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

20149821 (number)

20149821 is an odd 8-digits composite number following 20149820 and preceding 20149822. In scientific notation, it is written as 2.0149821 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 13313664 positive integers (up to 20149821) that are relatively prime to 20149821.

Interesting facts

20149821 has 8 divisors, whose sum is 22587960
The reverse of 20149821 is 12894102
Previous prime number is 113

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

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

Notation

Scientific notation	2.0149821 × 10^7
Engineering notation	2.0149821 × 10^6

Prime Factorization of 20149821

Prime Factorization 9 × 113 × 19813

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20149821	Product of the distinct prime numbers

The prime factorization of 20149821 is 9 × 113 × 19813. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 7, 89, 90, 14, 439, 1286, 609, 69677, 44112, 598688, 774739, 1243716, 7949520, 89380487, 33609272, 331125938, 201442855, 2820073858, 1369296724

Basic calculations (n = 20149821)

Multiplication

n×y

n×2	40299642
n×3	60449463
n×4	80599284
n×5	100749105

Division

n÷y

n÷2	10074910.5
n÷3	6716607
n÷3	5037455.25
n÷5	4029964.2

Exponentiation

n^y

n²	406015286332041
n³	8.1811353428544E+21
n⁴	1.6484841273529E+29
n⁵	3.3216660087502E+36

Nth Root

^y√n

²√n	4488.8551992685
³√n	272.1178708065
⁴√n	66.998919388812
⁵√n	28.897098512549

Divisors of 20149821

1, 9, 113, 1017, 19813, 178317, 2238869, 20149821

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	-20149820	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 20149821 can be divided by 8 positive divisors. The sum of these divisors (counting 20149821) is 1, the average is 0.125.

Base conversion 20149821

Base	System	Value
2	Binary	1001100110111011000111101
3	Ternary	1101220201100200
4	Quaternary	1030313120331
5	Quinary	20124243241
6	Senary	1555514113
8	Octal	114673075
10	Decimal	20149821
12	Duodecimal	68b8939
16	Hexadecimal	133763d
20	Vigesimal	65ieb1
36	Base36	bzvp9

Cryptographic Hash Functions

md5	b5945f45034255aa687eba33733441d4
sha1	c7d82ba01482fd97c52102f9e9f96aeb87e96bcc
sha256	75c1dd1ee88cee8c79db103f751dbef19c2137719001654b90740ffb4319a3ba
sha512	b8695290325753edb91256f2a9a2e38d914980f7a070b56670074abca5d2bb0a307679e5a17e8f181a0894d8c4be45f73d15bc5e081a4baccdc47483f47c495d
ripemd-160	fdf7c975be13044f663c0ca0aca68dc102191790

20149821 as geometric shapes

Circle

Radius = n

Diameter	40299642
Circumference	126605059.2495
Area	1.2755346407859E+15

Sphere

Radius = n

Volume	3.426905958818E+22
Surface area	5.1021385631436E+15
Circumference	126605059.2495

Square

Length = n

Perimeter	80599284
Area	406015286332041
Diagonal	28496150.13759

Cube

Length = n

Surface area	2436091717992246
Volume	8.1811353428544E+21
Space diagonal	34900513.735418

Equilateral Triangle

Length = n

Perimeter	60449463
Area	1.7580977614418E+14
Altitude	17450256.867709

Triangular Pyramid

Length = n

Surface area	1.7580977614418E+14
Volume	9.6415604645621E+20
Height	9498716.7125301