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

20442987 (number)

20442987 is an odd 8-digits composite number following 20442986 and preceding 20442988. In scientific notation, it is written as 2.0442987 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 13628652 positive integers (up to 20442987) that are relatively prime to 20442987.

Interesting facts

20442987 has 4 divisors, whose sum is 22714440
The reverse of 20442987 is 78924402
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	2.0442987 × 10^7
Engineering notation	2.0442987 × 10^6

Prime Factorization of 20442987

Prime Factorization 9 × 2271443

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20442987	Product of the distinct prime numbers

The prime factorization of 20442987 is 9 × 2271443. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 64, 19, 893, 907, 4946, 6923, 96177, 43105, 368502, 388265, 9164190, 4434006, 91603428, 29659445, 501564870, 858678115, 1615427972, 4850930335

Basic calculations (n = 20442987)

Multiplication

n×y

n×2	40885974
n×3	61328961
n×4	81771948
n×5	102214935

Division

n÷y

n÷2	10221493.5
n÷3	6814329
n÷3	5110746.75
n÷5	4088597.4

Exponentiation

n^y

n²	417915717482169
n³	8.5434455795837E+21
n⁴	1.7465354691864E+29
n⁵	3.5704401891616E+36

Nth Root

^y√n

²√n	4521.3921528662
³√n	273.43123087885
⁴√n	67.241297971308
⁵√n	28.980699951901

Divisors of 20442987

1, 9, 2271443, 20442987

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-20442986	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20442987 can be divided by 4 positive divisors. The sum of these divisors (counting 20442987) is 1, the average is 0.25.

Base conversion 20442987

Base	System	Value
2	Binary	1001101111110111101101011
3	Ternary	1102110121111200
4	Quaternary	1031332331223
5	Quinary	20213133422
6	Senary	2010055243
8	Octal	115767553
10	Decimal	20442987
12	Duodecimal	6a1a523
16	Hexadecimal	137ef6b
20	Vigesimal	67f797
36	Base36	c65wr

Cryptographic Hash Functions

md5	669896495c76fbef0e8afd8987b16f17
sha1	a29cca238adeef78fd89efc8336f9f631704a77c
sha256	e9dfb53c9f70fbef041442939f0e7c8fe93e4d22a764f0a61d0d909e6b5e1cdb
sha512	70c0e03d34dcf5acf1e47cfc1e08bc253c7fae4cd3a312bb53d6e4b6b3a5ddc90e301a60625daf09c6d2d268e716a6eb7fa726a3a7d5c37cc6d818f4b4b966af
ripemd-160	47e8d5ec4d614fff7179a6e3682f63b4c63297e4

20442987 as geometric shapes

Circle

Radius = n

Diameter	40885974
Circumference	128447075.55326
Area	1.3129209478617E+15

Sphere

Radius = n

Volume	3.5786701158886E+22
Surface area	5.2516837914468E+15
Circumference	128447075.55326

Square

Length = n

Perimeter	81771948
Area	417915717482169
Diagonal	28910749.470817

Cube

Length = n

Surface area	2507494304893014
Volume	8.5434455795837E+21
Space diagonal	35408292.14247

Equilateral Triangle

Length = n

Perimeter	61328961
Area	1.8096281399018E+14
Altitude	17704146.071235

Triangular Pyramid

Length = n

Surface area	1.8096281399018E+14
Volume	1.006854717337E+21
Height	9636916.4902723