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

1998721 (number)

1998721 is an odd 7-digits composite number following 1998720 and preceding 1998722. In scientific notation, it is written as 1.998721 × 10^6. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 1970500 positive integers (up to 1998721) that are relatively prime to 1998721.

Interesting facts

1998721 has 4 divisors, whose sum is 2026944
The reverse of 1998721 is 1278991
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 37
Digital Root 1

Name

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

Notation

Scientific notation	1.998721 × 10^6
Engineering notation	1.998721 × 10^6

Prime Factorization of 1998721

Prime Factorization 71 × 28151

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	1998721	Product of the distinct prime numbers

The prime factorization of 1998721 is 71 × 28151. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 5, 10, 99, 686, 87, 5110, 3567, 36831, 28322, 853554, 897239, 9854830, 5007748, 83033339, 70811117, 339633879, 942100569, 4098093136, 249851148

Basic calculations (n = 1998721)

Multiplication

n×y

n×2	3997442
n×3	5996163
n×4	7994884
n×5	9993605

Division

n÷y

n÷2	999360.5
n÷3	666240.33333333
n÷3	499680.25
n÷5	399744.2

Exponentiation

n^y

n²	3994885635841
n³	7984661812953759361
n⁴	1.5959111243449E+25
n⁵	3.1897810783617E+31

Nth Root

^y√n

²√n	1413.7612952688
³√n	125.96524194532
⁴√n	37.600017224315
⁵√n	18.203312932786

Divisors of 1998721

1, 71, 28151, 1998721

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	-1998720	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 1998721 can be divided by 4 positive divisors. The sum of these divisors (counting 1998721) is 1, the average is 0.25.

Base conversion 1998721

Base	System	Value
2	Binary	111100111111110000001
3	Ternary	10202112201201
4	Quaternary	13213332001
5	Quinary	1002424341
6	Senary	110501201
8	Octal	7477601
10	Decimal	1998721
12	Duodecimal	804801
16	Hexadecimal	1e7f81
20	Vigesimal	c9gg1
36	Base36	16u81

Cryptographic Hash Functions

md5	e10e1483be895b3c0616e2151f2bdad5
sha1	b487ffb2a4f42505fe20d608e79c7d006da8df57
sha256	5dc8575d576c65143ed67005a540aefd27f4d2c1b1fb34843b5f071115f7493e
sha512	463a9997b60783ae4fd6e965ad9c1eed0ef10df6a34e88148471b705d43e6aff14e0399a10be43c6d77fd81aafd08b93bd97fa9268b58b3bcde377df192e06da
ripemd-160	9b8ebbfda171f6a5d380a2393e573fce6878962c

1998721 as geometric shapes

Circle

Radius = n

Diameter	3997442
Circumference	12558334.420351
Area	12550303365489

Sphere

Radius = n

Volume	3.3446073190633E+19
Surface area	50201213461958
Circumference	12558334.420351

Square

Length = n

Perimeter	7994884
Area	3994885635841
Diagonal	2826618.3455999

Cube

Length = n

Surface area	23969313815046
Volume	7984661812953759361
Space diagonal	3461886.3221549

Equilateral Triangle

Length = n

Perimeter	5996163
Area	1729836222925.9
Altitude	1730943.1610774

Triangular Pyramid

Length = n

Surface area	1729836222925.9
Volume	9.4100141890348E+17
Height	942206.11519997