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

28002009 (number)

28002009 is an odd 8-digits composite number following 28002008 and preceding 28002010. In scientific notation, it is written as 2.8002009 × 10^7. The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors. There are 15059712 positive integers (up to 28002009) that are relatively prime to 28002009.

Interesting facts

28002009 has 8 divisors, whose sum is 31061448
The reverse of 28002009 is 90020082
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3

Name

Name	twenty-eight million two thousand nine

Notation

Scientific notation	2.8002009 × 10^7
Engineering notation	2.8002009 × 10^6

Prime Factorization of 28002009

Prime Factorization 21 × 17 × 78437

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28002009	Product of the distinct prime numbers

The prime factorization of 28002009 is 21 × 17 × 78437. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 21, 28, 986, 300, 7654, 1614, 59931, 23176, 778745, 319790, 7598670, 3668170, 5214393, 87056234, 55717640, 818651220, 6685254765, 6953242475

Basic calculations (n = 28002009)

Multiplication

n×y

n×2	56004018
n×3	84006027
n×4	112008036
n×5	140010045

Division

n÷y

n÷2	14001004.5
n÷3	9334003
n÷3	7000502.25
n÷5	5600401.8

Exponentiation

n^y

n²	784112508036081
n³	2.1956725507039E+22
n⁴	6.1483242525863E+29
n⁵	1.7216543105584E+37

Nth Root

^y√n

²√n	5291.6924513807
³√n	303.6661595225
⁴√n	72.744020038631
⁵√n	30.862978632997

Divisors of 28002009

1, 17, 21, 357, 78437, 1333429, 1647177, 28002009

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	-28002008	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 28002009 can be divided by 8 positive divisors. The sum of these divisors (counting 28002009) is 1, the average is 0.125.

Base conversion 28002009

Base	System	Value
2	Binary	1101010110100011011011001
3	Ternary	1221200122112110
4	Quaternary	1222310123121
5	Quinary	24132031014
6	Senary	2440102533
8	Octal	152643331
10	Decimal	28002009
12	Duodecimal	9464a49
16	Hexadecimal	1ab46d9
20	Vigesimal	8f0509
36	Base36	go6hl

Cryptographic Hash Functions

md5	4d47710828ff4301cba740c226847366
sha1	fdbb04d9f699e3e6c39fefef126a562c656b03c2
sha256	4361e53b22b655291771f7f1d65933972846a0aab81ce07c0848d33b3ccac208
sha512	23c0ae8f89d8c434cbb557b28dc029a405e7af75876f5de5a3184172606bd57c3fc54ad7546392ac85f1b681cffc888337c7b3b0e4145528100a8e39d5a4f00e
ripemd-160	3b431c2d21f485bd0b1218dfdf53ab1126773495

28002009 as geometric shapes

Circle

Radius = n

Diameter	56004018
Circumference	175941811.52031
Area	2.463362094834E+15

Sphere

Radius = n

Volume	9.1972116733068E+22
Surface area	9.8534483793361E+15
Circumference	175941811.52031

Square

Length = n

Perimeter	112008036
Area	784112508036081
Diagonal	39600820.901493

Cube

Length = n

Surface area	4704675048216486
Volume	2.1956725507039E+22
Space diagonal	48500902.302001

Equilateral Triangle

Length = n

Perimeter	84006027
Area	3.3953067569219E+14
Altitude	24250451.151

Triangular Pyramid

Length = n

Surface area	3.3953067569219E+14
Volume	2.5876249164465E+21
Height	13200273.633831