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

28016821 (number)

28016821 is an odd 8-digits composite number following 28016820 and preceding 28016822. In scientific notation, it is written as 2.8016821 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 24014412 positive integers (up to 28016821) that are relatively prime to 28016821.

Interesting facts

28016821 has 4 divisors, whose sum is 32019232
The reverse of 28016821 is 12861082
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

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

Notation

Scientific notation	2.8016821 × 10^7
Engineering notation	2.8016821 × 10^6

Prime Factorization of 28016821

Prime Factorization 7 × 4002403

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28016821	Product of the distinct prime numbers

The prime factorization of 28016821 is 7 × 4002403. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 90, 4, 577, 383, 1574, 6035, 83557, 28645, 714321, 977538, 9395368, 2678004, 4469590, 43518829, 229367100, 986927917, 6152707194, 5638729985

Basic calculations (n = 28016821)

Multiplication

n×y

n×2	56033642
n×3	84050463
n×4	112067284
n×5	140084105

Division

n÷y

n÷2	14008410.5
n÷3	9338940.3333333
n÷3	7004205.25
n÷5	5603364.2

Exponentiation

n^y

n²	784942258946041
n³	2.1991586764227E+22
n⁴	6.1613434987931E+29
n⁵	1.726212579252E+37

Nth Root

^y√n

²√n	5293.0918185877
³√n	303.71969270905
⁴√n	72.753637837483
⁵√n	30.866243011248

Divisors of 28016821

1, 7, 4002403, 28016821

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28016820	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28016821 can be divided by 4 positive divisors. The sum of these divisors (counting 28016821) is 1, the average is 0.25.

Base conversion 28016821

Base	System	Value
2	Binary	1101010111000000010110101
3	Ternary	1221201101212001
4	Quaternary	1222320002311
5	Quinary	24133014241
6	Senary	2440255301
8	Octal	152700265
10	Decimal	28016821
12	Duodecimal	9471531
16	Hexadecimal	1ab80b5
20	Vigesimal	8f2211
36	Base36	gohx1

Cryptographic Hash Functions

md5	088b8f1396e58d027f41e0b6d1d70497
sha1	1d8e0dfc7254f7815525004f7b384aa828bcce86
sha256	597767a74d6fe1a1a839c8e5c43e57dd0003741e0d733e0273cc0406962f47fa
sha512	f3b58255940682d0690e4c4439bde176fe196c842a02b86d34f6ef1eaffe8bb3db8ef91cff7dcc54702822b447f098258192e7ba39a3af0c86d5edafc8950115
ripemd-160	da1d32dcd258a7dbb3de8098e6a1bf0e1a2b3da4

28016821 as geometric shapes

Circle

Radius = n

Diameter	56033642
Circumference	176034878.06108
Area	2.4659688341971E+15

Sphere

Radius = n

Volume	9.2118143225704E+22
Surface area	9.8638753367882E+15
Circumference	176034878.06108

Square

Length = n

Perimeter	112067284
Area	784942258946041
Diagonal	39621768.232779

Cube

Length = n

Surface area	4709653553676246
Volume	2.1991586764227E+22
Space diagonal	48526557.438563

Equilateral Triangle

Length = n

Perimeter	84050463
Area	3.3988996837561E+14
Altitude	24263278.719281

Triangular Pyramid

Length = n

Surface area	3.3988996837561E+14
Volume	2.5917333550062E+21
Height	13207256.077593