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

20442981 (number)

20442981 is an odd 8-digits composite number following 20442980 and preceding 20442982. In scientific notation, it is written as 2.0442981 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 11819520 positive integers (up to 20442981) that are relatively prime to 20442981.

Interesting facts

20442981 has 16 divisors, whose sum is 22980608
The reverse of 20442981 is 18924402
Previous prime number is 13

Basic properties

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

Name

Name	twenty million four hundred forty-two thousand nine hundred eighty-one

Notation

Scientific notation	2.0442981 × 10^7
Engineering notation	2.0442981 × 10^6

Prime Factorization of 20442981

Prime Factorization 111 × 31 × 13 × 457

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	20442981	Product of the distinct prime numbers

The prime factorization of 20442981 is 111 × 31 × 13 × 457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 2, 94, 998, 779, 2274, 8804, 88771, 58271, 631251, 266932, 4821366, 1762311, 54272034, 48098746, 746135829, 130079249, 6312317477, 1158242148

Basic calculations (n = 20442981)

Multiplication

n×y

n×2	40885962
n×3	61328943
n×4	81771924
n×5	102214905

Division

n÷y

n÷2	10221490.5
n÷3	6814327
n÷3	5110745.25
n÷5	4088596.2

Exponentiation

n^y

n²	417915472166361
n³	8.5434380571029E+21
n⁴	1.7465334187603E+29
n⁵	3.5704349495582E+36

Nth Root

^y√n

²√n	4521.3914893537
³√n	273.43120412824
⁴√n	67.241293037491
⁵√n	28.980698250738

Divisors of 20442981

1, 13, 31, 111, 403, 457, 1443, 3441, 5941, 14167, 44733, 50727, 184171, 659451, 1572537, 20442981

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	-20442980	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 20442981 can be divided by 16 positive divisors. The sum of these divisors (counting 20442981) is 1, the average is 0.0625.

Base conversion 20442981

Base	System	Value
2	Binary	1001101111110111101100101
3	Ternary	1102110121111110
4	Quaternary	1031332331211
5	Quinary	20213133411
6	Senary	2010055233
8	Octal	115767545
10	Decimal	20442981
12	Duodecimal	6a1a519
16	Hexadecimal	137ef65
20	Vigesimal	67f791
36	Base36	c65wl

Cryptographic Hash Functions

md5	ffea340a81707647b42408af4c32cadf
sha1	41b0307a7c8014f4265cb95f8d1028600bc0b733
sha256	5bfdabaf1bdf9b51721ca909c14cfbd8c7279613a1c5eed26be2cb2c5f2d885d
sha512	a81848161e96c452760b353b999a33a5f12f86797872defcf2e8a7d3d458c6f328c33bc304faee57298c2eb4467aef1c9301d7e14f929ce19dfec3373f82fee0
ripemd-160	711297fb0d1ef17aa4d675bd00f823428a9ea56d

20442981 as geometric shapes

Circle

Radius = n

Diameter	40885962
Circumference	128447037.85415
Area	1.3129201771793E+15

Sphere

Radius = n

Volume	3.5786669648792E+22
Surface area	5.2516807087174E+15
Circumference	128447037.85415

Square

Length = n

Perimeter	81771924
Area	417915472166361
Diagonal	28910740.985535

Cube

Length = n

Surface area	2507492832998166
Volume	8.5434380571029E+21
Space diagonal	35408281.750165

Equilateral Triangle

Length = n

Perimeter	61328943
Area	1.8096270776532E+14
Altitude	17704140.875083

Triangular Pyramid

Length = n

Surface area	1.8096270776532E+14
Volume	1.0068538308041E+21
Height	9636913.6618452