20742731 (number)

20742731 is an odd 8-digits composite number following 20742730 and preceding 20742732. In scientific notation, it is written as 2.0742731 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 20148480 positive integers (up to 20742731) that are relatively prime to 20742731.

Interesting facts

Basic properties

Name

Name twenty million seven hundred forty-two thousand seven hundred thirty-one

Notation

Scientific notation 2.0742731 × 10^7
Engineering notation 2.0742731 × 10^6

Prime Factorization of 20742731

Prime Factorization 73 × 67 × 4241

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20742731
Product of the distinct prime numbers

The prime factorization of 20742731 is 73 × 67 × 4241. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20742731)

Multiplication

n×y
n×2 41485462
n×3 62228193
n×4 82970924
n×5 103713655

Division

n÷y
n÷2 10371365.5
n÷3 6914243.6666667
n÷3 5185682.75
n÷5 4148546.2

Exponentiation

ny
n2 430260889338361
n3 8.9247858873664E+21
n4 1.8512443289424E+29
n5 3.8399863130527E+36

Nth Root

y√n
2√n 4554.4188432774
3√n 274.7611413533
4√n 67.486434513
5√n 29.06519138928

Divisors of 20742731

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 -20742730
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 20742731 can be divided by 8 positive divisors. The sum of these divisors (counting 20742731) is 1, the average is 0.125.

Base conversion 20742731

Base System Value
2 Binary 1001111001000001001001011
3 Ternary 1110000211200022
4 Quaternary 1033020021023
5 Quinary 20302231411
6 Senary 2020331055
8 Octal 117101113
10 Decimal 20742731
12 Duodecimal 6b43a8b
16 Hexadecimal 13c824b
20 Vigesimal 69cggb
36 Base36 ccl6z

Cryptographic Hash Functions

md5 c4df5c3e1a768fd01f868e4ad3d43ae3
sha1 4d0bb8125e6c6a7c30f6d3472083c05fd0e6df9a
sha256 055112f8a068529c857b6f77b903015aa41905214658df53ad788bf04d71e81b
sha512 bc3c102284404962756bd6b3ce64c586e49975ec63518ccba1b686f20e8d0d197c3b540bde8e1c1027f9f163c1c087abfed53337abc2f6fa6f214c4cb189a024
ripemd-160 163255dd4693f0c86c55442d6d00b0aa6c9a38d3

20742731 as geometric shapes

Circle

Radius = n
Diameter 41485462
Circumference 130330422.64998
Area 1.3517044490724E+15

Sphere

Radius = n
Volume 3.7384055704816E+22
Surface area 5.4068177962896E+15
Circumference 130330422.64998

Square

Length = n
Perimeter 82970924
Area 430260889338361
Diagonal 29334651.500857

Cube

Length = n
Surface area 2581565336030166
Volume 8.9247858873664E+21
Space diagonal 35927463.979734

Equilateral Triangle

Length = n
Perimeter 62228193
Area 1.8630843021095E+14
Altitude 17963731.989867

Triangular Pyramid

Length = n
Surface area 1.8630843021095E+14
Volume 1.0517961035991E+21
Height 9778217.1669523