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

20688081 (number)

20688081 is an odd 8-digits composite number following 20688080 and preceding 20688082. In scientific notation, it is written as 2.0688081 × 10^7. The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors. There are 13781232 positive integers (up to 20688081) that are relatively prime to 20688081.

Interesting facts

20688081 has 8 divisors, whose sum is 27605760
The reverse of 20688081 is 18088602
Previous prime number is 2053

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	twenty million six hundred eighty-eight thousand eighty-one

Notation

Scientific notation	2.0688081 × 10^7
Engineering notation	2.0688081 × 10^6

Prime Factorization of 20688081

Prime Factorization 3 × 2053 × 3359

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20688081	Product of the distinct prime numbers

The prime factorization of 20688081 is 3 × 2053 × 3359. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 4, 44, 15, 730, 16, 5609, 9122, 306, 3734, 374982, 449413, 4519728, 6525667, 523916, 96857220, 898998230, 494272449, 7072880972, 2147672348

Basic calculations (n = 20688081)

Multiplication

n×y

n×2	41376162
n×3	62064243
n×4	82752324
n×5	103440405

Division

n÷y

n÷2	10344040.5
n÷3	6896027
n÷3	5172020.25
n÷5	4137616.2

Exponentiation

n^y

n²	427996695462561
n³	8.8544303034618E+21
n⁴	1.8318117132687E+29
n⁵	3.7896669100852E+36

Nth Root

^y√n

²√n	4548.4152185129
³√n	274.51962859098
⁴√n	67.441939611142
⁵√n	29.049859856223

Divisors of 20688081

1, 3, 2053, 3359, 6159, 10077, 6896027, 20688081

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	-20688080	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 20688081 can be divided by 8 positive divisors. The sum of these divisors (counting 20688081) is 1, the average is 0.125.

Base conversion 20688081

Base	System	Value
2	Binary	1001110111010110011010001
3	Ternary	1102221001201020
4	Quaternary	1032322303101
5	Quinary	20244004311
6	Senary	2015230053
8	Octal	116726321
10	Decimal	20688081
12	Duodecimal	6b18329
16	Hexadecimal	13bacd1
20	Vigesimal	696041
36	Base36	cbf0x

Cryptographic Hash Functions

md5	8e72cfad88ef5bf1332db1f4868202a9
sha1	3a943d450c2af29bfa42646d95604ce5decf5401
sha256	155673b583b9051a3afba6a76c2887f24d429db8a706651ce985398d973989a4
sha512	c280b1217b234f11d5992f59d74c2f3e900b051d1f35c8c02e82305edb310c1838ef4ed6bbda2df921410d34879b645ee5d362e6b42dd934778e932c5af193bd
ripemd-160	afce55489e5271541b42e6424c65e93487bca380

20688081 as geometric shapes

Circle

Radius = n

Diameter	41376162
Circumference	129987046.57294
Area	1.3445912742259E+15

Sphere

Radius = n

Volume	3.7089350924105E+22
Surface area	5.3783650969036E+15
Circumference	129987046.57294

Square

Length = n

Perimeter	82752324
Area	427996695462561
Diagonal	29257364.729673

Cube

Length = n

Surface area	2567980172775366
Volume	8.8544303034618E+21
Space diagonal	35832807.4031

Equilateral Triangle

Length = n

Perimeter	62064243
Area	1.8532800550318E+14
Altitude	17916403.70155

Triangular Pyramid

Length = n

Surface area	1.8532800550318E+14
Volume	1.0435046185202E+21
Height	9752454.909891