51009905 is an odd 8-digits composite number following 51009904
and preceding 51009906 . In scientific notation, it is written as 5.1009905 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 39811200 positive integers (up to 51009905) that are relatively prime to 51009905.
51009905 has 16 divisors, whose sum is 62726400
The reverse of 51009905 is 50990015
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
fifty-one million nine thousand nine hundred five
Scientific notation
5.1009905 × 10^7
Engineering notation
5.1009905 × 10^6
Prime Factorization
5 × 79 × 89 × 1451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51009905
Product of the distinct prime numbers
The prime factorization of 51009905 is 5 × 79 × 89 × 1451.
Since it has a total of 4 prime factors.
5 , 10 , 68 , 85 , 766 , 275 , 3649 , 995 , 7842 , 34644 , 862466 , 196029 , 3602676 , 3385641 , 25139317 , 52364663 , 102380340 , 365825649 , 1714972913 , 8695674376
n×2
102019810
n×3
153029715
n×4
204039620
n×5
255049525
n÷2
25504952.5
n÷3
17003301.666667
n÷3
12752476.25
n÷5
10201981
n2
2602010408109025
n3
1.3272830372665E+23
n4
6.7704581639077E+30
n5
3.4536042774741E+38
2 √n
7142.1218835861
3 √n
370.86698321364
4 √n
84.511075508398
5 √n
34.796126652736
1 , 5 , 79 , 89 , 395 , 445 , 1451 , 7031 , 7255 , 35155 , 114629 , 129139 , 573145 , 645695 , 10201981 , 51009905
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51009904
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51009905 can be divided by 16 positive divisors.
The sum of these divisors (counting 51009905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000010100101100101110001
3
Ternary
10112222120102202
4
Quaternary
3002211211301
5
Quinary
101024304110
6
Senary
5021152545
8
Octal
302454561
10
Decimal
51009905
12
Duodecimal
150bb755
16
Hexadecimal
30a5971
20
Vigesimal
fig4f5
36
Base36
udbht
md5
e56f6b1b9ccbeb8265d3e3697bf73558
sha1
14ff30b171424f590d911f0868232ade2c930421
sha256
b7695c11b9c4163677e622e3d89a476bcdac644d207d1d4d3a1f3bba8ac58060
sha512
0904d8619655a3d464de40d003a9fa8b4f8857cb0fdb0770885e3fce142ebac8ade4628ce47d5ebf5342ee51f4ed3615258f343a036ceaeb60440424764a44dd
ripemd-160
fa0c4375d90d5b6b094878e0897d1e379a5e7489
Diameter
102019810
Circumference
320504685.61663
Area
8.1744567826795E+15
Volume
5.5597101854812E+23
Surface area
3.2697827130718E+16
Circumference
320504685.61663
Perimeter
204039620
Area
2602010408109025
Diagonal
72138899.466363
Surface area
15612062448654150
Volume
1.3272830372665E+23
Space diagonal
88351747.149262
Perimeter
153029715
Area
1.126703557167E+15
Altitude
44175873.574631
Surface area
1.126703557167E+15
Volume
1.5642180603417E+22
Height
24046299.822121