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

189905 (number)

189905 is an odd 6-digits composite number following 189904 and preceding 189906. In scientific notation, it is written as 1.89905 × 10^5. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 143856 positive integers (up to 189905) that are relatively prime to 189905.

Interesting facts

189905 has 8 divisors, whose sum is 240000
The reverse of 189905 is 509981
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 32
Digital Root 5

Name

Name	one hundred eighty-nine thousand nine hundred five

Notation

Scientific notation	1.89905 × 10^5
Engineering notation	1.89905 × 10^3

Prime Factorization of 189905

Prime Factorization 5 × 19 × 1999

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	189905	Product of the distinct prime numbers

The prime factorization of 189905 is 5 × 19 × 1999. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 9, 80, 81, 388, 231, 3189, 22, 19255, 54216, 370646, 481259, 2288687, 394353, 27145818, 17750072, 281224892, 834330996, 960880589, 502878176

Basic calculations (n = 189905)

Multiplication

n×y

n×2	379810
n×3	569715
n×4	759620
n×5	949525

Division

n÷y

n÷2	94952.5
n÷3	63301.666666667
n÷3	47476.25
n÷5	37981

Exponentiation

n^y

n²	36063909025
n³	6848716643392625
n⁴	1.3006055341635E+21
n⁵	2.4699149396531E+26

Nth Root

^y√n

²√n	435.78090825551
³√n	57.479387696957
⁴√n	20.875366062791
⁵√n	11.368607686149

Divisors of 189905

1, 5, 19, 95, 1999, 9995, 37981, 189905

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	-189904	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 189905 can be divided by 8 positive divisors. The sum of these divisors (counting 189905) is 1, the average is 0.125.

Base conversion 189905

Base	System	Value
2	Binary	101110010111010001
3	Ternary	100122111112
4	Quaternary	232113101
5	Quinary	22034110
6	Senary	4023105
8	Octal	562721
10	Decimal	189905
12	Duodecimal	91a95
16	Hexadecimal	2e5d1
20	Vigesimal	13ef5
36	Base36	42j5

Cryptographic Hash Functions

md5	cabbefb690926e1725695e10f51cfde5
sha1	518400fb0243fe833d41524ad256f668525b014a
sha256	869cb2f3fa29f7ceab0308fcfffe6928be88f5eb75ba63a5f1e8d1fe087b2eda
sha512	ce0e70f390a417bdf34d95406afbdf58f551fa0d2e9c9d65ce66e66ef80e39b3543cbb1d7a0735adaacd87f1e77db3bedb68d1dac3820105f1d82a0c64abe378
ripemd-160	c083e42d163e899ae34405897c3200b62e411286

189905 as geometric shapes

Circle

Radius = n

Diameter	379810
Circumference	1193208.3057599
Area	113298111652.67

Sphere

Radius = n

Volume	2.8687837191201E+16
Surface area	453192446610.68
Circumference	1193208.3057599

Square

Length = n

Perimeter	759620
Area	36063909025
Diagonal	268566.22656246

Cube

Length = n

Surface area	216383454150
Volume	6848716643392625
Space diagonal	328925.10861137

Equilateral Triangle

Length = n

Perimeter	569715
Area	15616130687.71
Altitude	164462.55430568

Triangular Pyramid

Length = n

Surface area	15616130687.71
Volume	8.0712899682802E+14
Height	89522.075520821