102731985 is an odd 9-digits composite number following 102731984
and preceding 102731986 . In scientific notation, it is written as 1.02731985 × 10^8.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 53022240 positive integers (up to 102731985) that are relatively prime to 102731985.
102731985 has 24 divisors, whose sum is 183815424
The reverse of 102731985 is 589137201
Previous prime number is 31
Is Prime? no Number parity odd Number length 9 Sum of Digits 36 Digital Root 9
Name
one hundred two million seven hundred thirty-one thousand nine hundred eighty-five
Scientific notation
1.02731985 × 10^8
Engineering notation
1.02731985 × 10^6
Prime Factorization
3 × 3 × 5 × 31 × 73643
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
34243995 Product of the distinct prime numbers
The prime factorization of 102731985 is 3 × 3 × 5 × 31 × 73643.
Since it has a total of 5 prime factors.
3 , 10 , 43 , 66 , 690 , 384 , 9698 , 7330 , 23381 , 11005 , 844273 , 752159 , 231343 , 9928419 , 78849826 , 1871569 , 168768867 , 903775892 , 7279722857 , 1762387886
n×2
205463970
n×3
308195955
n×4
410927940
n×5
513659925
n÷2
51365992.5
n÷3
34243995
n÷3
25682996.25
n÷5
20546397
n2
10553860742040225
n3
1.0842190634434E+24
n4
1.1138397656238E+32
n5
1.1442697009447E+40
2 √n10135.678812985
3 √n468.3478812731
4 √n100.67610845173
5 √n40.025902758748
1 , 3 , 5 , 9 , 15 , 31 , 45 , 93 , 155 , 279 , 465 , 1395 , 73643 , 220929 , 368215 , 662787 , 1104645 , 2282933 , 3313935 , 6848799 , 11414665 , 20546397 , 34243995 , 102731985
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-102731984 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 102731985 can be divided by 24 positive divisors.
The sum of these divisors (counting 102731985) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111111001000011010001
3
Ternary
21011022022210100
4
Quaternary
12013321003101
5
Quinary
202244410420
6
Senary
14105523013
8
Octal
607710321
10
Decimal
102731985
12
Duodecimal
2a4a3469
16
Hexadecimal
61f90d1
20
Vigesimal
1c219j5
36
Base36
1p5wi9
md5
51f0d53c779f94473384d8adcf59daa3
sha1
78e7e04968ab9f7e20e19727b4790a3c352ef752
sha256
fcf038d9e390888c1a97041ff07da6423fd7740b6db47904e5bedd0d9c898b3d
sha512
abfc0a33fe73d36e08b2c5b6c985e3258a8a35a688b286e03e5891cd29c473ac07da9b52d8b0c2e952867335d95016d7620d0a8290507aa2458e71e43dfcd5c4
ripemd-160
ffa505ee6f32f19a3d9bc852ff682678e0c17e09
Diameter
205463970
Circumference
645484098.72939
Area
3.3155931374203E+16
Volume
4.5415661927942E+24
Surface area
1.3262372549681E+17
Circumference
645484098.72939
Perimeter
410927940
Area
10553860742040225
Diagonal
145284966.47651
Surface area
63323164452241350
Volume
1.0842190634434E+24
Space diagonal
177937017.5824
Perimeter
308195955
Area
4.5699557553051E+15
Altitude
88968508.791202
Surface area
4.5699557553051E+15
Volume
1.2777644200876E+23
Height
48428322.158836