51988785 is an odd 8-digits composite number following 51988784
and preceding 51988786 . In scientific notation, it is written as 5.1988785 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 27645120 positive integers (up to 51988785) that are relatively prime to 51988785.
51988785 has 16 divisors, whose sum is 83428800
The reverse of 51988785 is 58788915
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
fifty-one million nine hundred eighty-eight thousand seven hundred eighty-five
Scientific notation
5.1988785 × 10^7
Engineering notation
5.1988785 × 10^6
Prime Factorization
3 × 5 × 349 × 9931
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51988785
Product of the distinct prime numbers
The prime factorization of 51988785 is 3 × 5 × 349 × 9931.
Since it has a total of 4 prime factors.
6 , 6 , 97 , 22 , 43 , 425 , 6783 , 9340 , 49223 , 14036 , 924999 , 93391 , 7384611 , 2147474 , 21439215 , 38132785 , 765567870 , 20212297 , 6660609872 , 8531713456
n×2
103977570
n×3
155966355
n×4
207955140
n×5
259943925
n÷2
25994392.5
n÷3
17329595
n÷3
12997196.25
n÷5
10397757
n2
2702833765776225
n3
1.4051704353968E+23
n4
7.3053103654201E+30
n5
3.797942099461E+38
2 √n
7210.3248886579
3 √n
373.22428034688
4 √n
84.913631936562
5 √n
34.928660712471
1 , 3 , 5 , 15 , 349 , 1047 , 1745 , 5235 , 9931 , 29793 , 49655 , 148965 , 3465919 , 10397757 , 17329595 , 51988785
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
-51988784
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 51988785 can be divided by 16 positive divisors.
The sum of these divisors (counting 51988785) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000110010100100100110001
3
Ternary
10121211022012120
4
Quaternary
3012110210301
5
Quinary
101302120120
6
Senary
5054144453
8
Octal
306244461
10
Decimal
51988785
12
Duodecimal
154b2129
16
Hexadecimal
3194931
20
Vigesimal
g4ibj5
36
Base36
uyasx
md5
885fdd79f2beda51c5f59156c5fe7ac6
sha1
6ae4f257e1160ca75fb4897b161fb9dc4964a02f
sha256
6ec9c718e2f9afaa2a4859ba0b21327f1bb4bb50885b2af01ace2ca8251a78af
sha512
ac352a0c70cf31404b69618f790ab3535b91d68dc3b469f6127b386cfc3659598d5f74de57d9261760420c6087323b90e3cce6a4de7949dc0f235a3a84a2cad3
ripemd-160
f79a676a1f634ba05f8028e2d1b45dc23a5d700f
Diameter
103977570
Circumference
326655170.05012
Area
8.491202702437E+15
Volume
5.8859641558456E+23
Surface area
3.3964810809748E+16
Circumference
326655170.05012
Perimeter
207955140
Area
2702833765776225
Diagonal
73523244.838299
Surface area
16217002594657350
Volume
1.4051704353968E+23
Space diagonal
90047217.043775
Perimeter
155966355
Area
1.1703613516843E+15
Altitude
45023608.521887
Surface area
1.1703613516843E+15
Volume
1.6560092393199E+22
Height
24507748.279433