51387946 is an even 8-digits composite number following 51387945
and preceding 51387947 . In scientific notation, it is written as 5.1387946 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 25693972 positive integers (up to 51387946) that are relatively prime to 51387946.
51387946 has 4 divisors, whose sum is 77081922
The reverse of 51387946 is 64978315
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
fifty-one million three hundred eighty-seven thousand nine hundred forty-six
Scientific notation
5.1387946 × 10^7
Engineering notation
5.1387946 × 10^6
Prime Factorization
2 × 25693973
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
51387946
Product of the distinct prime numbers
The prime factorization of 51387946 is 2 × 25693973.
Since it has a total of 2 prime factors.
1 , 9 , 58 , 19 , 11 , 588 , 9651 , 3826 , 61337 , 27578 , 77546 , 73867 , 1446873 , 5484417 , 83424280 , 1760822 , 221445029 , 248814815 , 2193845959 , 9974224198
n×2
102775892
n×3
154163838
n×4
205551784
n×5
256939730
n÷2
25693973
n÷3
17129315.333333
n÷3
12846986.5
n÷5
10277589.2
n2
2640720994098916
n3
1.3570122784582E+23
n4
6.9734073686748E+30
n5
3.5834908129746E+38
2 √n
7168.5386237364
3 √n
371.78091022601
4 √n
84.667222841761
5 √n
34.847550153914
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
-51387945
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 51387946 can be divided by 4 positive divisors.
The sum of these divisors (counting 51387946) is 1, the average is 0.25.
Base
System
Value
2
Binary
11000100000001111000101010
3
Ternary
10120200210000021
4
Quaternary
3010001320222
5
Quinary
101123403241
6
Senary
5033231054
8
Octal
304017052
10
Decimal
51387946
12
Duodecimal
1526248a
16
Hexadecimal
3101e2a
20
Vigesimal
g139h6
36
Base36
ulf6y
md5
a3d8e9cf7c26b8ec552274f2609f1e56
sha1
43d23dbd998cd2bdd13f34b95eb34ab01fc562fe
sha256
0e613e1ad59783c3dd73815a45d86970d92d3e4f379c428fe07b35e422f9225e
sha512
29fd6be798dec07d969d8258e9f338dc43419b8f0269a29d5817a491af60799875eddc3add02d6084c6492622269b7f61004b5c6e738269a90f24af1992a98ab
ripemd-160
08e8b18dc6afa231702ae1e8f354097ed4049e62
Diameter
102775892
Circumference
322879987.27334
Area
8.2960696752415E+15
Volume
5.6842397397806E+23
Surface area
3.3184278700966E+16
Circumference
322879987.27334
Perimeter
205551784
Area
2640720994098916
Diagonal
72673530.175696
Surface area
15844325964593496
Volume
1.3570122784582E+23
Space diagonal
89006533.368606
Perimeter
154163838
Area
1.1434657325983E+15
Altitude
44503266.684303
Surface area
1.1434657325983E+15
Volume
1.5992543070854E+22
Height
24224510.058565