20749820 (number)

20749820 is an even 8-digits composite number following 20749819 and preceding 20749821. In scientific notation, it is written as 2.0749820 × 10^7. The sum of its digits is 32. It has a total of 7 prime factors and 72 positive divisors. There are 6559488 positive integers (up to 20749820) that are relatively prime to 20749820.

Interesting facts

Basic properties

Name

Name twenty million seven hundred forty-nine thousand eight hundred twenty

Notation

Scientific notation 2.0749820 × 10^7
Engineering notation 2.0749820 × 10^6

Prime Factorization of 20749820

Prime Factorization 2 × 2 × 5 × 13 × 7 × 13 × 877

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 798070
Product of the distinct prime numbers

The prime factorization of 20749820 is 2 × 2 × 5 × 13 × 7 × 13 × 877. Since it has a total of 7 prime factors.

Most popular turbo-numbers

2, 1, 70, 75, 584, 361, 6894, 6307, 38630, 30644, 516563, 91231, 3985695, 3977657, 21629645, 51509687, 394113732, 2546022, 5070748752, 2945669008

Basic calculations (n = 20749820)

Multiplication

n×y
n×2 41499640
n×3 62249460
n×4 82999280
n×5 103749100

Division

n÷y
n÷2 10374910
n÷3 6916606.6666667
n÷3 5187455
n÷5 4149964

Exponentiation

ny
n2 430555030032400
n3 8.9339393732669E+21
n4 1.853776338862E+29
n5 3.8465525351646E+36

Nth Root

y√n
2√n 4555.1970319625
3√n 274.79243841961
4√n 67.492199786068
5√n 29.067177771698

Divisors of 20749820

1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 169, 182, 260, 338, 364, 455, 676, 845, 877, 910, 1183, 1690, 1754, 1820, 2366, 3380, 3508, 4385, 4732, 5915, 6139, 8770, 11401, 11830, 12278, 17540, 22802, 23660, 24556, 30695, 45604, 57005, 61390, 79807, 114010, 122780, 148213, 159614, 228020, 296426, 319228, 399035, 592852, 741065, 798070, 1037491, 1482130, 1596140, 2074982, 2964260, 4149964, 5187455, 10374910, 20749820

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20749819
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20749820 can be divided by 72 positive divisors. The sum of these divisors (counting 20749820) is 1, the average is 0.013888888888889.

Base conversion 20749820

Base System Value
2 Binary 1001111001001110111111100
3 Ternary 1110001012101212
4 Quaternary 1033021313330
5 Quinary 20302443240
6 Senary 2020423552
8 Octal 117116774
10 Decimal 20749820
12 Duodecimal 6b47bb8
16 Hexadecimal 13c9dfc
20 Vigesimal 69deb0
36 Base36 ccqnw

Cryptographic Hash Functions

md5 eb75dffaac58d2e30307e9c6e2791331
sha1 17836cc86f4dc3a685558e954ad4e33e2f7bc8af
sha256 3b923654c48e9a7a260ef31e470feb54b7f8f1321b71cdfeb67a9a6672b0e5c5
sha512 07fe2dcdd2d917fef46d501a616d0a2073c585265c5ad61826155f5cbf624bca4c36990a852096206b1f5ab7a06e3c1657a640f4a11b14fe4dfe9f00bcfbf55f
ripemd-160 2c0473f5c4d6cdfb5341e36944d9e12e0c272aa5

20749820 as geometric shapes

Circle

Radius = n
Diameter 41499640
Circumference 130374964.15062
Area 1.3526285193159E+15

Sphere

Radius = n
Volume 3.7422397736896E+22
Surface area 5.4105140772637E+15
Circumference 130374964.15062

Square

Length = n
Perimeter 82999280
Area 430555030032400
Diagonal 29344676.8608

Cube

Length = n
Surface area 2583330180194400
Volume 8.9339393732669E+21
Space diagonal 35939742.487909

Equilateral Triangle

Length = n
Perimeter 62249460
Area 1.8643579686762E+14
Altitude 17969871.243954

Triangular Pyramid

Length = n
Surface area 1.8643579686762E+14
Volume 1.0528748522578E+21
Height 9781558.9536002