51609987 is an odd 8-digits composite number following 51609986
and preceding 51609988 . In scientific notation, it is written as 5.1609987 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 28870560 positive integers (up to 51609987) that are relatively prime to 51609987.
51609987 has 16 divisors, whose sum is 62883072
The reverse of 51609987 is 78990615
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
fifty-one million six hundred nine thousand nine hundred eighty-seven
Scientific notation
5.1609987 × 10^7
Engineering notation
5.1609987 × 10^6
Prime Factorization
27 × 11 × 13 × 13367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51609987
Product of the distinct prime numbers
The prime factorization of 51609987 is 27 × 11 × 13 × 13367.
Since it has a total of 4 prime factors.
1 , 5 , 60 , 33 , 252 , 909 , 399 , 1343 , 71669 , 13079 , 813145 , 801071 , 6900279 , 5821083 , 20983960 , 26418017 , 246099669 , 58364943 , 8708009455 , 1743705524
n×2
103219974
n×3
154829961
n×4
206439948
n×5
258049935
n÷2
25804993.5
n÷3
17203329
n÷3
12902496.75
n÷5
10321997.4
n2
2663590758140169
n3
1.3746788440093E+23
n4
7.0947157268497E+30
n5
3.6615818643141E+38
2 √n
7184.0091174775
3 √n
372.31561404333
4 √n
84.758534186697
5 √n
34.877612636615
1 , 11 , 13 , 27 , 143 , 297 , 351 , 3861 , 13367 , 147037 , 173771 , 360909 , 1911481 , 3969999 , 4691817 , 51609987
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-51609986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 51609987 can be divided by 16 positive divisors.
The sum of these divisors (counting 51609987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000100111000000110000011
3
Ternary
10121010001121000
4
Quaternary
3010320012003
5
Quinary
101203004422
6
Senary
5042103043
8
Octal
304700603
10
Decimal
51609987
12
Duodecimal
1534aa83
16
Hexadecimal
3138183
20
Vigesimal
g2b4j7
36
Base36
uq6ir
md5
8bf0c74fd493a2854f1f779ce50ae337
sha1
60a3aaac7b15a9d91c10b76d9329e1d39d98e17d
sha256
4438749390d002f96152b9f7e3842ae60d75060d1f66088d2225e4b0ca63e523
sha512
3b082a8b44b225b578a20b7c41a87cda80bdf41b8b169f920ddc3158100a57dc36db87f826a90c13603a70a4cc4e7af6f24295494f76a224e4cc145c88caa167
ripemd-160
6d01a73d998583e8196337f843f73e50d8e642d0
Diameter
103219974
Circumference
324275112.02213
Area
8.3679171579428E+15
Volume
5.7582412765134E+23
Surface area
3.3471668631771E+16
Circumference
324275112.02213
Perimeter
206439948
Area
2663590758140169
Diagonal
72987543.569299
Surface area
15981544548841014
Volume
1.3746788440093E+23
Space diagonal
89391119.661969
Perimeter
154829961
Area
1.1533686309174E+15
Altitude
44695559.830985
Surface area
1.1533686309174E+15
Volume
1.6200745542545E+22
Height
24329181.189766