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

189987 (number)

189987 is an odd 6-digits composite number following 189986 and preceding 189988. In scientific notation, it is written as 1.89987 × 10^5. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 106272 positive integers (up to 189987) that are relatively prime to 189987.

Interesting facts

189987 has 16 divisors, whose sum is 295680
The reverse of 189987 is 789981
Previous prime number is 109

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 42
Digital Root 6

Name

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

Notation

Scientific notation	1.89987 × 10^5
Engineering notation	1.89987 × 10^3

Prime Factorization of 189987

Prime Factorization 7 × 3 × 109 × 83

Composite number

ω	Distinct Factors	4	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	189987	Product of the distinct prime numbers

The prime factorization of 189987 is 7 × 3 × 109 × 83. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 3, 70, 6, 538, 35, 4352, 851, 3586, 9387, 93356, 215529, 4873451, 4555861, 96009043, 66234298, 266388288, 779030146, 2025025156, 6904182055

Basic calculations (n = 189987)

Multiplication

n×y

n×2	379974
n×3	569961
n×4	759948
n×5	949935

Division

n÷y

n÷2	94993.5
n÷3	63329
n÷3	47496.75
n÷5	37997.4

Exponentiation

n^y

n²	36095060169
n³	6857592196327803
n⁴	1.3028533686037E+21
n⁵	2.4752520294092E+26

Nth Root

^y√n

²√n	435.87498207628
³√n	57.487659607578
⁴√n	20.877619166856
⁵√n	11.36958929786

Divisors of 189987

1, 3, 7, 21, 83, 109, 249, 327, 581, 763, 1743, 2289, 9047, 27141, 63329, 189987

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	-189986	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 189987 can be divided by 16 positive divisors. The sum of these divisors (counting 189987) is 1, the average is 0.0625.

Base conversion 189987

Base	System	Value
2	Binary	101110011000100011
3	Ternary	100122121120
4	Quaternary	232120203
5	Quinary	22034422
6	Senary	4023323
8	Octal	563043
10	Decimal	189987
12	Duodecimal	91b43
16	Hexadecimal	2e623
20	Vigesimal	13ej7
36	Base36	42lf

Cryptographic Hash Functions

md5	6e556eb3895819fc463ce9ffc55371be
sha1	d675c4e6d4933aa044fffae347c7e221178171a4
sha256	59471aba662cf7cad884d6c55b5b4c88780b48068bc912ba8da4145b08fd729c
sha512	979c2c1dc08702045946048f07e9493959141e095926d9cdc9883b94bfc6b9f745c93fa69d46ae1300a64b2e8d14bd12b3e76021c7b6b0784ea80fc9bf3bf8a9
ripemd-160	4d32948a59906ac355825e4cef1736c9047f6cc1

189987 as geometric shapes

Circle

Radius = n

Diameter	379974
Circumference	1193723.5269551
Area	113395975857.81

Sphere

Radius = n

Volume	2.8725015020397E+16
Surface area	453583903431.25
Circumference	1193723.5269551

Square

Length = n

Perimeter	759948
Area	36095060169
Diagonal	268682.19207458

Cube

Length = n

Surface area	216570361014
Volume	6857592196327803
Space diagonal	329067.13677759

Equilateral Triangle

Length = n

Perimeter	569961
Area	15629619528.741
Altitude	164533.56838879

Triangular Pyramid

Length = n

Surface area	15629619528.741
Volume	8.0817499077256E+14
Height	89560.730691526