51105721 is an odd 8-digits composite number following 51105720
and preceding 51105722 . In scientific notation, it is written as 5.1105721 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 49859200 positive integers (up to 51105721) that are relatively prime to 51105721.
51105721 has 4 divisors, whose sum is 52352244
The reverse of 51105721 is 12750115
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
fifty-one million one hundred five thousand seven hundred twenty-one
Scientific notation
5.1105721 × 10^7
Engineering notation
5.1105721 × 10^6
Prime Factorization
41 × 1246481
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51105721
Product of the distinct prime numbers
The prime factorization of 51105721 is 41 × 1246481.
Since it has a total of 2 prime factors.
8 , 3 , 98 , 52 , 568 , 154 , 9556 , 4529 , 87531 , 65058 , 939345 , 623025 , 7530385 , 5158827 , 60882836 , 70524009 , 58297829 , 446363714 , 6949670658 , 6081581712
n×2
102211442
n×3
153317163
n×4
204422884
n×5
255528605
n÷2
25552860.5
n÷3
17035240.333333
n÷3
12776430.25
n÷5
10221144.2
n2
2611794718929841
n3
1.334776522149E+23
n4
6.8214716538298E+30
n5
3.4861622715003E+38
2 √n
7148.8265470635
3 √n
371.09904771591
4 √n
84.550733569044
5 √n
34.809188913737
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51105720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51105721 can be divided by 4 positive divisors.
The sum of these divisors (counting 51105721) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000010111100111110111001
3
Ternary
10120011102212111
4
Quaternary
3002330332321
5
Quinary
101040340341
6
Senary
5023212321
8
Octal
302747671
10
Decimal
51105721
12
Duodecimal
151470a1
16
Hexadecimal
30bcfb9
20
Vigesimal
fj8461
36
Base36
ufdfd
md5
e187866b3655814486a7776f14b92773
sha1
f5d4ef76065d86c43b7672e84d960c1386d099cb
sha256
5b4998e163e7ae0750566ca3e07dcb5de5ac66a24a8054891e3fac65d210563e
sha512
6bcbf419b8d303a5de0565c8737cfabf59f2534c898295ea92614cdab0cf58027b556ecece2cb238fe9884bfb81b86c7da183a13fdd301926a878b4c22ed95f7
ripemd-160
1a99d5984f23e882743bf7b242328b7457159e10
Diameter
102211442
Circumference
321106715.30002
Area
8.2051951016746E+15
Volume
5.5910988215567E+23
Surface area
3.2820780406698E+16
Circumference
321106715.30002
Perimeter
204422884
Area
2611794718929841
Diagonal
72274403.753055
Surface area
15670768313579046
Volume
1.334776522149E+23
Space diagonal
88517705.32944
Perimeter
153317163
Area
1.1309402880316E+15
Altitude
44258852.66472
Surface area
1.1309402880316E+15
Volume
1.5730492169669E+22
Height
24091467.917685