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

20681665 (number)

20681665 is an odd 8-digits composite number following 20681664 and preceding 20681666. In scientific notation, it is written as 2.0681665 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 16545328 positive integers (up to 20681665) that are relatively prime to 20681665.

Interesting facts

20681665 has 4 divisors, whose sum is 24818004
The reverse of 20681665 is 56618602
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty million six hundred eighty-one thousand six hundred sixty-five

Notation

Scientific notation	2.0681665 × 10^7
Engineering notation	2.0681665 × 10^6

Prime Factorization of 20681665

Prime Factorization 5 × 4136333

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	20681665	Product of the distinct prime numbers

The prime factorization of 20681665 is 5 × 4136333. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 98, 50, 436, 51, 4652, 756, 94262, 30799, 968858, 578955, 1297181, 4136333, 49644685, 69853343, 27418714, 985579815, 2143224097, 3014618355

Basic calculations (n = 20681665)

Multiplication

n×y

n×2	41363330
n×3	62044995
n×4	82726660
n×5	103408325

Division

n÷y

n÷2	10340832.5
n÷3	6893888.3333333
n÷3	5170416.25
n÷5	4136333

Exponentiation

n^y

n²	427731267172225
n³	8.8461947776815E+21
n⁴	1.8295403691676E+29
n⁵	3.78379410191E+36

Nth Root

^y√n

²√n	4547.7098632169
³√n	274.49124670856
⁴√n	67.436710056296
⁵√n	29.048057784523

Divisors of 20681665

1, 5, 4136333, 20681665

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	-20681664	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 20681665 can be divided by 4 positive divisors. The sum of these divisors (counting 20681665) is 1, the average is 0.25.

Base conversion 20681665

Base	System	Value
2	Binary	1001110111001001111000001
3	Ternary	1102220201220121
4	Quaternary	1032321033001
5	Quinary	20243303130
6	Senary	2015140241
8	Octal	116711701
10	Decimal	20681665
12	Duodecimal	6b14681
16	Hexadecimal	13b93c1
20	Vigesimal	695435
36	Base36	cba2p

Cryptographic Hash Functions

md5	95e03d1f3e0d71d1ed4f0f24ca715b68
sha1	31fac1e729d8edaf6cd8220e041d17d0aa281f5b
sha256	e803f191dcdd65a7add9a9ebaf3cee9a9ed7f7dc13f977fb6d89890e32b41d02
sha512	e98088fd9ee43d353c323409f070483e77a6dae09cb04a591204820a4be7caba76b20175a79a3c0f576e0e15d49959c2a0794371512dd9ebadd6dfbd8b2b53fc
ripemd-160	1e7d20a3f372ef4b0f7ff3c3f4c0cae7d69319c4

20681665 as geometric shapes

Circle

Radius = n

Diameter	41363330
Circumference	129946733.65601
Area	1.3437574066589E+15

Sphere

Radius = n

Volume	3.7054854034385E+22
Surface area	5.3750296266357E+15
Circumference	129946733.65601

Square

Length = n

Perimeter	82726660
Area	427731267172225
Diagonal	29248291.135457

Cube

Length = n

Surface area	2566387603033350
Volume	8.8461947776815E+21
Space diagonal	35821694.565119

Equilateral Triangle

Length = n

Perimeter	62044995
Area	1.8521307168203E+14
Altitude	17910847.282559

Triangular Pyramid

Length = n

Surface area	1.8521307168203E+14
Volume	1.0425340524993E+21
Height	9749430.3784857