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

20505715 (number)

20505715 is an odd 8-digits composite number following 20505714 and preceding 20505716. In scientific notation, it is written as 2.0505715 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 16388160 positive integers (up to 20505715) that are relatively prime to 20505715.

Interesting facts

20505715 has 8 divisors, whose sum is 24631488
The reverse of 20505715 is 51750502
Previous prime number is 1721

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	twenty million five hundred five thousand seven hundred fifteen

Notation

Scientific notation	2.0505715 × 10^7
Engineering notation	2.0505715 × 10^6

Prime Factorization of 20505715

Prime Factorization 5 × 1721 × 2383

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20505715	Product of the distinct prime numbers

The prime factorization of 20505715 is 5 × 1721 × 2383. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 2, 76, 9, 812, 236, 3947, 5482, 61107, 81248, 469449, 50298, 3059342, 3858326, 15286657, 41293670, 908954244, 870799400, 8688434283, 6145750470

Basic calculations (n = 20505715)

Multiplication

n×y

n×2	41011430
n×3	61517145
n×4	82022860
n×5	102528575

Division

n÷y

n÷2	10252857.5
n÷3	6835238.3333333
n÷3	5126428.75
n÷5	4101143

Exponentiation

n^y

n²	420484347661225
n³	8.622332195102E+21
n⁴	1.7680708662809E+29
n⁵	3.6255557283758E+36

Nth Root

^y√n

²√n	4528.3236412606
³√n	273.71061407325
⁴√n	67.292820131576
⁵√n	28.998463248428

Divisors of 20505715

1, 5, 1721, 2383, 8605, 11915, 4101143, 20505715

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	-20505714	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 20505715 can be divided by 8 positive divisors. The sum of these divisors (counting 20505715) is 1, the average is 0.125.

Base conversion 20505715

Base	System	Value
2	Binary	1001110001110010001110011
3	Ternary	1102120210112221
4	Quaternary	1032032101303
5	Quinary	20222140330
6	Senary	2011301511
8	Octal	116162163
10	Decimal	20505715
12	Duodecimal	6a4a897
16	Hexadecimal	138e473
20	Vigesimal	68345f
36	Base36	c7ib7

Cryptographic Hash Functions

md5	b42427e1cbf68cb8251c9379899b7059
sha1	14183e673468384f89fefddb8fac3cbffa625314
sha256	cb28fa07bc0094a1f81fbd8a67b9720eb76477e214eab6c459a77ef979a43977
sha512	ac01feea2a104ac53f8b88c1dd552d9cc5daa64bc92761cd2e875d7cd0329570c1f7ae2915ee846459de93c8545531c22ba25b48c8db1c95b003b44c7e4d4292
ripemd-160	8bbeb61aa7a33834ef493994afc0e1d3584d40c4

20505715 as geometric shapes

Circle

Radius = n

Diameter	41011430
Circumference	128841207.20121
Area	1.320990537562E+15

Sphere

Radius = n

Volume	3.6117140641258E+22
Surface area	5.283962150248E+15
Circumference	128841207.20121

Square

Length = n

Perimeter	82022860
Area	420484347661225
Diagonal	28999460.259157

Cube

Length = n

Surface area	2522906085967350
Volume	8.622332195102E+21
Space diagonal	35516940.225527

Equilateral Triangle

Length = n

Perimeter	61517145
Area	1.8207506348417E+14
Altitude	17758470.112764

Triangular Pyramid

Length = n

Surface area	1.8207506348417E+14
Volume	1.0161515941333E+21
Height	9666486.7530525