20291221 (number)

20291221 is an odd 8-digits composite number following 20291220 and preceding 20291222. In scientific notation, it is written as 2.0291221 × 10^7. The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors. There are 18052848 positive integers (up to 20291221) that are relatively prime to 20291221.

Interesting facts

Basic properties

Name

Name twenty million two hundred ninety-one thousand two hundred twenty-one

Notation

Scientific notation 2.0291221 × 10^7
Engineering notation 2.0291221 × 10^6

Prime Factorization of 20291221

Prime Factorization 19 × 59 × 23 × 787

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20291221
Product of the distinct prime numbers

The prime factorization of 20291221 is 19 × 59 × 23 × 787. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20291221)

Multiplication

n×y
n×2 40582442
n×3 60873663
n×4 81164884
n×5 101456105

Division

n÷y
n÷2 10145610.5
n÷3 6763740.3333333
n÷3 5072805.25
n÷5 4058244.2

Exponentiation

ny
n2 411733649670841
n3 8.3545784786076E+21
n4 1.6952459827127E+29
n5 3.4398610884586E+36

Nth Root

y√n
2√n 4504.5777826562
3√n 272.75291055616
4√n 67.116151429117
5√n 28.937541833159

Divisors of 20291221

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 -20291220
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 20291221 can be divided by 16 positive divisors. The sum of these divisors (counting 20291221) is 1, the average is 0.0625.

Base conversion 20291221

Base System Value
2 Binary 1001101011001111010010101
3 Ternary 1102011220022201
4 Quaternary 1031121322111
5 Quinary 20143304341
6 Senary 2002524501
8 Octal 115317225
10 Decimal 20291221
12 Duodecimal 6966731
16 Hexadecimal 1359e95
20 Vigesimal 66g811
36 Base36 c2wt1

Cryptographic Hash Functions

md5 d10537827d87532f8f6e76db22ee5db9
sha1 1a0d939d13e807fc77f0eec47f4636add5603671
sha256 90f549631c66e28c13de5a80af8e1b0b80fe078eb6bb24939680bf8a2396f604
sha512 286556cbfa5fb637d3f6c1d694103470a01c96bc92407ec250771f2690ffd7985da8f61da34ee160844d543612530a2ee931e2751e4533a027b90740a19bf6a1
ripemd-160 5df80b7200466f6789b34d1a1d954921ae5ce866

20291221 as geometric shapes

Circle

Radius = n
Diameter 40582442
Circumference 127493501.65193
Area 1.2934994090416E+15

Sphere

Radius = n
Volume 3.4995576496311E+22
Surface area 5.1739976361665E+15
Circumference 127493501.65193

Square

Length = n
Perimeter 81164884
Area 411733649670841
Diagonal 28696119.93531

Cube

Length = n
Surface area 2470401898025046
Volume 8.3545784786076E+21
Space diagonal 35145425.719609

Equilateral Triangle

Length = n
Perimeter 60873663
Area 1.7828590010392E+14
Altitude 17572712.859804

Triangular Pyramid

Length = n
Surface area 1.7828590010392E+14
Volume 9.8459651602977E+20
Height 9565373.3117699