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

20195987 (number)

20195987 is an odd 8-digits composite number following 20195986 and preceding 20195988. In scientific notation, it is written as 2.0195987 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 17256960 positive integers (up to 20195987) that are relatively prime to 20195987.

Interesting facts

20195987 has 8 divisors, whose sum is 20672400
The reverse of 20195987 is 78959102
Previous prime number is 643

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	2.0195987 × 10^7
Engineering notation	2.0195987 × 10^6

Prime Factorization of 20195987

Prime Factorization 49 × 643 × 641

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20195987	Product of the distinct prime numbers

The prime factorization of 20195987 is 49 × 643 × 641. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 1, 28, 31, 83, 961, 5798, 8099, 20839, 15741, 889426, 903321, 3779810, 8565024, 34310450, 23401694, 474809135, 667461192, 4016200759, 7329590813

Basic calculations (n = 20195987)

Multiplication

n×y

n×2	40391974
n×3	60587961
n×4	80783948
n×5	100979935

Division

n÷y

n÷2	10097993.5
n÷3	6731995.6666667
n÷3	5048996.75
n÷5	4039197.4

Exponentiation

n^y

n²	407877890904169
n³	8.237496582288E+21
n⁴	1.6636437388843E+29
n⁵	3.3598927323139E+36

Nth Root

^y√n

²√n	4493.9945482833
³√n	272.32553206578
⁴√n	67.037262386551
⁵√n	28.910327836215

Divisors of 20195987

1, 49, 641, 643, 31409, 31507, 412163, 20195987

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	-20195986	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 20195987 can be divided by 8 positive divisors. The sum of these divisors (counting 20195987) is 1, the average is 0.125.

Base conversion 20195987

Base	System	Value
2	Binary	1001101000010101010010011
3	Ternary	1102000001200112
4	Quaternary	1031002222103
5	Quinary	20132232422
6	Senary	2000511535
8	Octal	115025223
10	Decimal	20195987
12	Duodecimal	691b5ab
16	Hexadecimal	1342a93
20	Vigesimal	6649j7
36	Base36	c0vbn

Cryptographic Hash Functions

md5	e685e0b834d67207869574663fd657d5
sha1	72ca827da1cc9ff8593863d8a6a3d88462dabe78
sha256	fc525481089ae373475669b1cae5320b58e7a1f1bfb3be053ceef4863c73db47
sha512	dddaae3f503d1a306f75f90ff5c21069844e63074a5425045ee0bb6de66d2b6fdf9e47cb2c7e2605a33bf013ee3d33b5dea20f791417992eb59d505d40e94f44
ripemd-160	c279be348351e6049dbacf0649c335f21f3913c4

20195987 as geometric shapes

Circle

Radius = n

Diameter	40391974
Circumference	126895128.78239
Area	1.2813861856262E+15

Sphere

Radius = n

Volume	3.4505144995849E+22
Surface area	5.1255447425049E+15
Circumference	126895128.78239

Square

Length = n

Perimeter	80783948
Area	407877890904169
Diagonal	28561438.720911

Cube

Length = n

Surface area	2447267345425014
Volume	8.237496582288E+21
Space diagonal	34980475.593001

Equilateral Triangle

Length = n

Perimeter	60587961
Area	1.7661630758251E+14
Altitude	17490237.7965

Triangular Pyramid

Length = n

Surface area	1.7661630758251E+14
Volume	9.7079828222281E+20
Height	9520479.5736369