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

20019987 (number)

20019987 is an odd 8-digits composite number following 20019986 and preceding 20019988. In scientific notation, it is written as 2.0019987 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 12319776 positive integers (up to 20019987) that are relatively prime to 20019987.

Interesting facts

20019987 has 8 divisors, whose sum is 22358896
The reverse of 20019987 is 78991002
Previous prime number is 13

Basic properties

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

Name

Name	twenty million nineteen thousand nine hundred eighty-seven

Notation

Scientific notation	2.0019987 × 10^7
Engineering notation	2.0019987 × 10^6

Prime Factorization of 20019987

Prime Factorization 27 × 13 × 57037

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20019987	Product of the distinct prime numbers

The prime factorization of 20019987 is 27 × 13 × 57037. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 27, 71, 619, 647, 4389, 1207, 38744, 46047, 965404, 95773, 8678996, 6501420, 10835087, 36166131, 833680377, 52801867, 2681836080, 6066776335

Basic calculations (n = 20019987)

Multiplication

n×y

n×2	40039974
n×3	60059961
n×4	80079948
n×5	100099935

Division

n÷y

n÷2	10009993.5
n÷3	6673329
n÷3	5004996.75
n÷5	4003997.4

Exponentiation

n^y

n²	400799879480169
n³	8.0240083767945E+21
n⁴	1.6064054339132E+29
n⁵	3.2160215903671E+36

Nth Root

^y√n

²√n	4474.3700115212
³√n	271.53215333004
⁴√n	66.890731880591
⁵√n	28.859762862809

Divisors of 20019987

1, 13, 27, 351, 57037, 741481, 1539999, 20019987

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	-20019986	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 20019987 can be divided by 8 positive divisors. The sum of these divisors (counting 20019987) is 1, the average is 0.125.

Base conversion 20019987

Base	System	Value
2	Binary	1001100010111101100010011
3	Ternary	1101200010021000
4	Quaternary	1030113230103
5	Quinary	20111114422
6	Senary	1553033043
8	Octal	114275423
10	Decimal	20019987
12	Duodecimal	6855783
16	Hexadecimal	1317b13
20	Vigesimal	6529j7
36	Base36	bx3ir

Cryptographic Hash Functions

md5	2ffe21e2caaefd471f86e599bc252af5
sha1	11e46e697381e71b7a776875773d419f8bab07c1
sha256	9ff398ed0b8790158cc8e853e6fb56c39bbfb961fcd488b072a8f3c0e07a79e3
sha512	a0e2028d0cd06e565e93cc1a2a59be1ef7224b9fe9818995a7ebabb46d557da2197d5422c3ce049a990a696bac43ecb43b4de7eb3c890efe9bd201eab09a788a
ripemd-160	dc9c05bee3a0d8e2756157f8471b768c38ad1301

20019987 as geometric shapes

Circle

Radius = n

Diameter	40039974
Circumference	125789288.16833
Area	1.2591499569346E+15

Sphere

Radius = n

Volume	3.3610887691841E+22
Surface area	5.0365998277383E+15
Circumference	125789288.16833

Square

Length = n

Perimeter	80079948
Area	400799879480169
Diagonal	28312537.133933

Cube

Length = n

Surface area	2404799276881014
Volume	8.0240083767945E+21
Space diagonal	34675634.650868

Equilateral Triangle

Length = n

Perimeter	60059961
Area	1.7355143873178E+14
Altitude	17337817.325434

Triangular Pyramid

Length = n

Surface area	1.7355143873178E+14
Volume	9.4563845592151E+20
Height	9437512.3779777