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

28166821 (number)

28166821 is an odd 8-digits composite number following 28166820 and preceding 28166822. In scientific notation, it is written as 2.8166821 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 27964044 positive integers (up to 28166821) that are relatively prime to 28166821.

Interesting facts

28166821 has 4 divisors, whose sum is 28369600
The reverse of 28166821 is 12866182
Previous prime number is 139

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twenty-eight million one hundred sixty-six thousand eight hundred twenty-one

Notation

Scientific notation	2.8166821 × 10^7
Engineering notation	2.8166821 × 10^6

Prime Factorization of 28166821

Prime Factorization 139 × 202639

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28166821	Product of the distinct prime numbers

The prime factorization of 28166821 is 139 × 202639. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 7, 100, 75, 530, 974, 3506, 8163, 39381, 25337, 935193, 41795, 5263609, 8450557, 7489580, 46505639, 478593875, 37229436, 5867868198, 1197415169

Basic calculations (n = 28166821)

Multiplication

n×y

n×2	56333642
n×3	84500463
n×4	112667284
n×5	140834105

Division

n÷y

n÷2	14083410.5
n÷3	9388940.3333333
n÷3	7041705.25
n÷5	5633364.2

Exponentiation

n^y

n²	793369805246041
n³	2.234670529117E+22
n⁴	6.2943564787614E+29
n⁵	1.7729201224746E+37

Nth Root

^y√n

²√n	5307.2423159302
³√n	304.26075921375
⁴√n	72.850822342168
⁵√n	30.899223575664

Divisors of 28166821

1, 139, 202639, 28166821

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	-28166820	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 28166821 can be divided by 4 positive divisors. The sum of these divisors (counting 28166821) is 1, the average is 0.25.

Base conversion 28166821

Base	System	Value
2	Binary	1101011011100101010100101
3	Ternary	1222000000121121
4	Quaternary	1223130222211
5	Quinary	24202314241
6	Senary	2443413541
8	Octal	153345245
10	Decimal	28166821
12	Duodecimal	95242b1
16	Hexadecimal	1adcaa5
20	Vigesimal	8g0h11
36	Base36	grpnp

Cryptographic Hash Functions

md5	5dbfbeec5a187a8be9983ea13fb70874
sha1	41951e9f0cebc0523cde2ee98cfe5a347a873926
sha256	bd7c7b402fcb4bd69c57851149998a922214cdf144c362778573f087d1d90841
sha512	11d201c64e5b403865c7483a02d7468995327e9de36f439ad2c75b0d42f658b9250e76e6e618eb6d1bd4cff7bf20350c36744ae3aac59fd112a09bb998f80360
ripemd-160	c7eb425c52b80eb8748cbb78ece59914113ed402

28166821 as geometric shapes

Circle

Radius = n

Diameter	56333642
Circumference	176977355.85716
Area	2.4924447517409E+15

Sphere

Radius = n

Volume	9.3605660232902E+22
Surface area	9.9697790069637E+15
Circumference	176977355.85716

Square

Length = n

Perimeter	112667284
Area	793369805246041
Diagonal	39833900.267135

Cube

Length = n

Surface area	4760218831476246
Volume	2.234670529117E+22
Space diagonal	48786365.059698

Equilateral Triangle

Length = n

Perimeter	84500463
Area	3.4353920296929E+14
Altitude	24393182.529849

Triangular Pyramid

Length = n

Surface area	3.4353920296929E+14
Volume	2.6335844747606E+21
Height	13277966.755712