20496781 (number)

20496781 is an odd 8-digits composite number following 20496780 and preceding 20496782. In scientific notation, it is written as 2.0496781 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 19291072 positive integers (up to 20496781) that are relatively prime to 20496781.

Interesting facts

Basic properties

Name

Name twenty million four hundred ninety-six thousand seven hundred eighty-one

Notation

Scientific notation 2.0496781 × 10^7
Engineering notation 2.0496781 × 10^6

Prime Factorization of 20496781

Prime Factorization 17 × 1205693

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20496781
Product of the distinct prime numbers

The prime factorization of 20496781 is 17 × 1205693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20496781)

Multiplication

n×y
n×2 40993562
n×3 61490343
n×4 81987124
n×5 102483905

Division

n÷y
n÷2 10248390.5
n÷3 6832260.3333333
n÷3 5124195.25
n÷5 4099356.2

Exponentiation

ny
n2 420118031361961
n3 8.6110672829772E+21
n4 1.7649916027545E+29
n5 3.6176646348498E+36

Nth Root

y√n
2√n 4527.3370760305
3√n 273.67085790703
4√n 67.285489342283
5√n 28.995935978037

Divisors of 20496781

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 -20496780
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 20496781 can be divided by 4 positive divisors. The sum of these divisors (counting 20496781) is 1, the average is 0.25.

Base conversion 20496781

Base System Value
2 Binary 1001110001100000110001101
3 Ternary 1102120100022001
4 Quaternary 1032030012031
5 Quinary 20221344111
6 Senary 2011152301
8 Octal 116140615
10 Decimal 20496781
12 Duodecimal 6a45691
16 Hexadecimal 138c18d
20 Vigesimal 6821j1
36 Base36 c7bf1

Cryptographic Hash Functions

md5 e08a0bd94ca2531dcdeca028c7b5a69f
sha1 5852a2f40053b87fd105d87b87abc0253cfb53d3
sha256 bba93324c477806b286f1da3c018be03ff95cc57bbfedc60f92ad4410b17edc5
sha512 1442bd86dfe399fe69ecf8b13830f47aefb4de22d4d7c3ddd8c53533a80eb9b914b74a86a2780866067e4dd9dc717bf68b2911970857607895d10d20b64637e3
ripemd-160 c59c93fe9d20a1ad14acf1d00db627a9345ffb83

20496781 as geometric shapes

Circle

Radius = n
Diameter 40993562
Circumference 128785073.22368
Area 1.3198397209673E+15

Sphere

Radius = n
Volume 3.6069954287692E+22
Surface area 5.2793588838694E+15
Circumference 128785073.22368

Square

Length = n
Perimeter 81987124
Area 420118031361961
Diagonal 28986825.675191

Cube

Length = n
Surface area 2520708188171766
Volume 8.6110672829772E+21
Space diagonal 35501466.083612

Equilateral Triangle

Length = n
Perimeter 61490343
Area 1.8191644387368E+14
Altitude 17750733.041806

Triangular Pyramid

Length = n
Surface area 1.8191644387368E+14
Volume 1.0148240115078E+21
Height 9662275.2250637