51287913 is an odd 8-digits composite number following 51287912
and preceding 51287914 . In scientific notation, it is written as 5.1287913 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 34100376 positive integers (up to 51287913) that are relatively prime to 51287913.
51287913 has 12 divisors, whose sum is 74280960
The reverse of 51287913 is 31978215
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
fifty-one million two hundred eighty-seven thousand nine hundred thirteen
Scientific notation
5.1287913 × 10^7
Engineering notation
5.1287913 × 10^6
Prime Factorization
3 × 3 × 383 × 14879
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17095971
Product of the distinct prime numbers
The prime factorization of 51287913 is 3 × 3 × 383 × 14879.
Since it has a total of 4 prime factors.
3 , 9 , 64 , 22 , 812 , 502 , 7777 , 2659 , 46483 , 15340 , 726102 , 535747 , 1097438 , 9500377 , 77560492 , 4028017 , 823383881 , 646317286 , 3571387081 , 8794982357
n×2
102575826
n×3
153863739
n×4
205151652
n×5
256439565
n÷2
25643956.5
n÷3
17095971
n÷3
12821978.25
n÷5
10257582.6
n2
2630450019895569
n3
1.3491029177125E+23
n4
6.9192673071686E+30
n5
3.5487477967381E+38
2 √n
7161.5580008822
3 √n
371.53951433001
4 √n
84.625988921148
5 √n
34.833972563335
1 , 3 , 9 , 383 , 1149 , 3447 , 14879 , 44637 , 133911 , 5698657 , 17095971 , 51287913
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
-51287912
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 51287913 can be divided by 12 positive divisors.
The sum of these divisors (counting 51287913) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11000011101001011101101001
3
Ternary
10120111200210100
4
Quaternary
3003221131221
5
Quinary
101112203123
6
Senary
5031140013
8
Octal
303513551
10
Decimal
51287913
12
Duodecimal
15214609
16
Hexadecimal
30e9769
20
Vigesimal
g0ajfd
36
Base36
uja09
md5
7bbc80fd94908ca9261883933fb108e5
sha1
1d39cc0cdff8ba1a7d67dbd6576e4a715814efa3
sha256
89e2faee2137334c96be70ef0ffdc52e117960bbf0eee874884908577e515226
sha512
408b159cc4f54d5e9853a85112871004055f664dbc119ba84bd990b97d82261e52d8c19a9c44aac100358dc98e0f677b2dc7b0e23f2f7fe61b38e36c5a8e6c9d
ripemd-160
c405d3e68673e6c8f0662a39f252ba40afbb3acd
Diameter
102575826
Circumference
322251461.3975
Area
8.263802458139E+15
Volume
5.651109086963E+23
Surface area
3.3055209832556E+16
Circumference
322251461.3975
Perimeter
205151652
Area
2630450019895569
Diagonal
72532062.150411
Surface area
15782700119373414
Volume
1.3491029177125E+23
Space diagonal
88833271.130172
Perimeter
153863739
Area
1.1390182703074E+15
Altitude
44416635.565086
Surface area
1.1390182703074E+15
Volume
1.5899330360551E+22
Height
24177354.050137