51640785 is an odd 8-digits composite number following 51640784
and preceding 51640786 . In scientific notation, it is written as 5.1640785 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 23264640 positive integers (up to 51640785) that are relatively prime to 51640785.
51640785 has 32 divisors, whose sum is 79833600
The reverse of 51640785 is 58704615
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
fifty-one million six hundred forty thousand seven hundred eighty-five
Scientific notation
5.1640785 × 10^7
Engineering notation
5.1640785 × 10^6
Prime Factorization
7 × 5 × 9 × 71 × 2309
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
51640785
Product of the distinct prime numbers
The prime factorization of 51640785 is 7 × 5 × 9 × 71 × 2309.
Since it has a total of 5 prime factors.
8 , 6 , 69 , 13 , 607 , 559 , 1067 , 3726 , 42827 , 89067 , 876894 , 113091 , 9217794 , 661411 , 45166240 , 86989311 , 143952546 , 600282096 , 7978248234 , 6562164625
n×2
103281570
n×3
154922355
n×4
206563140
n×5
258203925
n÷2
25820392.5
n÷3
17213595
n÷3
12910196.25
n÷5
10328157
n2
2666770675416225
n3
1.3771413109347E+23
n4
7.1116658352599E+30
n5
3.672520063905E+38
2 √n
7186.1523084332
3 √n
372.38965847304
4 √n
84.771176165211
5 √n
34.881774251327
1 , 5 , 7 , 9 , 35 , 45 , 63 , 71 , 315 , 355 , 497 , 639 , 2309 , 2485 , 3195 , 4473 , 11545 , 16163 , 20781 , 22365 , 80815 , 103905 , 145467 , 163939 , 727335 , 819695 , 1147573 , 1475451 , 5737865 , 7377255 , 10328157 , 51640785
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51640784
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51640785 can be divided by 32 positive divisors.
The sum of these divisors (counting 51640785) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11000100111111100111010001
3
Ternary
10121011121211200
4
Quaternary
3010333213101
5
Quinary
101210001120
6
Senary
5042501413
8
Octal
304774721
10
Decimal
51640785
12
Duodecimal
15364869
16
Hexadecimal
313f9d1
20
Vigesimal
g2f1j5
36
Base36
uqua9
md5
0d1dfe624e0321a483bd007cc8f221f0
sha1
8061b439dd9ef271cbb70e57c01200f15813ed1c
sha256
e9486e43af38e5c6661c7a6d544a6b3fe8f523031b34d826bbc39c2e01268203
sha512
111df3bc973fe7aa42ff0fd5b1b55692635d4be32dbe6e469f7c994bdfae46a2899de5db99dc25616366a8b10d9e256a5a92d21b5a4e9b29d634dec9f903a18c
ripemd-160
16bf4fba0af5a4d6b748cffa7a4a20ca62bf9a32
Diameter
103281570
Circumference
324468621.56322
Area
8.3779071626963E+15
Volume
5.7685560338501E+23
Surface area
3.3511628650785E+16
Circumference
324468621.56322
Perimeter
206563140
Area
2666770675416225
Diagonal
73031098.518593
Surface area
16000624052497350
Volume
1.3771413109347E+23
Space diagonal
89444463.362741
Perimeter
154922355
Area
1.1547455754889E+15
Altitude
44722231.68137
Surface area
1.1547455754889E+15
Volume
1.6229765993568E+22
Height
24343699.506198