51291281 is an odd 8-digits prime number following 51291280
and preceding 51291282 . In scientific notation, it is written as 5.1291281 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 51291280 positive integers (up to 51291281) that are relatively prime to 51291281.
51291281 has 2 divisors, whose sum is 51291282
The reverse of 51291281 is 18219215
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
fifty-one million two hundred ninety-one thousand two hundred eighty-one
Scientific notation
5.1291281 × 10^7
Engineering notation
5.1291281 × 10^6
Prime Factorization
51291281
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
51291281
Product of the distinct prime numbers
The prime factorization of 51291281 is 51291281.
Since it has a total of 1 prime factors.
4 , 9 , 96 , 80 , 231 , 752 , 3145 , 9071 , 4967 , 72227 , 739175 , 933370 , 5493222 , 9488078 , 19028842 , 28309092 , 242688618 , 721638749 , 1782491374 , 8259677206
n×2
102582562
n×3
153873843
n×4
205165124
n×5
256456405
n÷2
25645640.5
n÷3
17097093.666667
n÷3
12822820.25
n÷5
10258256.2
n2
2630795506620961
n3
1.3493687158363E+23
n4
6.921084997657E+30
n5
3.5499131543971E+38
2 √n
7161.7931413858
3 √n
371.54764696544
4 √n
84.627378202245
5 √n
34.834430050221
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
51291282
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
25645641
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
7161.7932112007
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999961007
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51291281 can be divided by 2 positive divisors.
The sum of these divisors (counting 51291281) is 51291282, the average is 25645641.
Base
System
Value
2
Binary
11000011101010010010010001
3
Ternary
10120111212102002
4
Quaternary
3003222102101
5
Quinary
101112310111
6
Senary
5031203345
8
Octal
303522221
10
Decimal
51291281
12
Duodecimal
15216555
16
Hexadecimal
30ea491
20
Vigesimal
g0b841
36
Base36
ujclt
md5
a7b8f81065f1dc9a68d9f11a198efc4a
sha1
9f26796db32d802acc343a0f9c2753a46e169b9c
sha256
1365156b9e6f573b3ffe3b001d0c334e0d28e4fec5df964d7f116a284b149938
sha512
bae6d42ca33e25890fcb397d18abb599b47a031d8e571408814f7aac558039435f42bf89bc7dc2e4c27bbfb7c34f66980ca0a20e86572b6b3755abef86e9018a
ripemd-160
2d2e14a513e2b244c639b8737494be42636f2e38
Diameter
102582562
Circumference
322272623.16562
Area
8.2648878366974E+15
Volume
5.6522224595404E+23
Surface area
3.305955134679E+16
Circumference
322272623.16562
Perimeter
205165124
Area
2630795506620961
Diagonal
72536825.221689
Surface area
15784773039725766
Volume
1.3493687158363E+23
Space diagonal
88839104.677292
Perimeter
153873843
Area
1.1391678704479E+15
Altitude
44419552.338646
Surface area
1.1391678704479E+15
Volume
1.5902462821481E+22
Height
24178941.740563