51988987 is an odd 8-digits composite number following 51988986
and preceding 51988988 . In scientific notation, it is written as 5.1988987 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 51822576 positive integers (up to 51988987) that are relatively prime to 51988987.
51988987 has 4 divisors, whose sum is 52155400
The reverse of 51988987 is 78988915
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
fifty-one million nine hundred eighty-eight thousand nine hundred eighty-seven
Scientific notation
5.1988987 × 10^7
Engineering notation
5.1988987 × 10^6
Prime Factorization
313 × 166099
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51988987
Product of the distinct prime numbers
The prime factorization of 51988987 is 313 × 166099.
Since it has a total of 2 prime factors.
7 , 6 , 18 , 56 , 34 , 735 , 5088 , 4055 , 13695 , 12804 , 902205 , 339051 , 1837100 , 7637498 , 40299389 , 30122013 , 562229463 , 813496497 , 98383349 , 6991772107
n×2
103977974
n×3
155966961
n×4
207955948
n×5
259944935
n÷2
25994493.5
n÷3
17329662.333333
n÷3
12997246.75
n÷5
10397797.4
n2
2702854769286169
n3
1.4051868146331E+23
n4
7.305423903853E+30
n5
3.798015883669E+38
2 √n
7210.3388963349
3 √n
373.2247637281
4 √n
84.913714418431
5 √n
34.928687855165
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
-51988986
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 51988987 can be divided by 4 positive divisors.
The sum of these divisors (counting 51988987) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000110010100100111111011
3
Ternary
10121211022111001
4
Quaternary
3012110213323
5
Quinary
101302121422
6
Senary
5054145431
8
Octal
306244773
10
Decimal
51988987
12
Duodecimal
154b2277
16
Hexadecimal
31949fb
20
Vigesimal
g4ic97
36
Base36
uyayj
md5
6be37a9fbf3f43425fa30c62652c15c0
sha1
70fca906cde65543314a32fdf7e37f0c0c2089c0
sha256
d7f0f71ec3a8d64da4c1d0ab6efdd3f5781a6bf7827989f1dc9c62c853a18d9e
sha512
7910aeb99fda2b8b33676ef50d2354caabd6aec39b2b2dc4da7a190ed4e5f2b15be415c2402898792b67fab87056d129f8e85d66afb9a4e9b98a0203cb40abc7
ripemd-160
2f1830d350416c90bb38fa186be77442071564d1
Diameter
103977974
Circumference
326656439.25355
Area
8.4912686869096E+15
Volume
5.88603276503E+23
Surface area
3.3965074747638E+16
Circumference
326656439.25355
Perimeter
207955948
Area
2702854769286169
Diagonal
73523530.509439
Surface area
16217128615717014
Volume
1.4051868146331E+23
Space diagonal
90047566.918038
Perimeter
155966961
Area
1.1703704464709E+15
Altitude
45023783.459019
Surface area
1.1703704464709E+15
Volume
1.6560285424349E+22
Height
24507843.503146