51306985 is an odd 8-digits composite number following 51306984
and preceding 51306986 . In scientific notation, it is written as 5.1306985 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 40749744 positive integers (up to 51306985) that are relatively prime to 51306985.
51306985 has 8 divisors, whose sum is 62012160
The reverse of 51306985 is 58960315
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
fifty-one million three hundred six thousand nine hundred eighty-five
Scientific notation
5.1306985 × 10^7
Engineering notation
5.1306985 × 10^6
Prime Factorization
5 × 139 × 73823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
51306985
Product of the distinct prime numbers
The prime factorization of 51306985 is 5 × 139 × 73823.
Since it has a total of 3 prime factors.
2 , 9 , 5 , 13 , 343 , 99 , 4140 , 6456 , 89860 , 47748 , 565148 , 634390 , 6290869 , 2833551 , 73081035 , 60071468 , 533213188 , 92369496 , 7339816969 , 356325896
n×2
102613970
n×3
153920955
n×4
205227940
n×5
256534925
n÷2
25653492.5
n÷3
17102328.333333
n÷3
12826746.25
n÷5
10261397
n2
2632406709790225
n3
1.3506085157311E+23
n4
6.9295650857486E+30
n5
3.5553509191103E+38
2 √n
7162.8894309489
3 √n
371.58556236906
4 √n
84.633855110995
5 √n
34.836562860694
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
-51306984
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 51306985 can be divided by 8 positive divisors.
The sum of these divisors (counting 51306985) is 1, the average is 0.125.
Base
System
Value
2
Binary
11000011101110000111101001
3
Ternary
10120112122221201
4
Quaternary
3003232013221
5
Quinary
101113310420
6
Senary
5031404201
8
Octal
303560751
10
Decimal
51306985
12
Duodecimal
15223661
16
Hexadecimal
30ee1e9
20
Vigesimal
g0d795
36
Base36
ujoq1
md5
a6df825a5a06e9b5b54c26372a414745
sha1
b4efcff5818da18a076851a025295797121971c3
sha256
175f1aa72744fb88e41b1bc7d693381898a48fc7b5f48d2ca698ffb8c641d823
sha512
1c4999df5551087ae35c66d99cbf09e16ccf201883575465f2101ddc066ec9e8778a19d63af26b66468834234b36376e04e8fffb09130fd88835f66ce3a00dca
ripemd-160
5e5cc459a4c6f004f66e965a31b1c4ffc244f3e5
Diameter
102613970
Circumference
322371294.30768
Area
8.2699495807374E+15
Volume
5.6574157211954E+23
Surface area
3.307979832295E+16
Circumference
322371294.30768
Perimeter
205227940
Area
2632406709790225
Diagonal
72559034.031473
Surface area
15794440258741350
Volume
1.3506085157311E+23
Space diagonal
88866304.803174
Perimeter
153920955
Area
1.1398655418855E+15
Altitude
44433152.401587
Surface area
1.1398655418855E+15
Volume
1.5917074003362E+22
Height
24186344.677158