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

12885981 (number)

12885981 is an odd 8-digits composite number following 12885980 and preceding 12885982. In scientific notation, it is written as 1.2885981 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 8549520 positive integers (up to 12885981) that are relatively prime to 12885981.

Interesting facts

12885981 has 8 divisors, whose sum is 17263584
The reverse of 12885981 is 18958821
Previous prime number is 211

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6

Name

Name	twelve million eight hundred eighty-five thousand nine hundred eighty-one

Notation

Scientific notation	1.2885981 × 10^7
Engineering notation	1.2885981 × 10^6

Prime Factorization of 12885981

Prime Factorization 3 × 211 × 20357

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12885981	Product of the distinct prime numbers

The prime factorization of 12885981 is 3 × 211 × 20357. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 96, 16, 990, 69, 9174, 8519, 15088, 84259, 666095, 30033, 3546957, 8921424, 66672958, 91308094, 199724599, 113615701, 9223073606, 4162561040

Basic calculations (n = 12885981)

Multiplication

n×y

n×2	25771962
n×3	38657943
n×4	51543924
n×5	64429905

Division

n÷y

n÷2	6442990.5
n÷3	4295327
n÷3	3221495.25
n÷5	2577196.2

Exponentiation

n^y

n²	166048506332361
n³	2.1396978976772E+21
n⁴	2.7572106455208E+28
n⁵	3.5529363991179E+35

Nth Root

^y√n

²√n	3589.70486252
³√n	234.44402141402
⁴√n	59.914145763084
⁵√n	26.425517276709

Divisors of 12885981

1, 3, 211, 633, 20357, 61071, 4295327, 12885981

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	-12885980	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 12885981 can be divided by 8 positive divisors. The sum of these divisors (counting 12885981) is 1, the average is 0.125.

Base conversion 12885981

Base	System	Value
2	Binary	110001001001111111011101
3	Ternary	220020200020120
4	Quaternary	301021333131
5	Quinary	11244322411
6	Senary	1140105153
8	Octal	61117735
10	Decimal	12885981
12	Duodecimal	43951b9
16	Hexadecimal	c49fdd
20	Vigesimal	40aej1
36	Base36	7o6vx

Cryptographic Hash Functions

md5	b2d84032486d47eb0d89d6f6553475aa
sha1	c1290fd89ce842c3182c7befb5ac3e94b14fc08a
sha256	0dbb1885f07abaa243a2b56c94754f7be0f596636c2dc344e060dd710419b3c8
sha512	c60c971ba7bd0cc402052ad372dbf60d46c3dcc6bb43a64377bc6a17a877d0199dea9d2656a098139493bfc2604f3700909268c231abe2b97f25462bdd6ac014
ripemd-160	df2f5181c7e27be8ab1a861f9e341d6a151d2e1a

12885981 as geometric shapes

Circle

Radius = n

Diameter	25771962
Circumference	80965006.487795
Area	5.216567676333E+14

Sphere

Radius = n

Volume	8.9627455949922E+21
Surface area	2.0866270705332E+15
Circumference	80965006.487795

Square

Length = n

Perimeter	51543924
Area	166048506332361
Diagonal	18223529.094682

Cube

Length = n

Surface area	996291037994166
Volume	2.1396978976772E+21
Space diagonal	22319173.797367

Equilateral Triangle

Length = n

Perimeter	38657943
Area	71901112372143
Altitude	11159586.898684

Triangular Pyramid

Length = n

Surface area	71901112372143
Volume	2.5216581552302E+20
Height	6074509.6982273