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

389987 (number)

389987 is an odd 6-digits composite number following 389986 and preceding 389988. In scientific notation, it is written as 3.89987 × 10^5. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 355680 positive integers (up to 389987) that are relatively prime to 389987.

Interesting facts

389987 has 8 divisors, whose sum is 425040
The reverse of 389987 is 789983
Previous prime number is 131

Basic properties

Is Prime? no
Number parity odd
Number length 6
Sum of Digits 44
Digital Root 8

Name

Name	three hundred eighty-nine thousand nine hundred eighty-seven

Notation

Scientific notation	3.89987 × 10^5
Engineering notation	3.89987 × 10^3

Prime Factorization of 389987

Prime Factorization 13 × 131 × 229

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	389987	Product of the distinct prime numbers

The prime factorization of 389987 is 13 × 131 × 229. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 1, 14, 286, 497, 480, 1736, 45883, 67935, 483162, 698350, 3389881, 7074393, 7266067, 66089475, 648336384, 56375607, 292755406, 9777126408

Basic calculations (n = 389987)

Multiplication

n×y

n×2	779974
n×3	1169961
n×4	1559948
n×5	1949935

Division

n÷y

n÷2	194993.5
n÷3	129995.66666667
n÷3	97496.75
n÷5	77997.4

Exponentiation

n^y

n²	152089860169
n³	59313068297727803
n⁴	2.3131325566226E+22
n⁵	9.0209162635958E+27

Nth Root

^y√n

²√n	624.4893914231
³√n	73.060623937877
⁴√n	24.989785741841
⁵√n	13.128346361323

Divisors of 389987

1, 13, 131, 229, 1703, 2977, 29999, 389987

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	-389986	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 389987 can be divided by 8 positive divisors. The sum of these divisors (counting 389987) is 1, the average is 0.125.

Base conversion 389987

Base	System	Value
2	Binary	1011111001101100011
3	Ternary	201210221222
4	Quaternary	1133031203
5	Quinary	44434422
6	Senary	12205255
8	Octal	1371543
10	Decimal	389987
12	Duodecimal	16982b
16	Hexadecimal	5f363
20	Vigesimal	28ej7
36	Base36	8cwz

Cryptographic Hash Functions

md5	84afe5ed00b6f19f6d0127e266e26437
sha1	c0ca64488d3bfbca7e67e83bd648d854fc24fe81
sha256	7ce70bb525f005e0bcd5b02ae9c19276f4d7be7f2bdb9f1619db6c2c79b9e108
sha512	bd6fa61a4eaea50ead05af2bf45603820d3b114f5e5a7b12eed89e4d48879d3bbea702b006ab8ffae111aaba8ab6afd2d2c3b0ef7bcdbd7e1e9e10a283e433ef
ripemd-160	be997fbe6e34d9394bae95fc49254dba8749964a

389987 as geometric shapes

Circle

Radius = n

Diameter	779974
Circumference	2450360.588391
Area	477804387392.43

Sphere

Radius = n

Volume	2.4844999950135E+17
Surface area	1911217549569.7
Circumference	2450360.588391

Square

Length = n

Perimeter	1559948
Area	152089860169
Diagonal	551524.9045492

Cube

Length = n

Surface area	912539161014
Volume	59313068297727803
Space diagonal	675477.29829136

Equilateral Triangle

Length = n

Perimeter	1169961
Area	65856841282.189
Altitude	337738.64914568

Triangular Pyramid

Length = n

Surface area	65856841282.189
Volume	6.990112134384E+15
Height	183841.63484973