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

1997989 (number)

1997989 is an odd 7-digits composite number following 1997988 and preceding 1997990. In scientific notation, it is written as 1.997989 × 10^6. The sum of its digits is 52. It has a total of 3 prime factors and 8 positive divisors. There are 1690416 positive integers (up to 1997989) that are relatively prime to 1997989.

Interesting facts

1997989 has 8 divisors, whose sum is 2312960
The reverse of 1997989 is 9897991
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 52
Digital Root 7

Name

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

Notation

Scientific notation	1.997989 × 10^6
Engineering notation	1.997989 × 10^6

Prime Factorization of 1997989

Prime Factorization 7 × 79 × 3613

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1997989	Product of the distinct prime numbers

The prime factorization of 1997989 is 7 × 79 × 3613. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 1, 74, 17, 504, 2, 6794, 4917, 19189, 6702, 863234, 42405, 5112324, 9517101, 65680558, 93292617, 683896215, 439014999, 2448601150, 6384846370

Basic calculations (n = 1997989)

Multiplication

n×y

n×2	3995978
n×3	5993967
n×4	7991956
n×5	9989945

Division

n÷y

n÷2	998994.5
n÷3	665996.33333333
n÷3	499497.25
n÷5	399597.8

Exponentiation

n^y

n²	3991960044121
n³	7975892256593272669
n⁴	1.5935744993859E+25
n⁵	3.1839443204534E+31

Nth Root

^y√n

²√n	1413.5023876881
³√n	125.94986247418
⁴√n	37.596574148293
⁵√n	18.201979402243

Divisors of 1997989

1, 7, 79, 553, 3613, 25291, 285427, 1997989

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	-1997988	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 1997989 can be divided by 8 positive divisors. The sum of these divisors (counting 1997989) is 1, the average is 0.125.

Base conversion 1997989

Base	System	Value
2	Binary	111100111110010100101
3	Ternary	10202111201121
4	Quaternary	13213302211
5	Quinary	1002413424
6	Senary	110453541
8	Octal	7476245
10	Decimal	1997989
12	Duodecimal	8042b1
16	Hexadecimal	1e7ca5
20	Vigesimal	c9ej9
36	Base36	16tnp

Cryptographic Hash Functions

md5	ff62886d3f9d6454ce16a4d02c4c6e9d
sha1	5970dd923341d832ccf470ec1096691434b62f34
sha256	9e33477fc1efdfb416277f5cdd8191fd7bd6e921fdfecb1af447fa6d95d600e5
sha512	89969685d2d02afe3222e934704a289b234ab73f585e95360cc26e2f8da6c7d017330f08beea879be497e560c311350ea416aa159ac0b9c17c023f92d5419dcd
ripemd-160	e3ad3e965b3fa534a80cec7678d015845069bee1

1997989 as geometric shapes

Circle

Radius = n

Diameter	3995978
Circumference	12553735.128706
Area	12541112348035

Sphere

Radius = n

Volume	3.340933935885E+19
Surface area	50164449392138
Circumference	12553735.128706

Square

Length = n

Perimeter	7991956
Area	3991960044121
Diagonal	2825583.1412723

Cube

Length = n

Surface area	23951760264726
Volume	7975892256593272669
Space diagonal	3460618.4609637

Equilateral Triangle

Length = n

Perimeter	5993967
Area	1728569404550.6
Altitude	1730309.2304819

Triangular Pyramid

Length = n

Surface area	1728569404550.6
Volume	9.3996791677506E+17
Height	941861.04709075