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

20128815 (number)

20128815 is an odd 8-digits composite number following 20128814 and preceding 20128816. In scientific notation, it is written as 2.0128815 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 9201600 positive integers (up to 20128815) that are relatively prime to 20128815.

Interesting facts

20128815 has 8 divisors, whose sum is 24538368
The reverse of 20128815 is 51882102
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9

Name

Name	twenty million one hundred twenty-eight thousand eight hundred fifteen

Notation

Scientific notation	2.0128815 × 10^7
Engineering notation	2.0128815 × 10^6

Prime Factorization of 20128815

Prime Factorization 63 × 5 × 63901

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	20128815	Product of the distinct prime numbers

The prime factorization of 20128815 is 63 × 5 × 63901. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 25, 27, 98, 54, 4607, 990, 75705, 20335, 719781, 484965, 8801021, 9067920, 93493544, 33478696, 956446482, 93440198, 1633960720, 2700296698

Basic calculations (n = 20128815)

Multiplication

n×y

n×2	40257630
n×3	60386445
n×4	80515260
n×5	100644075

Division

n÷y

n÷2	10064407.5
n÷3	6709605
n÷3	5032203.75
n÷5	4025763

Exponentiation

n^y

n²	405169193304225
n³	8.15557573572E+21
n⁴	1.641620752028E+29
n⁵	3.3043880417732E+36

Nth Root

^y√n

²√n	4486.5147943588
³√n	272.02327781607
⁴√n	66.981451121626
⁵√n	28.891071007573

Divisors of 20128815

1, 5, 63, 315, 63901, 319505, 4025763, 20128815

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	-20128814	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 20128815 can be divided by 8 positive divisors. The sum of these divisors (counting 20128815) is 1, the average is 0.125.

Base conversion 20128815

Base	System	Value
2	Binary	1001100110010010000101111
3	Ternary	1101212122112200
4	Quaternary	1030302100233
5	Quinary	20123110230
6	Senary	1555232543
8	Octal	114622057
10	Decimal	20128815
12	Duodecimal	68a8753
16	Hexadecimal	133242f
20	Vigesimal	65g20f
36	Base36	bzfhr

Cryptographic Hash Functions

md5	408e742c544b4816965c46d552941199
sha1	627594e75c145f39863b1d449ddc4b9608160861
sha256	bd341bd3b2ecf82e271a1c737f05efd3b9491b1869c079a91226eb4f8087474e
sha512	a86e590893295a8c063d5adad530fb749aa5024d594c98cbb68747d2e87426a9a2fc14b85a4e5678cca7138c98a04c55fedd06785788f59952c0d1b26cbbb459
ripemd-160	34ab24f8ab93c160b88b07be2f40993cb2b60a14

20128815 as geometric shapes

Circle

Radius = n

Diameter	40257630
Circumference	126473074.65894
Area	1.2728765611455E+15

Sphere

Radius = n

Volume	3.4161995756177E+22
Surface area	5.0915062445818E+15
Circumference	126473074.65894

Square

Length = n

Perimeter	80515260
Area	405169193304225
Diagonal	28466443.167499

Cube

Length = n

Surface area	2431015159825350
Volume	8.15557573572E+21
Space diagonal	34864130.276155

Equilateral Triangle

Length = n

Perimeter	60386445
Area	1.7544340711615E+14
Altitude	17432065.138077

Triangular Pyramid

Length = n

Surface area	1.7544340711615E+14
Volume	9.6114381786801E+20
Height	9488814.3891663