20805980 (number)

20805980 is an even 8-digits composite number following 20805979 and preceding 20805981. In scientific notation, it is written as 2.0805980 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 48 positive divisors. There are 7499520 positive integers (up to 20805980) that are relatively prime to 20805980.

Interesting facts

Basic properties

Name

Name twenty million eight hundred five thousand nine hundred eighty

Notation

Scientific notation 2.0805980 × 10^7
Engineering notation 2.0805980 × 10^6

Prime Factorization of 20805980

Prime Factorization 2 × 2 × 5 × 13 × 43 × 1861

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10402990
Product of the distinct prime numbers

The prime factorization of 20805980 is 2 × 2 × 5 × 13 × 43 × 1861. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 9, 48, 95, 379, 707, 3498, 7966, 72877, 69058, 914781, 697122, 8419333, 4609289, 23969951, 41007026, 87916755, 810442338, 8898158881, 6333848277

Basic calculations (n = 20805980)

Multiplication

n×y
n×2 41611960
n×3 62417940
n×4 83223920
n×5 104029900

Division

n÷y
n÷2 10402990
n÷3 6935326.6666667
n÷3 5201495
n÷5 4161196

Exponentiation

ny
n2 432888803760400
n3 9.0066757932628E+21
n4 1.8739271642111E+29
n5 3.8988891100033E+36

Nth Root

y√n
2√n 4561.3572541514
3√n 275.04012637612
4√n 67.537820916516
5√n 29.082895000077

Divisors of 20805980

1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1861, 2236, 2795, 3722, 5590, 7444, 9305, 11180, 18610, 24193, 37220, 48386, 80023, 96772, 120965, 160046, 241930, 320092, 400115, 483860, 800230, 1040299, 1600460, 2080598, 4161196, 5201495, 10402990, 20805980

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20805979
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20805980 can be divided by 48 positive divisors. The sum of these divisors (counting 20805980) is 1, the average is 0.020833333333333.

Base conversion 20805980

Base System Value
2 Binary 1001111010111100101011100
3 Ternary 1110011001102212
4 Quaternary 1033113211130
5 Quinary 20311242410
6 Senary 2021535552
8 Octal 117274534
10 Decimal 20805980
12 Duodecimal 6b745b8
16 Hexadecimal 13d795c
20 Vigesimal 6a0ej0
36 Base36 cdxzw

Cryptographic Hash Functions

md5 fab05554f6fec153a5a44aa401d1e18f
sha1 4511949806ef37264131049b0187e5dffe303d20
sha256 3c5303834dfe893978b4985cd1ab36131be892c1cbab4c75137e9594bac2b80d
sha512 7cef355f5569db95c511a7b28b6f1b862647473aa20857feca3fc96c0526f4d9b45e754951c7ba70fafe5b9c2510904ddb307c619928d18ca23700e18eee255d
ripemd-160 803fddc66fe31f8fc3003d47362f315aec550a04

20805980 as geometric shapes

Circle

Radius = n
Diameter 41611960
Circumference 130727827.83747
Area 1.3599602857149E+15

Sphere

Radius = n
Volume 3.7727075340506E+22
Surface area 5.4398411428598E+15
Circumference 130727827.83747

Square

Length = n
Perimeter 83223920
Area 432888803760400
Diagonal 29424099.094463

Cube

Length = n
Surface area 2597332822562400
Volume 9.0066757932628E+21
Space diagonal 36037014.461262

Equilateral Triangle

Length = n
Perimeter 62417940
Area 1.8744635053518E+14
Altitude 18018507.230631

Triangular Pyramid

Length = n
Surface area 1.8744635053518E+14
Volume 1.0614469215608E+21
Height 9808033.0314878