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

20219987 (number)

20219987 is an odd 8-digits composite number following 20219986 and preceding 20219988. In scientific notation, it is written as 2.0219987 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 18911232 positive integers (up to 20219987) that are relatively prime to 20219987.

Interesting facts

20219987 has 8 divisors, whose sum is 21543696
The reverse of 20219987 is 78991202
Previous prime number is 163

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twenty million two hundred nineteen thousand nine hundred eighty-seven

Notation

Scientific notation	2.0219987 × 10^7
Engineering notation	2.0219987 × 10^6

Prime Factorization of 20219987

Prime Factorization 17 × 163 × 7297

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20219987	Product of the distinct prime numbers

The prime factorization of 20219987 is 17 × 163 × 7297. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 59, 45, 515, 518, 8618, 3233, 52698, 99600, 390198, 162660, 9232072, 3921627, 85185132, 98630596, 710094041, 847726323, 4350013039, 4502166656

Basic calculations (n = 20219987)

Multiplication

n×y

n×2	40439974
n×3	60659961
n×4	80879948
n×5	101099935

Division

n÷y

n÷2	10109993.5
n÷3	6739995.6666667
n÷3	5054996.75
n÷5	4043997.4

Exponentiation

n^y

n²	408847874280169
n³	8.2668987029227E+21
n⁴	1.6715658430341E+29
n⁵	3.3799039615794E+36

Nth Root

^y√n

²√n	4496.6639856676
³√n	272.43336248976
⁴√n	67.057169532181
⁵√n	28.917195718315

Divisors of 20219987

1, 17, 163, 2771, 7297, 124049, 1189411, 20219987

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	-20219986	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 20219987 can be divided by 8 positive divisors. The sum of these divisors (counting 20219987) is 1, the average is 0.125.

Base conversion 20219987

Base	System	Value
2	Binary	1001101001000100001010011
3	Ternary	1102001021121102
4	Quaternary	1031020201103
5	Quinary	20134014422
6	Senary	2001215015
8	Octal	115104123
10	Decimal	20219987
12	Duodecimal	693146b
16	Hexadecimal	1348853
20	Vigesimal	6679j7
36	Base36	c1dub

Cryptographic Hash Functions

md5	e890c25fb9b8d587bc04e6a7b96f7992
sha1	8c82af72e43cdba244c4224f33c04e0827eeb092
sha256	a8d17ebb4778d4f7cac0242bd608b562001f2506382641fb659151fa6e37e313
sha512	f33f841653c6e6cefc2f0bbdef7210b51f59a9e238d44005f0c08be111af5cbb25629bae62abd579d129d04a2336e182f1f59ee3c014b23bd90d206762bd58ea
ripemd-160	e4e67b19746db80f580d3906eb45694cda1f6f44

20219987 as geometric shapes

Circle

Radius = n

Diameter	40439974
Circumference	127045925.22976
Area	1.2844334782744E+15

Sphere

Radius = n

Volume	3.4628304310764E+22
Surface area	5.1377339130975E+15
Circumference	127045925.22976

Square

Length = n

Perimeter	80879948
Area	408847874280169
Diagonal	28595379.846408

Cube

Length = n

Surface area	2453087245681014
Volume	8.2668987029227E+21
Space diagonal	35022044.812382

Equilateral Triangle

Length = n

Perimeter	60659961
Area	1.7703632270495E+14
Altitude	17511022.406191

Triangular Pyramid

Length = n

Surface area	1.7703632270495E+14
Volume	9.7426335536981E+20
Height	9531793.2821359