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

20187997 (number)

20187997 is an odd 8-digits composite number following 20187996 and preceding 20187998. In scientific notation, it is written as 2.0187997 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 19310236 positive integers (up to 20187997) that are relatively prime to 20187997.

Interesting facts

20187997 has 4 divisors, whose sum is 21065760
The reverse of 20187997 is 79978102
Previous prime number is 23

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	2.0187997 × 10^7
Engineering notation	2.0187997 × 10^6

Prime Factorization of 20187997

Prime Factorization 23 × 877739

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20187997	Product of the distinct prime numbers

The prime factorization of 20187997 is 23 × 877739. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 9, 69, 30, 462, 691, 2207, 7412, 55465, 82532, 720870, 476777, 3134720, 4345624, 9376299, 76799116, 468982277, 613222156, 9953148479, 2670417128

Basic calculations (n = 20187997)

Multiplication

n×y

n×2	40375994
n×3	60563991
n×4	80751988
n×5	100939985

Division

n÷y

n÷2	10093998.5
n÷3	6729332.3333333
n÷3	5046999.25
n÷5	4037599.4

Exponentiation

n^y

n²	407555222872009
n³	8.2277236166744E+21
n⁴	1.6610125969025E+29
n⁵	3.353251732323E+36

Nth Root

^y√n

²√n	4493.1054962019
³√n	272.28961456713
⁴√n	67.030631029418
⁵√n	28.908039955136

Divisors of 20187997

1, 23, 877739, 20187997

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	-20187996	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 20187997 can be divided by 4 positive divisors. The sum of these divisors (counting 20187997) is 1, the average is 0.25.

Base conversion 20187997

Base	System	Value
2	Binary	1001101000000101101011101
3	Ternary	1101222122201121
4	Quaternary	1031000231131
5	Quinary	20132003442
6	Senary	2000410541
8	Octal	115005535
10	Decimal	20187997
12	Duodecimal	6916a51
16	Hexadecimal	1340b5d
20	Vigesimal	6639jh
36	Base36	c0p5p

Cryptographic Hash Functions

md5	72e946ca01663b0f748d54abe08dfbc1
sha1	f081976daea2d5c5bd59eab6ae00e235419bcc2e
sha256	d7e6bb4cbc1abf9ec28642d768b93b9b46d77481cc22410662107c1ca0f5f451
sha512	31310f9eb08d77d15835e0079537f75391e978b46f280d6681316c7c49a979b79fbfc03ab23b73f32b9ccc280cd69f99a63259453caae68ba58bf7ba34aaf97d
ripemd-160	5fe10b939e8dd8150ae6f0669eb8b721294bf55f

20187997 as geometric shapes

Circle

Radius = n

Diameter	40375994
Circumference	126844926.13179
Area	1.2803724941069E+15

Sphere

Radius = n

Volume	3.4464208093216E+22
Surface area	5.1214899764274E+15
Circumference	126844926.13179

Square

Length = n

Perimeter	80751988
Area	407555222872009
Diagonal	28550139.154547

Cube

Length = n

Surface area	2445331337232054
Volume	8.2277236166744E+21
Space diagonal	34966636.507048

Equilateral Triangle

Length = n

Perimeter	60563991
Area	1.7647658822609E+14
Altitude	17483318.253524

Triangular Pyramid

Length = n

Surface area	1.7647658822609E+14
Volume	9.6964652717987E+20
Height	9516713.0515158