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

20189987 (number)

20189987 is an odd 8-digits composite number following 20189986 and preceding 20189988. In scientific notation, it is written as 2.0189987 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 20163096 positive integers (up to 20189987) that are relatively prime to 20189987.

Interesting facts

20189987 has 4 divisors, whose sum is 20216880
The reverse of 20189987 is 78998102
Previous prime number is 773

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	twenty million one hundred eighty-nine thousand nine hundred eighty-seven

Notation

Scientific notation	2.0189987 × 10^7
Engineering notation	2.0189987 × 10^6

Prime Factorization of 20189987

Prime Factorization 773 × 26119

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20189987	Product of the distinct prime numbers

The prime factorization of 20189987 is 773 × 26119. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 33, 47, 367, 672, 8389, 6729, 33440, 54133, 403806, 140434, 9586239, 717386, 4633309, 60666112, 915112430, 453679096, 8074255071, 1225942074

Basic calculations (n = 20189987)

Multiplication

n×y

n×2	40379974
n×3	60569961
n×4	80759948
n×5	100949935

Division

n÷y

n÷2	10094993.5
n÷3	6729995.6666667
n÷3	5047496.75
n÷5	4037997.4

Exponentiation

n^y

n²	407635575060169
n³	8.2301569612023E+21
n⁴	1.6616676205463E+29
n⁵	3.3549047657152E+36

Nth Root

^y√n

²√n	4493.3269411428
³√n	272.29856111311
⁴√n	67.032282828073
⁵√n	28.908609845565

Divisors of 20189987

1, 773, 26119, 20189987

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	-20189986	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 20189987 can be divided by 4 positive divisors. The sum of these divisors (counting 20189987) is 1, the average is 0.25.

Base conversion 20189987

Base	System	Value
2	Binary	1001101000001001100100011
3	Ternary	1101222202110022
4	Quaternary	1031001030203
5	Quinary	20132034422
6	Senary	2000424055
8	Octal	115011443
10	Decimal	20189987
12	Duodecimal	691802b
16	Hexadecimal	1341323
20	Vigesimal	663ej7
36	Base36	c0qoz

Cryptographic Hash Functions

md5	c15bac10a5c9e37b319fd8f6e194cc4b
sha1	ffea312ec6a21f50b89484044e71cf7d1dc25ab9
sha256	e93a5a298ec17a4a0100cd5275c50b606f1793a3fba169881a43fdbdcfa7ca64
sha512	70ec3736447f089cc04822c9c2a000c93ac3026add65be009c8fceff1830ef044837759c2e400480b9302e247b2afe82bc5fb5fbeb7d05d5ce8f9fbceb33e4a3
ripemd-160	2b33c406be7b8b68287e1871e5774edf6a98060a

20189987 as geometric shapes

Circle

Radius = n

Diameter	40379974
Circumference	126857429.67055
Area	1.2806249279509E+15

Sphere

Radius = n

Volume	3.4474400862939E+22
Surface area	5.1224997118035E+15
Circumference	126857429.67055

Square

Length = n

Perimeter	80759948
Area	407635575060169
Diagonal	28552953.439536

Cube

Length = n

Surface area	2445813450361014
Volume	8.2301569612023E+21
Space diagonal	34970083.288155

Equilateral Triangle

Length = n

Perimeter	60569961
Area	1.7651138174419E+14
Altitude	17485041.644078

Triangular Pyramid

Length = n

Surface area	1.7651138174419E+14
Volume	9.6993329958264E+20
Height	9517651.1465122