20404781 (number)

20404781 is an odd 8-digits composite number following 20404780 and preceding 20404782. In scientific notation, it is written as 2.0404781 × 10^7. The sum of its digits is 26. It has a total of 2 prime factors and 4 positive divisors. There are 20269500 positive integers (up to 20404781) that are relatively prime to 20404781.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0404781 × 10^7
Engineering notation 2.0404781 × 10^6

Prime Factorization of 20404781

Prime Factorization 151 × 135131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20404781
Product of the distinct prime numbers

The prime factorization of 20404781 is 151 × 135131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20404781)

Multiplication

n×y
n×2 40809562
n×3 61214343
n×4 81619124
n×5 102023905

Division

n÷y
n÷2 10202390.5
n÷3 6801593.6666667
n÷3 5101195.25
n÷5 4080956.2

Exponentiation

ny
n2 416355087657961
n3 8.4956343818965E+21
n4 1.7335155901867E+29
n5 3.5372005977845E+36

Nth Root

y√n
2√n 4517.1651508441
3√n 273.26078565732
4√n 67.209859030086
5√n 28.969859410059

Divisors of 20404781

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 -20404780
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 20404781 can be divided by 4 positive divisors. The sum of these divisors (counting 20404781) is 1, the average is 0.25.

Base conversion 20404781

Base System Value
2 Binary 1001101110101101000101101
3 Ternary 1102101200002122
4 Quaternary 1031311220231
5 Quinary 20210423111
6 Senary 2005202325
8 Octal 115655055
10 Decimal 20404781
12 Duodecimal 6a003a5
16 Hexadecimal 1375a2d
20 Vigesimal 67abj1
36 Base36 c5cfh

Cryptographic Hash Functions

md5 95a9ff7ceb69139da18b7e0cffd21431
sha1 2427bbf833bb3c3ea0b1e3ac3a91c322397ffdc4
sha256 b84e88710f232eeb7fde0bfef01ac627b5d933c289fd0ef2e0e6141a6ddc1825
sha512 1357d518ab71f75aa493b6afecb8413919c87f06b3004ba74da3260730fe27a011ebb538f11bf1d8cc01b01503ea61561b437a8c5a6673212d76c6bf50df052e
ripemd-160 635c5b0fad617884c7dc9d0e6fcd0bc2d6ac7a03

20404781 as geometric shapes

Circle

Radius = n
Diameter 40809562
Circumference 128207020.17542
Area 1.308018084671E+15

Sphere

Radius = n
Volume 3.5586430082335E+22
Surface area 5.2320723386839E+15
Circumference 128207020.17542

Square

Length = n
Perimeter 81619124
Area 416355087657961
Diagonal 28856718.027453

Cube

Length = n
Surface area 2498130525947766
Volume 8.4956343818965E+21
Space diagonal 35342117.409316

Equilateral Triangle

Length = n
Perimeter 61214343
Area 1.8028704145335E+14
Altitude 17671058.704658

Triangular Pyramid

Length = n
Surface area 1.8028704145335E+14
Volume 1.0012201136534E+21
Height 9618906.0091509