51686721 (number)

51686721 is an odd 8-digits composite number following 51686720 and preceding 51686722. In scientific notation, it is written as 5.1686721 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 34457796 positive integers (up to 51686721) that are relatively prime to 51686721.

Interesting facts

Basic properties

Name

Name fifty-one million six hundred eighty-six thousand seven hundred twenty-one

Notation

Scientific notation 5.1686721 × 10^7
Engineering notation 5.1686721 × 10^6

Prime Factorization of 51686721

Prime Factorization 9 × 3 × 1914323

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 51686721
Product of the distinct prime numbers

The prime factorization of 51686721 is 9 × 3 × 1914323. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 91, 81, 653, 190, 4093, 1264, 94796, 55270, 76937, 576350, 5639300, 3687705, 98208010, 63663863, 606192188, 385580408, 5897668652, 8327913097

Basic calculations (n = 51686721)

Multiplication

n×y
n×2 103373442
n×3 155060163
n×4 206746884
n×5 258433605

Division

n÷y
n÷2 25843360.5
n÷3 17228907
n÷3 12921680.25
n÷5 10337344.2

Exponentiation

ny
n2 2671517127731841
n3 1.380819604278E+23
n4 7.1370037637646E+30
n5 3.6888832231365E+38

Nth Root

y√n
2√n 7189.3477451018
3√n 372.500042941
4√n 84.790021494877
5√n 34.88797771767

Divisors of 51686721

1, 3, 9, 27, 1914323, 5742969, 17228907, 51686721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51686720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51686721 can be divided by 8 positive divisors. The sum of these divisors (counting 51686721) is 1, the average is 0.125.

Base conversion 51686721

Base System Value
2 Binary 11000101001010110101000001
3 Ternary 10121020221212000
4 Quaternary 3011022311001
5 Quinary 101212433341
6 Senary 5043454213
8 Octal 305126501
10 Decimal 51686721
12 Duodecimal 15387369
16 Hexadecimal 314ad41
20 Vigesimal g30gg1
36 Base36 urtq9

Cryptographic Hash Functions

md5 8f9afe284a67edfbafb53b301a613e22
sha1 082626c0dcb997e111d8a6f04e4a0670a9ba4d80
sha256 179daaf3fc6296c4df43162b30afbcda7eabee1d8acf0ec509ec5719332ea9f3
sha512 7fc0257eb2efe3fc8a3f17b4493496cd21ae39c57caf5c5c69f6ae44017e04ec5e2c9da1a0b7841598071f256e7c8c55b227d71767e8c120a315da66c07b1426
ripemd-160 9f5e39c8496b25d14db8a6544e7f5e1c696ff0e1

51686721 as geometric shapes

Circle

Radius = n
Diameter 103373442
Circumference 324757245.96349
Area 8.3928185824217E+15

Sphere

Radius = n
Volume 5.7839636329766E+23
Surface area 3.3571274329687E+16
Circumference 324757245.96349

Square

Length = n
Perimeter 206746884
Area 2671517127731841
Diagonal 73096061.832794

Cube

Length = n
Surface area 16029102766391046
Volume 1.380819604278E+23
Space diagonal 89524026.848637

Equilateral Triangle

Length = n
Perimeter 155060163
Area 1.1568008496305E+15
Altitude 44762013.424319

Triangular Pyramid

Length = n
Surface area 1.1568008496305E+15
Volume 1.6273115096338E+22
Height 24365353.944265