51887986 is an even 8-digits composite number following 51887985
and preceding 51887987 . In scientific notation, it is written as 5.1887986 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 24427440 positive integers (up to 51887986) that are relatively prime to 51887986.
51887986 has 16 divisors, whose sum is 82517760
The reverse of 51887986 is 68978815
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
fifty-one million eight hundred eighty-seven thousand nine hundred eighty-six
Scientific notation
5.1887986 × 10^7
Engineering notation
5.1887986 × 10^6
Prime Factorization
2 × 31 × 37 × 22619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
51887986
Product of the distinct prime numbers
The prime factorization of 51887986 is 2 × 31 × 37 × 22619.
Since it has a total of 4 prime factors.
9 , 3 , 43 , 77 , 48 , 431 , 2948 , 3385 , 6893 , 64654 , 187917 , 33077 , 2338011 , 8094442 , 5563585 , 3032739 , 124905193 , 749884252 , 9471951427 , 7240280851
n×2
103775972
n×3
155663958
n×4
207551944
n×5
259439930
n÷2
25943993
n÷3
17295995.333333
n÷3
12971996.5
n÷5
10377597.2
n2
2692363091136196
n3
1.3970129837979E+23
n4
7.2488190145125E+30
n5
3.7612661954156E+38
2 √n
7203.3315903129
3 √n
372.9829143537
4 √n
84.872443056112
5 √n
34.915105836096
1 , 2 , 31 , 37 , 62 , 74 , 1147 , 2294 , 22619 , 45238 , 701189 , 836903 , 1402378 , 1673806 , 25943993 , 51887986
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
-51887985
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 51887986 can be divided by 16 positive divisors.
The sum of these divisors (counting 51887986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11000101111011111101110010
3
Ternary
10121122011221021
4
Quaternary
3011323331302
5
Quinary
101240403421
6
Senary
5052050054
8
Octal
305737562
10
Decimal
51887986
12
Duodecimal
1546392a
16
Hexadecimal
317bf72
20
Vigesimal
g45jj6
36
Base36
uw50y
md5
7293f2562958b7a7502e4247df8c8edb
sha1
56ffec184ea7bb94c032f41e478e37faaa848c4f
sha256
699c339239c76a03be83137f0532920d4b90bc05395e212811b0ce064a2f378f
sha512
067fc2d1d5eea6bc49eaa39ccd46330813189507558577cdbff2424ad2a091d2eb17488ded118d4ae700e64fd673271b0e507feba82e81944f7fe0cc2ac55229
ripemd-160
23f7c68b64bd12b15c1b587dd8b6c921158fdea9
Diameter
103775972
Circumference
326021831.25434
Area
8.4583081079098E+15
Volume
5.8517943024921E+23
Surface area
3.3833232431639E+16
Circumference
326021831.25434
Perimeter
207551944
Area
2692363091136196
Diagonal
73380693.525425
Surface area
16154178546817176
Volume
1.3970129837979E+23
Space diagonal
89872628.054423
Perimeter
155663958
Area
1.1658274165678E+15
Altitude
44936314.027211
Surface area
1.1658274165678E+15
Volume
1.6463955904153E+22
Height
24460231.175142