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

20197987 (number)

20197987 is an odd 8-digits prime number following 20197986 and preceding 20197988. In scientific notation, it is written as 2.0197987 × 10^7. The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors. There are 20197986 positive integers (up to 20197987) that are relatively prime to 20197987.

Interesting facts

20197987 has 2 divisors, whose sum is 20197988
The reverse of 20197987 is 78979102
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7

Name

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

Notation

Scientific notation	2.0197987 × 10^7
Engineering notation	2.0197987 × 10^6

Prime Factorization of 20197987

Prime Factorization 20197987

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	20197987	Product of the distinct prime numbers

The prime factorization of 20197987 is 20197987. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 5, 29, 81, 371, 130, 1475, 5592, 47113, 48177, 175965, 368189, 9948429, 5914970, 16983456, 68414601, 688526034, 112340226, 2349738131, 2369441440

Basic calculations (n = 20197987)

Multiplication

n×y

n×2	40395974
n×3	60593961
n×4	80791948
n×5	100989935

Division

n÷y

n÷2	10098993.5
n÷3	6732662.3333333
n÷3	5049496.75
n÷5	4039597.4

Exponentiation

n^y

n²	407958678852169
n³	8.2399440919933E+21
n⁴	1.6643028365081E+29
n⁵	3.3615567055853E+36

Nth Root

^y√n

²√n	4494.2170619586
³√n	272.33452119625
⁴√n	67.038921992814
⁵√n	28.910900409028

Divisors of 20197987

1, 20197987

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	20197988	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	10098994	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	4494.2171732127	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999009802	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20197987 can be divided by 2 positive divisors. The sum of these divisors (counting 20197987) is 20197988, the average is 10098994.

Base conversion 20197987

Base	System	Value
2	Binary	1001101000011001001100011
3	Ternary	1102000011102121
4	Quaternary	1031003021203
5	Quinary	20132313422
6	Senary	2000525111
8	Octal	115031143
10	Decimal	20197987
12	Duodecimal	6920797
16	Hexadecimal	1343263
20	Vigesimal	664ej7
36	Base36	c0wv7

Cryptographic Hash Functions

md5	7797304f0a0ab496dbfcf71801e00e3e
sha1	0f3a2955e6e89123ed1f15c8d2c2785a5caa8fec
sha256	f16b5bae5798c83fe333d9c0e6950b3aa2b61402a6de119d770d208d8a9f0028
sha512	e73dc7cbc4bc9e3c1c5db8c5a7eb3c194c532612e1ae8c2bf498bc70cb70d202f0eeea75f76ec4a96f7b60573dc4e54a11db563cb67f7acfd498725988fa59a2
ripemd-160	f6a1808171898ed8a6e7c771d2ba61a5274e8ac2

20197987 as geometric shapes

Circle

Radius = n

Diameter	40395974
Circumference	126907695.153
Area	1.2816399884502E+15

Sphere

Radius = n

Volume	3.4515397100529E+22
Surface area	5.1265599538007E+15
Circumference	126907695.153

Square

Length = n

Perimeter	80791948
Area	407958678852169
Diagonal	28564267.148035

Cube

Length = n

Surface area	2447752073113014
Volume	8.2399440919933E+21
Space diagonal	34983939.694616

Equilateral Triangle

Length = n

Perimeter	60593961
Area	1.7665128979016E+14
Altitude	17491969.847308

Triangular Pyramid

Length = n

Surface area	1.7665128979016E+14
Volume	9.7108672400775E+20
Height	9521422.3826785