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

1998985 (number)

1998985 is an odd 7-digits composite number following 1998984 and preceding 1998986. In scientific notation, it is written as 1.998985 × 10^6. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 1593600 positive integers (up to 1998985) that are relatively prime to 1998985.

Interesting facts

1998985 has 8 divisors, whose sum is 2407176
The reverse of 1998985 is 5898991
Previous prime number is 401

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 49
Digital Root 4

Name

Name	one million nine hundred ninety-eight thousand nine hundred eighty-five

Notation

Scientific notation	1.998985 × 10^6
Engineering notation	1.998985 × 10^6

Prime Factorization of 1998985

Prime Factorization 5 × 401 × 997

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1998985	Product of the distinct prime numbers

The prime factorization of 1998985 is 5 × 401 × 997. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 76, 86, 16, 119, 4056, 7966, 11680, 34687, 99040, 597409, 9867161, 7046780, 76802134, 3338093, 886071746, 409014492, 3596576969, 7448936444

Basic calculations (n = 1998985)

Multiplication

n×y

n×2	3997970
n×3	5996955
n×4	7995940
n×5	9994925

Division

n÷y

n÷2	999492.5
n÷3	666328.33333333
n÷3	499746.25
n÷5	399797

Exponentiation

n^y

n²	3995941030225
n³	7987826180304321625
n⁴	1.5967544717036E+25
n⁵	3.1918882376183E+31

Nth Root

^y√n

²√n	1413.8546601401
³√n	125.97078771848
⁴√n	37.601258757389
⁵√n	18.203793782362

Divisors of 1998985

1, 5, 401, 997, 2005, 4985, 399797, 1998985

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	-1998984	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 1998985 can be divided by 8 positive divisors. The sum of these divisors (counting 1998985) is 1, the average is 0.125.

Base conversion 1998985

Base	System	Value
2	Binary	111101000000010001001
3	Ternary	10202120002111
4	Quaternary	13220002021
5	Quinary	1002431420
6	Senary	110502321
8	Octal	7500211
10	Decimal	1998985
12	Duodecimal	8049a1
16	Hexadecimal	1e8089
20	Vigesimal	c9h95
36	Base36	16ufd

Cryptographic Hash Functions

md5	545345779bad0cfd97a4280a6ab91e71
sha1	69a9198a4f4bd7cc3d11cd3ef1dc4752bc3b3fb1
sha256	9088f6105aff88961c2632a0a5754a4b59944c9d8cd9a019d0ee5ef9522068ef
sha512	2afc586b6541d8d9a68156b8518685b40d41399231a44a912d2ec599ac10bd9500a440e49da836b3703d6d90051390c4c3a5c3679db6853905abec0f41bfa330
ripemd-160	0cd5dec1607e16b7865c4a40dd64a703ae62b5d9

1998985 as geometric shapes

Circle

Radius = n

Diameter	3997970
Circumference	12559993.181272
Area	12553618984733

Sphere

Radius = n

Volume	3.3459328061595E+19
Surface area	50214475938932
Circumference	12559993.181272

Square

Length = n

Perimeter	7995940
Area	3995941030225
Diagonal	2826991.6979804

Cube

Length = n

Surface area	23975646181350
Volume	7987826180304321625
Space diagonal	3462343.5835681

Equilateral Triangle

Length = n

Perimeter	5996955
Area	1730293222099.7
Altitude	1731171.791784

Triangular Pyramid

Length = n

Surface area	1730293222099.7
Volume	9.413743431721E+17
Height	942330.56599346