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

28001855 (number)

28001855 is an odd 8-digits composite number following 28001854 and preceding 28001856. In scientific notation, it is written as 2.8001855 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 19201248 positive integers (up to 28001855) that are relatively prime to 28001855.

Interesting facts

28001855 has 8 divisors, whose sum is 38402592
The reverse of 28001855 is 55810082
Previous prime number is 5

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	twenty-eight million one thousand eight hundred fifty-five

Notation

Scientific notation	2.8001855 × 10^7
Engineering notation	2.8001855 × 10^6

Prime Factorization of 28001855

Prime Factorization 7 × 5 × 800053

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28001855	Product of the distinct prime numbers

The prime factorization of 28001855 is 7 × 5 × 800053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 30, 33, 679, 130, 3459, 9776, 95840, 65743, 160500, 252552, 9168452, 8422735, 98366194, 82545783, 750360280, 609618396, 1693130344, 2629567760

Basic calculations (n = 28001855)

Multiplication

n×y

n×2	56003710
n×3	84005565
n×4	112007420
n×5	140009275

Division

n÷y

n÷2	14000927.5
n÷3	9333951.6666667
n÷3	7000463.75
n÷5	5600371

Exponentiation

n^y

n²	784103883441025
n³	2.1956363249052E+22
n⁴	6.148189000273E+29
n⁵	1.7216069689824E+37

Nth Root

^y√n

²√n	5291.6779002505
³√n	303.66560284013
⁴√n	72.743920022573
⁵√n	30.862944686081

Divisors of 28001855

1, 5, 7, 35, 800053, 4000265, 5600371, 28001855

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	-28001854	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 28001855 can be divided by 8 positive divisors. The sum of these divisors (counting 28001855) is 1, the average is 0.125.

Base conversion 28001855

Base	System	Value
2	Binary	1101010110100011000111111
3	Ternary	1221200122022202
4	Quaternary	1222310120333
5	Quinary	24132024410
6	Senary	2440102115
8	Octal	152643077
10	Decimal	28001855
12	Duodecimal	946493b
16	Hexadecimal	1ab463f
20	Vigesimal	8f04cf
36	Base36	go6db

Cryptographic Hash Functions

md5	9dc779dc7dd5d2f98c326cb99f455c7f
sha1	be1497b0da03c2a094137145f71eaedd6ed35645
sha256	f381e98158219061b08183796d0fa76573a77cfd5c061e927e9164e8642b48dd
sha512	0704a42573bf774a4327f99edcc52efa7f152e134d5d9cb3c6e8a506c675511b155c3fef4fe28291e4d6aa0e2bec55f0847b3fdb86abb7f97385e2d8bb89a7a6
ripemd-160	a2c1eb726340a1227843f06f632216254e272071

28001855 as geometric shapes

Circle

Radius = n

Diameter	56003710
Circumference	175940843.90977
Area	2.4633349998696E+15

Sphere

Radius = n

Volume	9.1970599310363E+22
Surface area	9.8533399994782E+15
Circumference	175940843.90977

Square

Length = n

Perimeter	112007420
Area	784103883441025
Diagonal	39600603.112605

Cube

Length = n

Surface area	4704623300646150
Volume	2.1956363249052E+22
Space diagonal	48500635.566177

Equilateral Triangle

Length = n

Perimeter	84005565
Area	3.3952694113298E+14
Altitude	24250317.783088

Triangular Pyramid

Length = n

Surface area	3.3952694113298E+14
Volume	2.5875822239334E+21
Height	13200201.037535