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

20688521 (number)

20688521 is an odd 8-digits composite number following 20688520 and preceding 20688522. In scientific notation, it is written as 2.0688521 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 17665488 positive integers (up to 20688521) that are relatively prime to 20688521.

Interesting facts

20688521 has 8 divisors, whose sum is 23734080
The reverse of 20688521 is 12588602
Previous prime number is 269

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

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

Notation

Scientific notation	2.0688521 × 10^7
Engineering notation	2.0688521 × 10^6

Prime Factorization of 20688521

Prime Factorization 7 × 269 × 10987

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20688521	Product of the distinct prime numbers

The prime factorization of 20688521 is 7 × 269 × 10987. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 61, 11, 722, 493, 8333, 1258, 86098, 66334, 386501, 992096, 8228882, 522345, 54065003, 78403537, 382781490, 810362376, 4788476335, 9640347155

Basic calculations (n = 20688521)

Multiplication

n×y

n×2	41377042
n×3	62065563
n×4	82754084
n×5	103442605

Division

n÷y

n÷2	10344260.5
n÷3	6896173.6666667
n÷3	5172130.25
n÷5	4137704.2

Exponentiation

n^y

n²	428014901167441
n³	8.8549952711155E+21
n⁴	1.8319675562137E+29
n⁵	3.7900699258047E+36

Nth Root

^y√n

²√n	4548.463586751
³√n	274.52157476441
⁴√n	67.442298201878
⁵√n	29.04998342331

Divisors of 20688521

1, 7, 269, 1883, 10987, 76909, 2955503, 20688521

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	-20688520	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 20688521 can be divided by 8 positive divisors. The sum of these divisors (counting 20688521) is 1, the average is 0.125.

Base conversion 20688521

Base	System	Value
2	Binary	1001110111010111010001001
3	Ternary	1102221002022112
4	Quaternary	1032322322021
5	Quinary	20244013041
6	Senary	2015232105
8	Octal	116727211
10	Decimal	20688521
12	Duodecimal	6b18635
16	Hexadecimal	13bae89
20	Vigesimal	696161
36	Base36	cbfd5

Cryptographic Hash Functions

md5	4c0368d71fd046612376860a1c566589
sha1	61a1cd9f5e1373ae2fc465fd5ee3fea9f1fb8f29
sha256	88aa5b704c4c96fc9a9b4d8c3bde7d61165b94d2b691722dda01294271fdfae2
sha512	df8c0eae8762792d27656f6a7a6a4a188190316e6dd65396c3686934f77b8137c97c048e981985c794a5eaccd0e0be85dd991f518909aa474b0a83bd554dc6f6
ripemd-160	e5bf468d07011c3156105fea22682385c17d7f4b

20688521 as geometric shapes

Circle

Radius = n

Diameter	41377042
Circumference	129989811.17448
Area	1.3446484691346E+15

Sphere

Radius = n

Volume	3.7091717455079E+22
Surface area	5.3785938765384E+15
Circumference	129989811.17448

Square

Length = n

Perimeter	82754084
Area	428014901167441
Diagonal	29257986.983641

Cube

Length = n

Surface area	2568089407004646
Volume	8.8549952711155E+21
Space diagonal	35833569.505456

Equilateral Triangle

Length = n

Perimeter	62065563
Area	1.8533588880464E+14
Altitude	17916784.752728

Triangular Pyramid

Length = n

Surface area	1.8533588880464E+14
Volume	1.0435712005968E+21
Height	9752662.3278802