20804890 (number)

20804890 is an even 8-digits composite number following 20804889 and preceding 20804891. In scientific notation, it is written as 2.0804890 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 8034880 positive integers (up to 20804890) that are relatively prime to 20804890.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand eight hundred ninety

Notation

Scientific notation 2.0804890 × 10^7
Engineering notation 2.0804890 × 10^6

Prime Factorization of 20804890

Prime Factorization 2 × 5 × 29 × 71741

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20804890
Product of the distinct prime numbers

The prime factorization of 20804890 is 2 × 5 × 29 × 71741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 29, 69, 433, 530, 4147, 5964, 65973, 78272, 562706, 401781, 3300895, 8381667, 17976859, 74311002, 262424596, 527510185, 8800798617, 472104444

Basic calculations (n = 20804890)

Multiplication

n×y
n×2 41609780
n×3 62414670
n×4 83219560
n×5 104024450

Division

n÷y
n÷2 10402445
n÷3 6934963.3333333
n÷3 5201222.5
n÷5 4160978

Exponentiation

ny
n2 432843447912100
n3 9.005260321032E+21
n4 1.8735345040043E+29
n5 3.8978679267015E+36

Nth Root

y√n
2√n 4561.2377706057
3√n 275.03532328628
4√n 67.536936343054
5√n 29.082590270188

Divisors of 20804890

1, 2, 5, 10, 29, 58, 145, 290, 71741, 143482, 358705, 717410, 2080489, 4160978, 10402445, 20804890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20804889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20804890 can be divided by 16 positive divisors. The sum of these divisors (counting 20804890) is 1, the average is 0.0625.

Base conversion 20804890

Base System Value
2 Binary 1001111010111010100011010
3 Ternary 1110010222221111
4 Quaternary 1033113110122
5 Quinary 20311224030
6 Senary 2021530534
8 Octal 117272432
10 Decimal 20804890
12 Duodecimal 6b73a4a
16 Hexadecimal 13d751a
20 Vigesimal 6a0c4a
36 Base36 cdx5m

Cryptographic Hash Functions

md5 9fc505d6d859dccd312e37443490f4a3
sha1 4c3f0e84a5149205befe29adcb0ab614192b45bf
sha256 fc610f36e1190c0ee9a3301aec22c838a07e29554f8efcada8a4ac02a2e22506
sha512 e55160e7f4d333b7c44aca3ea29a80e4f9a9add72591f4eeb0cb81f959c22091c1bccc4d1ed050697dc0826984030b512bc05e7e85d29d25d8cf62792c778913
ripemd-160 239bc254440300f7e61d69778850b4db60aa06b9

20804890 as geometric shapes

Circle

Radius = n
Diameter 41609780
Circumference 130720979.16549
Area 1.3598177961151E+15

Sphere

Radius = n
Volume 3.772114622429E+22
Surface area 5.4392711844605E+15
Circumference 130720979.16549

Square

Length = n
Perimeter 83219560
Area 432843447912100
Diagonal 29422557.60168

Cube

Length = n
Surface area 2597060687472600
Volume 9.005260321032E+21
Space diagonal 36035126.525882

Equilateral Triangle

Length = n
Perimeter 62414670
Area 1.8742671087676E+14
Altitude 18017563.262941

Triangular Pyramid

Length = n
Surface area 1.8742671087676E+14
Volume 1.0612801065586E+21
Height 9807519.2005601