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

20808729 (number)

20808729 is an odd 8-digits composite number following 20808728 and preceding 20808730. In scientific notation, it is written as 2.0808729 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 13850784 positive integers (up to 20808729) that are relatively prime to 20808729.

Interesting facts

20808729 has 8 divisors, whose sum is 23157000
The reverse of 20808729 is 92780802
Previous prime number is 829

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	twenty million eight hundred eight thousand seven hundred twenty-nine

Notation

Scientific notation	2.0808729 × 10^7
Engineering notation	2.0808729 × 10^6

Prime Factorization of 20808729

Prime Factorization 9 × 829 × 2789

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20808729	Product of the distinct prime numbers

The prime factorization of 20808729 is 9 × 829 × 2789. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 10, 63, 24, 286, 263, 4545, 79, 48669, 12638, 592400, 946939, 4244031, 6086083, 90502477, 31464403, 146174856, 644398018, 3593780499, 6695523408

Basic calculations (n = 20808729)

Multiplication

n×y

n×2	41617458
n×3	62426187
n×4	83234916
n×5	104043645

Division

n÷y

n÷2	10404364.5
n÷3	6936243
n÷3	5202182.25
n÷5	4161745.8

Exponentiation

n^y

n²	433003202595441
n³	9.0102462989406E+21
n⁴	1.8749177345791E+29
n⁵	3.901465503615E+36

Nth Root

^y√n

²√n	4561.6585799466
³√n	275.05223911182
⁴√n	67.540051672667
⁵√n	29.08366347773

Divisors of 20808729

1, 9, 829, 2789, 7461, 25101, 2312081, 20808729

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	-20808728	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 20808729 can be divided by 8 positive divisors. The sum of these divisors (counting 20808729) is 1, the average is 0.125.

Base conversion 20808729

Base	System	Value
2	Binary	1001111011000010000011001
3	Ternary	1110011012012200
4	Quaternary	1033120100121
5	Quinary	20311334404
6	Senary	2022000413
8	Octal	117302031
10	Decimal	20808729
12	Duodecimal	6b76109
16	Hexadecimal	13d8419
20	Vigesimal	6a11g9
36	Base36	ce049

Cryptographic Hash Functions

md5	0518c876b929d6fbd33b098e91d343ba
sha1	ebdf281295279a88183b24a85f4863d326205b70
sha256	43a6f4ef541709e25a0e20da159faaad50b0821bc6ae4ea8925960a2928487f1
sha512	56365a499d9b9eddd6ed386c513ad2e00dc1c5fe94b198863901796213833dbf49f1438d205148e698c4e53124db17512f45639542e52013fcff099e40f99b78
ripemd-160	cc153eacb89f0fa8256852b4b3631c2f51cecd39

20808729 as geometric shapes

Circle

Radius = n

Diameter	41617458
Circumference	130745100.31388
Area	1.3603196802547E+15

Sphere

Radius = n

Volume	3.7742031439715E+22
Surface area	5.4412787210188E+15
Circumference	130745100.31388

Square

Length = n

Perimeter	83234916
Area	433003202595441
Diagonal	29427986.767546

Cube

Length = n

Surface area	2598019215572646
Volume	9.0102462989406E+21
Space diagonal	36041775.868932

Equilateral Triangle

Length = n

Perimeter	62426187
Area	1.8749588668384E+14
Altitude	18020887.934466

Triangular Pyramid

Length = n

Surface area	1.8749588668384E+14
Volume	1.0618677096903E+21
Height	9809328.9225154