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

20001989 (number)

20001989 is an odd 8-digits composite number following 20001988 and preceding 20001990. In scientific notation, it is written as 2.0001989 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 17144556 positive integers (up to 20001989) that are relatively prime to 20001989.

Interesting facts

20001989 has 4 divisors, whose sum is 22859424
The reverse of 20001989 is 98910002
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty million one thousand nine hundred eighty-nine

Notation

Scientific notation	2.0001989 × 10^7
Engineering notation	2.0001989 × 10^6

Prime Factorization of 20001989

Prime Factorization 7 × 2857427

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20001989	Product of the distinct prime numbers

The prime factorization of 20001989 is 7 × 2857427. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 96, 96, 633, 852, 6258, 5262, 83871, 32067, 22707, 839899, 9162728, 3418429, 75473460, 11405955, 255291293, 697194502, 6649847352, 4695989025

Basic calculations (n = 20001989)

Multiplication

n×y

n×2	40003978
n×3	60005967
n×4	80007956
n×5	100009945

Division

n÷y

n÷2	10000994.5
n÷3	6667329.6666667
n÷3	5000497.25
n÷5	4000397.8

Exponentiation

n^y

n²	400079563956121
n³	8.0023870373751E+21
n⁴	1.6006365749532E+29
n⁵	3.2015915165212E+36

Nth Root

^y√n

²√n	4472.3583264314
³√n	271.45075965561
⁴√n	66.875693091222
⁵√n	28.854572001338

Divisors of 20001989

1, 7, 2857427, 20001989

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	-20001988	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 20001989 can be divided by 4 positive divisors. The sum of these divisors (counting 20001989) is 1, the average is 0.25.

Base conversion 20001989

Base	System	Value
2	Binary	1001100010011010011000101
3	Ternary	1101122012120102
4	Quaternary	1030103103011
5	Quinary	20110030424
6	Senary	1552413445
8	Octal	114232305
10	Decimal	20001989
12	Duodecimal	6847285
16	Hexadecimal	13134c5
20	Vigesimal	6504j9
36	Base36	bwpmt

Cryptographic Hash Functions

md5	a93d97b31f30932aba45205f79779392
sha1	80440835cbd1a777c87d41fb7c73d536ac224c70
sha256	054e2548d0761daa821a6e1bdf7103712da79abd4616d7293bd3bf4abe8a876d
sha512	1888b24cd05d30174c6ce0c3b23d46a57a21861c6ad33f8edb58c25bf525a8b208275e45a5abcb4a63aa67ffb97d12328936556f69152cd41d11534fb736a9a5
ripemd-160	3f1cb7be2c5aa0e984c475b073f91e6fb4189389

20001989 as geometric shapes

Circle

Radius = n

Diameter	40003978
Circumference	125676203.39917
Area	1.256887018976E+15

Sphere

Radius = n

Volume	3.3520320437067E+22
Surface area	5.0275480759038E+15
Circumference	125676203.39917

Square

Length = n

Perimeter	80007956
Area	400079563956121
Diagonal	28287084.118237

Cube

Length = n

Surface area	2400477383736726
Volume	8.0023870373751E+21
Space diagonal	34644461.200434

Equilateral Triangle

Length = n

Perimeter	60005967
Area	1.732395329605E+14
Altitude	17322230.600217

Triangular Pyramid

Length = n

Surface area	1.732395329605E+14
Volume	9.4309035663455E+20
Height	9429028.0394125