5699219473342E+15
Altitude
88968179.701548
Surface area
4.5699219473342E+15
Volume
1.2777502409977E+23
Height
48428143.025119