20804990 (number)

20804990 is an even 8-digits composite number following 20804989 and preceding 20804991. In scientific notation, it is written as 2.0804990 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 8239200 positive integers (up to 20804990) that are relatively prime to 20804990.

Interesting facts

Basic properties

Name

Name twenty million eight hundred four thousand nine hundred ninety

Notation

Scientific notation 2.0804990 × 10^7
Engineering notation 2.0804990 × 10^6

Prime Factorization of 20804990

Prime Factorization 2 × 5 × 101 × 20599

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20804990
Product of the distinct prime numbers

The prime factorization of 20804990 is 2 × 5 × 101 × 20599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 6, 58, 34, 240, 373, 8872, 8389, 67764, 15193, 801445, 748100, 9999072, 3732524, 77770562, 93405306, 587499668, 863839882, 925744145, 7008430891

Basic calculations (n = 20804990)

Multiplication

n×y
n×2 41609980
n×3 62414970
n×4 83219960
n×5 104024950

Division

n÷y
n÷2 10402495
n÷3 6934996.6666667
n÷3 5201247.5
n÷5 4160998

Exponentiation

ny
n2 432847608900100
n3 9.0053901746905E+21
n4 1.8735705253053E+29
n5 3.8979616043272E+36

Nth Root

y√n
2√n 4561.2487325293
3√n 275.03576394371
4√n 67.537017498031
5√n 29.082618227591

Divisors of 20804990

1, 2, 5, 10, 101, 202, 505, 1010, 20599, 41198, 102995, 205990, 2080499, 4160998, 10402495, 20804990

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 -20804989
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 20804990 can be divided by 16 positive divisors. The sum of these divisors (counting 20804990) is 1, the average is 0.0625.

Base conversion 20804990

Base System Value
2 Binary 1001111010111010101111110
3 Ternary 1110011000002012
4 Quaternary 1033113111332
5 Quinary 20311224430
6 Senary 2021531222
8 Octal 117272576
10 Decimal 20804990
12 Duodecimal 6b73b12
16 Hexadecimal 13d757e
20 Vigesimal 6a0c9a
36 Base36 cdx8e

Cryptographic Hash Functions

md5 b2d85b978f997fc13bf04b86f0443148
sha1 6049c006c1e31d7c39eedeaea0f9eda52cea4590
sha256 15d3e74d3d4fa26d93a5cdb649703b9280a5441c04bdb4c5c163f7566a903823
sha512 34a896934b44269d9eda2b2ce32817456d10931617a74ff90a547cf2768aeacb9d4d1513921edf79fe0d2895b0a8e3bc84ece7ba1c2d2af1ac2e33414db3f141
ripemd-160 13ee93519eb42982e976b980e61b027dba4f346c

20804990 as geometric shapes

Circle

Radius = n
Diameter 41609980
Circumference 130721607.48402
Area 1.3598308682445E+15

Sphere

Radius = n
Volume 3.7721690154023E+22
Surface area 5.4393234729778E+15
Circumference 130721607.48402

Square

Length = n
Perimeter 83219960
Area 432847608900100
Diagonal 29422699.023037

Cube

Length = n
Surface area 2597085653400600
Volume 9.0053901746905E+21
Space diagonal 36035299.730962

Equilateral Triangle

Length = n
Perimeter 62414970
Area 1.8742851263742E+14
Altitude 18017649.865481

Triangular Pyramid

Length = n
Surface area 1.8742851263742E+14
Volume 1.0612954099591E+21
Height 9807566.3410122