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

199987 (number)

199987 is an odd 6-digits composite number following 199986 and preceding 199988. In scientific notation, it is written as 1.99987 × 10^5. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 198880 positive integers (up to 199987) that are relatively prime to 199987.

Interesting facts

199987 has 4 divisors, whose sum is 201096
The reverse of 199987 is 789991
Previous prime number is 227

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	1.99987 × 10^5
Engineering notation	1.99987 × 10^3

Prime Factorization of 199987

Prime Factorization 227 × 881

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	199987	Product of the distinct prime numbers

The prime factorization of 199987 is 227 × 881. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 6, 57, 37, 245, 523, 3216, 9418, 18305, 75563, 232724, 685977, 3587049, 5066669, 16010045, 75624233, 589537632, 214106934, 1220249059, 7255039408

Basic calculations (n = 199987)

Multiplication

n×y

n×2	399974
n×3	599961
n×4	799948
n×5	999935

Division

n÷y

n÷2	99993.5
n÷3	66662.333333333
n÷3	49996.75
n÷5	39997.4

Exponentiation

n^y

n²	39994800169
n³	7998440101397803
n⁴	1.5995840405582E+21
n⁵	3.1989601351912E+26

Nth Root

^y√n

²√n	447.19906082191
³√n	58.47908766245
⁴√n	21.147081614774
⁵√n	11.486834215301

Divisors of 199987

1, 227, 881, 199987

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	-199986	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 199987 can be divided by 4 positive divisors. The sum of these divisors (counting 199987) is 1, the average is 0.25.

Base conversion 199987

Base	System	Value
2	Binary	110000110100110011
3	Ternary	101011022221
4	Quaternary	300310303
5	Quinary	22344422
6	Senary	4141511
8	Octal	606463
10	Decimal	199987
12	Duodecimal	97897
16	Hexadecimal	30d33
20	Vigesimal	14jj7
36	Base36	4ab7

Cryptographic Hash Functions

md5	f6beb88a93bf7769bf6c2130b2d3e335
sha1	6ce185a1b97560d350329341b5b3a66287eda5eb
sha256	d215a4b92c23d8a64e9c198f66610234caf127310a0eba296469859a5b23e2d8
sha512	4c0f5ea2963ef0b48cdc3efd2f5d7c22cf64b58c163a94ffc406d10dfbe8d4b9c6fe628d4ada0de671bfe9097118e646c8a16a35d7682e0dccb244d8cf267502
ripemd-160	35237660a5bd12f2afc67955565b66ecd470e294

199987 as geometric shapes

Circle

Radius = n

Diameter	399974
Circumference	1256555.3800269
Area	125647370392.72

Sphere

Radius = n

Volume	3.3503787550306E+16
Surface area	502589481570.89
Circumference	1256555.3800269

Square

Length = n

Perimeter	799948
Area	39994800169
Diagonal	282824.32769831

Cube

Length = n

Surface area	239968801014
Volume	7998440101397803
Space diagonal	346387.64485328

Equilateral Triangle

Length = n

Perimeter	599961
Area	17318256482.818
Altitude	173193.82242664

Triangular Pyramid

Length = n

Surface area	17318256482.818
Volume	9.426252057688E+14
Height	94274.775899436