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

12821978 (number)

12821978 is an even 8-digits composite number following 12821977 and preceding 12821979. In scientific notation, it is written as 1.2821978 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 5569536 positive integers (up to 12821978) that are relatively prime to 12821978.

Interesting facts

12821978 has 8 divisors, whose sum is 19320660
The reverse of 12821978 is 87912821
Previous prime number is 221

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	twelve million eight hundred twenty-one thousand nine hundred seventy-eight

Notation

Scientific notation	1.2821978 × 10^7
Engineering notation	1.2821978 × 10^6

Prime Factorization of 12821978

Prime Factorization 2 × 221 × 29009

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12821978	Product of the distinct prime numbers

The prime factorization of 12821978 is 2 × 221 × 29009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 66, 7, 790, 201, 8977, 8986, 12055, 69169, 698487, 358657, 3618980, 5873245, 10523637, 58540685, 694010190, 754922818, 2163318896, 8656444854

Basic calculations (n = 12821978)

Multiplication

n×y

n×2	25643956
n×3	38465934
n×4	51287912
n×5	64109890

Division

n÷y

n÷2	6410989
n÷3	4273992.6666667
n÷3	3205494.5
n÷5	2564395.6

Exponentiation

n^y

n²	164403119832484
n³	2.1079731856235E+21
n⁴	2.7028385810654E+28
n⁵	3.4655736823972E+35

Nth Root

^y√n

²√n	3580.7789655325
³√n	234.05522596487
⁴√n	59.839610339076
⁵√n	26.399214542863

Divisors of 12821978

1, 2, 221, 442, 29009, 58018, 6410989, 12821978

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	-12821977	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 12821978 can be divided by 8 positive divisors. The sum of these divisors (counting 12821978) is 1, the average is 0.125.

Base conversion 12821978

Base	System	Value
2	Binary	110000111010010111011010
3	Ternary	220010102110002
4	Quaternary	300322113122
5	Quinary	11240300403
6	Senary	1134453002
8	Octal	60722732
10	Decimal	12821978
12	Duodecimal	4364162
16	Hexadecimal	c3a5da
20	Vigesimal	402eii
36	Base36	7mti2

Cryptographic Hash Functions

md5	2aa60594d956bf88fe49f551a2b472a6
sha1	e26e82b6b99d717bc638f33f9342bdcf24c6a60d
sha256	5274bcc5f9d0f818dfa9b265ad63ef0241424b0b56d4739a7710d0d747b59cbc
sha512	3a10df4680c52a8332b23007e50575c73f501a5efb61de144276dd4ed723aba2ad027a944fb3e6527cfc080bddaba3665dcdc02fca90d187263ae4c05fb531c2
ripemd-160	a6f2d2c5af5ac87ad8700c15be316c613160d0ee

12821978 as geometric shapes

Circle

Radius = n

Diameter	25643956
Circumference	80562863.77858
Area	5.1648763349297E+14

Sphere

Radius = n

Volume	8.829857431892E+21
Surface area	2.0659505339719E+15
Circumference	80562863.77858

Square

Length = n

Perimeter	51287912
Area	164403119832484
Diagonal	18133015.184049

Cube

Length = n

Surface area	986418718994904
Volume	2.1079731856235E+21
Space diagonal	22208317.34953

Equilateral Triangle

Length = n

Perimeter	38465934
Area	71188639118174
Altitude	11104158.674765

Triangular Pyramid

Length = n

Surface area	71188639118174
Volume	2.4842702235229E+20
Height	6044338.3946832