51640985 is an odd 8-digits composite number following 51640984
and preceding 51640986 . In scientific notation, it is written as 5.1640985 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 35340800 positive integers (up to 51640985) that are relatively prime to 51640985.
51640985 has 16 divisors, whose sum is 60746112
The reverse of 51640985 is 58904615
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
fifty-one million six hundred forty thousand nine hundred eighty-five
Scientific notation
5.1640985 × 10^7
Engineering notation
5.1640985 × 10^6
Prime Factorization
55 × 17 × 11 × 5021
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51640985
Product of the distinct prime numbers
The prime factorization of 51640985 is 55 × 17 × 11 × 5021.
Since it has a total of 4 prime factors.
6 , 1 , 7 , 94 , 655 , 502 , 4149 , 2589 , 27106 , 75171 , 702787 , 61719 , 7031533 , 3730749 , 27990126 , 54182588 , 190409136 , 161429029 , 9615703041 , 2137265989
n×2
103281970
n×3
154922955
n×4
206563940
n×5
258204925
n÷2
25820492.5
n÷3
17213661.666667
n÷3
12910246.25
n÷5
10328197
n2
2666791331770225
n3
1.3771573116208E+23
n4
7.1117760072048E+30
n5
3.6725911811142E+38
2 √n
7186.1662240725
3 √n
372.39013921602
4 √n
84.771258242829
5 √n
34.881801270064
1 , 11 , 17 , 55 , 187 , 605 , 935 , 5021 , 10285 , 55231 , 85357 , 276155 , 938927 , 3037705 , 4694635 , 51640985
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
-51640984
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 51640985 can be divided by 16 positive divisors.
The sum of these divisors (counting 51640985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000100111111101010011001
3
Ternary
10121011122010002
4
Quaternary
3010333222121
5
Quinary
101210002420
6
Senary
5042502345
8
Octal
304775231
10
Decimal
51640985
12
Duodecimal
153649b5
16
Hexadecimal
313fa99
20
Vigesimal
g2f295
36
Base36
uquft
md5
a1b0093d3104d57719545552bed333cc
sha1
b7d5945ca1117bc54f7dd9c87de7420edfed826e
sha256
9c14b3999d03c835c50140d664a202ab26a0332e4b92b5a6f9fcc4fc24bcd00a
sha512
7ec91499829bb2bb1648b805137f7054ab42db1618d7ad2b2b806c7551b8fbc9826f8a00205e3c2255036b8ba1e8021da94aa41790d0152ef1eeb64a8416c0e7
ripemd-160
460742076fc0d8fd54360b571d24c910409cfbaf
Diameter
103281970
Circumference
324469878.20028
Area
8.3779720565463E+15
Volume
5.768623057367E+23
Surface area
3.3511888226185E+16
Circumference
324469878.20028
Perimeter
206563940
Area
2666791331770225
Diagonal
73031381.361306
Surface area
16000747990621350
Volume
1.3771573116208E+23
Space diagonal
89444809.772902
Perimeter
154922955
Area
1.1547545199526E+15
Altitude
44722404.886451
Surface area
1.1547545199526E+15
Volume
1.6229954563461E+22
Height
24343793.787102