Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

20197821 (number)

20197821 is an odd 8-digits composite number following 20197820 and preceding 20197822. In scientific notation, it is written as 2.0197821 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 11517744 positive integers (up to 20197821) that are relatively prime to 20197821.

Interesting facts

20197821 has 8 divisors, whose sum is 21203424
The reverse of 20197821 is 12879102
Previous prime number is 1163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

Name	twenty million one hundred ninety-seven thousand eight hundred twenty-one

Notation

Scientific notation	2.0197821 × 10^7
Engineering notation	2.0197821 × 10^6

Prime Factorization of 20197821

Prime Factorization 21 × 1163 × 827

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20197821	Product of the distinct prime numbers

The prime factorization of 20197821 is 21 × 1163 × 827. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 85, 79, 77, 819, 9157, 1061, 5182, 46392, 749124, 132769, 3229222, 1373609, 30953447, 49633202, 657761123, 566197796, 8601415446, 2566224113

Basic calculations (n = 20197821)

Multiplication

n×y

n×2	40395642
n×3	60593463
n×4	80791284
n×5	100989105

Division

n÷y

n÷2	10098910.5
n÷3	6732607
n÷3	5049455.25
n÷5	4039564.2

Exponentiation

n^y

n²	407951973148041
n³	8.2397409302409E+21
n⁴	1.6642481239538E+29
n⁵	3.3614185707205E+36

Nth Root

^y√n

²√n	4494.1985937428
³√n	272.333775121
⁴√n	67.038784250185
⁵√n	28.91085288721

Divisors of 20197821

1, 21, 827, 1163, 17367, 24423, 961801, 20197821

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20197820	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20197821 can be divided by 8 positive divisors. The sum of these divisors (counting 20197821) is 1, the average is 0.125.

Base conversion 20197821

Base	System	Value
2	Binary	1001101000011000110111101
3	Ternary	1102000011012110
4	Quaternary	1031003012331
5	Quinary	20132312241
6	Senary	2000524233
8	Octal	115030675
10	Decimal	20197821
12	Duodecimal	6920679
16	Hexadecimal	13431bd
20	Vigesimal	664eb1
36	Base36	c0wql

Cryptographic Hash Functions

md5	5a22d56194b594f9a326641ad92a18fc
sha1	7edb4b7855d9c14986a461923e1c5e2f7571b574
sha256	107e6f9cf81423e513acd7e18d78891599705ec6da17a9027fb1bdc0ff52e57a
sha512	0409cf58281bcb678ed31033101b132112bfd668c36412213ca909c993f61aa16e955a0cbd10aaa6e85a2bcd051cbd95032ab622bf1f2efbe40cfd1a09fa7bd1
ripemd-160	804909e1e4c6f7bd6d7e6950a62e7ab5b90d3c28

20197821 as geometric shapes

Circle

Radius = n

Diameter	40395642
Circumference	126906652.14424
Area	1.2816189218593E+15

Sphere

Radius = n

Volume	3.4514546098571E+22
Surface area	5.1264756874374E+15
Circumference	126906652.14424

Square

Length = n

Perimeter	80791284
Area	407951973148041
Diagonal	28564032.388584

Cube

Length = n

Surface area	2447711838888246
Volume	8.2397409302409E+21
Space diagonal	34983652.174182

Equilateral Triangle

Length = n

Perimeter	60593463
Area	1.766483861351E+14
Altitude	17491826.087091

Triangular Pyramid

Length = n

Surface area	1.766483861351E+14
Volume	9.7106278116562E+20
Height	9521344.129528