20287744 (number)

20287744 is an even 8-digits composite number following 20287743 and preceding 20287745. In scientific notation, it is written as 2.0287744 × 10^7. The sum of its digits is 34. It has a total of 11 prime factors and 72 positive divisors. There are 9289728 positive integers (up to 20287744) that are relatively prime to 20287744.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty-seven thousand seven hundred forty-four

Notation

Scientific notation 2.0287744 × 10^7
Engineering notation 2.0287744 × 10^6

Prime Factorization of 20287744

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 97 × 19 × 43

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 11
Total number of prime factors
rad Radical 158498
Product of the distinct prime numbers

The prime factorization of 20287744 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 97 × 19 × 43. Since it has a total of 11 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20287744)

Multiplication

n×y
n×2 40575488
n×3 60863232
n×4 81150976
n×5 101438720

Division

n÷y
n÷2 10143872
n÷3 6762581.3333333
n÷3 5071936
n÷5 4057548.8

Exponentiation

ny
n2 411592556609536
n3 8.3502844207998E+21
n4 1.6940843265637E+29
n5 3.4369149131738E+36

Nth Root

y√n
2√n 4504.1918254
3√n 272.7373304843
4√n 67.113276074112
5√n 28.936550047302

Divisors of 20287744

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20287743
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20287744 can be divided by 72 positive divisors. The sum of these divisors (counting 20287744) is 1, the average is 0.013888888888889.

Base conversion 20287744

Base System Value
2 Binary 1001101011001000100000000
3 Ternary 1102011201112221
4 Quaternary 1031121010000
5 Quinary 20143201434
6 Senary 2002500424
8 Octal 115310400
10 Decimal 20287744
12 Duodecimal 6964714
16 Hexadecimal 1359100
20 Vigesimal 66fj74
36 Base36 c2u4g

Cryptographic Hash Functions

md5 58010f105717499a1f9866949a923170
sha1 5261c04918a86ea2995e1bc0e05a3094bdf01ded
sha256 03798e75377bac8881e032f6659a454d2fa9e62de5a85888b421c335a813e5d4
sha512 1d84148144ed8bdf8c7ad76cf495418159a3f3879803f5c1d5c5d6e321b01fa68d3f763c070139fe0736cc0def49172c67e3f164872386048b24e1d4fb7107fc
ripemd-160 1f925363700e72a185a64355f4b45f97ba22e7de

20287744 as geometric shapes

Circle

Radius = n
Diameter 40575488
Circumference 127471655.01662
Area 1.2930561521168E+15

Sphere

Radius = n
Volume 3.4977589589026E+22
Surface area 5.172224608467E+15
Circumference 127471655.01662

Square

Length = n
Perimeter 81150976
Area 411592556609536
Diagonal 28691202.714753

Cube

Length = n
Surface area 2469555339657216
Volume 8.3502844207998E+21
Space diagonal 35139403.378951

Equilateral Triangle

Length = n
Perimeter 60863232
Area 1.7822480501622E+14
Altitude 17569701.689475

Triangular Pyramid

Length = n
Surface area 1.7822480501622E+14
Volume 9.8409045646398E+20
Height 9563734.2382511