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

12821891 (number)

12821891 is an odd 8-digits prime number following 12821890 and preceding 12821892. In scientific notation, it is written as 1.2821891 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 12821890 positive integers (up to 12821891) that are relatively prime to 12821891.

Interesting facts

12821891 has 2 divisors, whose sum is 12821892
The reverse of 12821891 is 19812821
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twelve million eight hundred twenty-one thousand eight hundred ninety-one

Notation

Scientific notation	1.2821891 × 10^7
Engineering notation	1.2821891 × 10^6

Prime Factorization of 12821891

Prime Factorization 12821891

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	12821891	Product of the distinct prime numbers

The prime factorization of 12821891 is 12821891. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 2, 36, 87, 17, 359, 7381, 6644, 83177, 87717, 809204, 515270, 5797716, 2425793, 95277645, 59112778, 276542152, 791072457, 6871234759, 6624766800

Basic calculations (n = 12821891)

Multiplication

n×y

n×2	25643782
n×3	38465673
n×4	51287564
n×5	64109455

Division

n÷y

n÷2	6410945.5
n÷3	4273963.6666667
n÷3	3205472.75
n÷5	2564378.2

Exponentiation

n^y

n²	164400888815881
n³	2.1079302767003E+21
n⁴	2.7027652243452E+28
n⁵	3.4654561105144E+35

Nth Root

^y√n

²√n	3580.7668173172
³√n	234.05469659125
⁴√n	59.83950883252
⁵√n	26.399178717846

Divisors of 12821891

1, 12821891

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	12821892	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	6410946	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	3580.7669569521	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999998440168	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12821891 can be divided by 2 positive divisors. The sum of these divisors (counting 12821891) is 12821892, the average is 6410946.

Base conversion 12821891

Base	System	Value
2	Binary	110000111010010110000011
3	Ternary	220010102022212
4	Quaternary	300322112003
5	Quinary	11240300031
6	Senary	1134452335
8	Octal	60722603
10	Decimal	12821891
12	Duodecimal	43640ab
16	Hexadecimal	c3a583
20	Vigesimal	402eeb
36	Base36	7mtfn

Cryptographic Hash Functions

md5	ea1a6985a37a7eb5673f32e0be6a16ab
sha1	c171441094f199256649fbf81c211bd9a08d0781
sha256	5cb6ec1b8e20779130e219d162403ecf24325b297ca27b98749a5941a64de8ac
sha512	7f901fc04def276037429cda165a7d9870985201df6ceea1c2928f7e1a9d0e3b064d49409d32249639bdffae542d5044c70e5dd5af8d0bb5b4e876ac52c6d7b8
ripemd-160	07fe4690b93b014be756d2e6dae7ef791129964d

12821891 as geometric shapes

Circle

Radius = n

Diameter	25643782
Circumference	80562317.141458
Area	5.164806245476E+14

Sphere

Radius = n

Volume	8.8296776954151E+21
Surface area	2.0659224981904E+15
Circumference	80562317.141458

Square

Length = n

Perimeter	51287564
Area	164400888815881
Diagonal	18132892.14747

Cube

Length = n

Surface area	986405332895286
Volume	2.1079302767003E+21
Space diagonal	22208166.66111

Equilateral Triangle

Length = n

Perimeter	38465673
Area	71187673059647
Altitude	11104083.330555

Triangular Pyramid

Length = n

Surface area	71187673059647
Volume	2.4842196548721E+20
Height	6044297.3824898