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

20797987 (number)

20797987 is an odd 8-digits composite number following 20797986 and preceding 20797988. In scientific notation, it is written as 2.0797987 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 16778112 positive integers (up to 20797987) that are relatively prime to 20797987.

Interesting facts

20797987 has 8 divisors, whose sum is 25167456
The reverse of 20797987 is 78979702
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4

Name

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

Notation

Scientific notation	2.0797987 × 10^7
Engineering notation	2.0797987 × 10^6

Prime Factorization of 20797987

Prime Factorization 7 × 17 × 174773

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20797987	Product of the distinct prime numbers

The prime factorization of 20797987 is 7 × 17 × 174773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 4, 32, 64, 696, 129, 2797, 6763, 88266, 66279, 223626, 299643, 5283234, 3199699, 40371401, 31643132, 790852149, 288931837, 3980553895, 6396116526

Basic calculations (n = 20797987)

Multiplication

n×y

n×2	41595974
n×3	62393961
n×4	83191948
n×5	103989935

Division

n÷y

n÷2	10398993.5
n÷3	6932662.3333333
n÷3	5199496.75
n÷5	4159597.4

Exponentiation

n^y

n²	432556263252169
n³	8.9962995398872E+21
n⁴	1.8710492087868E+29
n⁵	3.8914057120708E+36

Nth Root

^y√n

²√n	4560.4810053327
³√n	275.00490129005
⁴√n	67.531333507733
⁵√n	29.080660110787

Divisors of 20797987

1, 7, 17, 119, 174773, 1223411, 2971141, 20797987

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	-20797986	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 20797987 can be divided by 8 positive divisors. The sum of these divisors (counting 20797987) is 1, the average is 0.125.

Base conversion 20797987

Base	System	Value
2	Binary	1001111010101101000100011
3	Ternary	1110010122110211
4	Quaternary	1033111220203
5	Quinary	20311013422
6	Senary	2021434551
8	Octal	117255043
10	Decimal	20797987
12	Duodecimal	6b6ba57
16	Hexadecimal	13d5a23
20	Vigesimal	69jej7
36	Base36	cdrtv

Cryptographic Hash Functions

md5	bd4d773793bc44b555efd7249e18cc2b
sha1	3d1bbdd5efb5c06e24f6245b1ead3d8f3e2866cb
sha256	9aef7b7a46dd3874d0b4ab39f50531d018925c0645928f35a7a3892127e308c1
sha512	bb7c07e7ca36ff82e8005af8f4585727b650505338233d987d6f5871b76bc604ee38969a81be94ab42623e6576929a3a3804c675e539c55741264f86f214334b
ripemd-160	820da58547523a0d91354664a852edac6ef059e6

20797987 as geometric shapes

Circle

Radius = n

Diameter	41595974
Circumference	130677606.33731
Area	1.3589155788973E+15

Sphere

Radius = n

Volume	3.7683611392004E+22
Surface area	5.4356623155891E+15
Circumference	130677606.33731

Square

Length = n

Perimeter	83191948
Area	432556263252169
Diagonal	29412795.285459

Cube

Length = n

Surface area	2595337579513014
Volume	8.9962995398872E+21
Space diagonal	36023170.179157

Equilateral Triangle

Length = n

Perimeter	62393961
Area	1.8730235627122E+14
Altitude	18011585.089579

Triangular Pyramid

Length = n

Surface area	1.8730235627122E+14
Volume	1.0602240683733E+21
Height	9804265.0951531