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

20728237 (number)

20728237 is an odd 8-digits composite number following 20728236 and preceding 20728238. In scientific notation, it is written as 2.0728237 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 20277600 positive integers (up to 20728237) that are relatively prime to 20728237.

Interesting facts

20728237 has 8 divisors, whose sum is 21183552
The reverse of 20728237 is 73282702
Previous prime number is 71

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	twenty million seven hundred twenty-eight thousand two hundred thirty-seven

Notation

Scientific notation	2.0728237 × 10^7
Engineering notation	2.0728237 × 10^6

Prime Factorization of 20728237

Prime Factorization 137 × 71 × 2131

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20728237	Product of the distinct prime numbers

The prime factorization of 20728237 is 137 × 71 × 2131. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 9, 53, 100, 510, 26, 5273, 8158, 11648, 65316, 829250, 43487, 7114252, 5924418, 46015419, 7799880, 796669885, 818762813, 469095197, 4020754025

Basic calculations (n = 20728237)

Multiplication

n×y

n×2	41456474
n×3	62184711
n×4	82912948
n×5	103641185

Division

n÷y

n÷2	10364118.5
n÷3	6909412.3333333
n÷3	5182059.25
n÷5	4145647.4

Exponentiation

n^y

n²	429659809128169
n³	8.9060903529835E+21
n⁴	1.8460755158005E+29
n⁵	3.8265890811411E+36

Nth Root

^y√n

²√n	4552.8273632985
³√n	274.69712991866
⁴√n	67.474642372513
⁵√n	29.061128388331

Divisors of 20728237

1, 71, 137, 2131, 9727, 151301, 291947, 20728237

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	-20728236	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 20728237 can be divided by 8 positive divisors. The sum of these divisors (counting 20728237) is 1, the average is 0.125.

Base conversion 20728237

Base	System	Value
2	Binary	1001111000100100110101101
3	Ternary	1110000002210111
4	Quaternary	1033010212231
5	Quinary	20301300422
6	Senary	2020140021
8	Octal	117044655
10	Decimal	20728237
12	Duodecimal	6b37611
16	Hexadecimal	13c49ad
20	Vigesimal	69b0bh
36	Base36	cca0d

Cryptographic Hash Functions

md5	8f37d38a65f811c784f97a2aced38797
sha1	f6e364bd188ac81a7308d1104925b2c69fd00246
sha256	f39b6cd0b7d3ee17673db3132667760df5396883b43d90164eb08648e2aa48ee
sha512	761a3b224e3bb22d8438ae2d0c514120822edd3cb9ef9b6e6ce474474d1dc445f75084813cb9e006bcab593d29e482c2c673d1e03018c8805db3640c379765b7
ripemd-160	3624926eb6ef23beaa3151c8009903010fcd2176

20728237 as geometric shapes

Circle

Radius = n

Diameter	41456474
Circumference	130239354.16214
Area	1.3498160998998E+15

Sphere

Radius = n

Volume	3.730574403352E+22
Surface area	5.3992643995994E+15
Circumference	130239354.16214

Square

Length = n

Perimeter	82912948
Area	429659809128169
Diagonal	29314153.889484

Cube

Length = n

Surface area	2577958854769014
Volume	8.9060903529835E+21
Space diagonal	35902359.635329

Equilateral Triangle

Length = n

Perimeter	62184711
Area	1.8604815484508E+14
Altitude	17951179.817665

Triangular Pyramid

Length = n

Surface area	1.8604815484508E+14
Volume	1.0495928137424E+21
Height	9771384.6298279