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

1998891 (number)

1998891 is an odd 7-digits composite number following 1998890 and preceding 1998892. In scientific notation, it is written as 1.998891 × 10^6. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 1317600 positive integers (up to 1998891) that are relatively prime to 1998891.

Interesting facts

1998891 has 8 divisors, whose sum is 2671760
The reverse of 1998891 is 1988991
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 45
Digital Root 9

Name

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

Notation

Scientific notation	1.998891 × 10^6
Engineering notation	1.998891 × 10^6

Prime Factorization of 1998891

Prime Factorization 909 × 3 × 733

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1998891	Product of the distinct prime numbers

The prime factorization of 1998891 is 909 × 3 × 733. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 95, 53, 384, 179, 3100, 5132, 97245, 5803, 251619, 19930, 4701593, 6512610, 881333, 53833273, 713667502, 831548899, 5622357689, 2985985354

Basic calculations (n = 1998891)

Multiplication

n×y

n×2	3997782
n×3	5996673
n×4	7995564
n×5	9994455

Division

n÷y

n÷2	999445.5
n÷3	666297
n÷3	499722.75
n÷5	399778.2

Exponentiation

n^y

n²	3995565229881
n³	7986699377922061971
n⁴	1.5964541506234E+25
n⁵	3.1911378335938E+31

Nth Root

^y√n

²√n	1413.8214172943
³√n	125.96881314311
⁴√n	37.600816710469
⁵√n	18.203622576595

Divisors of 1998891

1, 3, 733, 909, 2199, 2727, 666297, 1998891

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	-1998890	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 1998891 can be divided by 8 positive divisors. The sum of these divisors (counting 1998891) is 1, the average is 0.125.

Base conversion 1998891

Base	System	Value
2	Binary	111101000000000101011
3	Ternary	10202112222000
4	Quaternary	13220000223
5	Quinary	1002431031
6	Senary	110502043
8	Octal	7500053
10	Decimal	1998891
12	Duodecimal	804923
16	Hexadecimal	1e802b
20	Vigesimal	c9h4b
36	Base36	16ucr

Cryptographic Hash Functions

md5	36ffad3aee5792fa6466594649a2a51c
sha1	88f47326f43f52d6417d85819d91ff6e192e8070
sha256	ce6ea13ed8aec3f8ed118559687b8c5390c13acb16df08100e01b597c7175fc1
sha512	8818ac41e3b89ca461a9c55589f70c6b15b8a8e9f4918a407a9d59d340b26f45b38dc92a9c18fac22e5925bc1b30b61c7b574d57ac2e7fdf8d36cccd49817135
ripemd-160	31e60975554103dab63d8f649de3b14182e97ac5

1998891 as geometric shapes

Circle

Radius = n

Diameter	3997782
Circumference	12559402.561854
Area	12552438373133

Sphere

Radius = n

Volume	3.3454608122813E+19
Surface area	50209753492532
Circumference	12559402.561854

Square

Length = n

Perimeter	7995564
Area	3995565229881
Diagonal	2826858.7619055

Cube

Length = n

Surface area	23973391379286
Volume	7986699377922061971
Space diagonal	3462180.7707922

Equilateral Triangle

Length = n

Perimeter	5996673
Area	1730130495777.4
Altitude	1731090.3853961

Triangular Pyramid

Length = n

Surface area	1730130495777.4
Volume	9.4124154823785E+17
Height	942286.25396851