51491812 is an even 8-digits composite number following 51491811
and preceding 51491813 . In scientific notation, it is written as 5.1491812 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 25147080 positive integers (up to 51491812) that are relatively prime to 51491812.
51491812 has 12 divisors, whose sum is 92206576
The reverse of 51491812 is 21819415
Previous prime number is 43
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
fifty-one million four hundred ninety-one thousand eight hundred twelve
Scientific notation
5.1491812 × 10^7
Engineering notation
5.1491812 × 10^6
Prime Factorization
2 × 2 × 43 × 299371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
25745906
Product of the distinct prime numbers
The prime factorization of 51491812 is 2 × 2 × 43 × 299371.
Since it has a total of 4 prime factors.
6 , 1 , 50 , 56 , 662 , 152 , 5252 , 984 , 82176 , 83843 , 513363 , 31006 , 6544719 , 3893314 , 60587735 , 61031751 , 30871108 , 14302763 , 3684459921 , 1001222435
n×2
102983624
n×3
154475436
n×4
205967248
n×5
257459060
n÷2
25745906
n÷3
17163937.333333
n÷3
12872953
n÷5
10298362.4
n2
2651406703043344
n3
1.3652573548865E+23
n4
7.0299575049432E+30
n5
3.6198525021252E+38
2 √n
7175.7795395344
3 √n
372.03122449586
4 √n
84.709973081889
5 √n
34.861625645062
1 , 2 , 4 , 43 , 86 , 172 , 299371 , 598742 , 1197484 , 12872953 , 25745906 , 51491812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51491811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51491812 can be divided by 12 positive divisors.
The sum of these divisors (counting 51491812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11000100011011001111100100
3
Ternary
10120220001111011
4
Quaternary
3010123033210
5
Quinary
101140214222
6
Senary
5035352004
8
Octal
304331744
10
Decimal
51491812
12
Duodecimal
152b2604
16
Hexadecimal
311b3e4
20
Vigesimal
g1g9ac
36
Base36
unnc4
md5
13d6c7e60bec3c7163c2fe6030a1514b
sha1
cbaccaf8dc5114314da0c3b9a0188463127fa22e
sha256
87e63b2928b49e2cfc4941057172cad929012617039e7da736934d7934603a6d
sha512
dc851f9295458e88caa2e009215fab1958cc31a66b651602bd434d4c659517b3a6d4970988e219b908ecbf7bbb867e4e35082ab0ce0176c970b5834471c3fca1
ripemd-160
619dc695eb59b28553cf1def64cc694b2312aeab
Diameter
102983624
Circumference
323532596.59845
Area
8.3296398199597E+15
Volume
5.7187766351611E+23
Surface area
3.3318559279839E+16
Circumference
323532596.59845
Perimeter
205967248
Area
2651406703043344
Diagonal
72820418.881566
Surface area
15908440218260064
Volume
1.3652573548865E+23
Space diagonal
89186434.557785
Perimeter
154475436
Area
1.1480927802999E+15
Altitude
44593217.278892
Surface area
1.1480927802999E+15
Volume
1.6089712228417E+22
Height
24273472.960522