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

12816981 (number)

12816981 is an odd 8-digits composite number following 12816980 and preceding 12816982. In scientific notation, it is written as 1.2816981 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 8268480 positive integers (up to 12816981) that are relatively prime to 12816981.

Interesting facts

12816981 has 8 divisors, whose sum is 14395160
The reverse of 12816981 is 18961821
Previous prime number is 9

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

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

Notation

Scientific notation	1.2816981 × 10^7
Engineering notation	1.2816981 × 10^6

Prime Factorization of 12816981

Prime Factorization 93 × 9 × 15313

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12816981	Product of the distinct prime numbers

The prime factorization of 12816981 is 93 × 9 × 15313. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 10, 27, 40, 569, 462, 2679, 3992, 11345, 37087, 697437, 707281, 49939, 5961691, 26119780, 67537233, 151486292, 184076150, 8653376830, 601597819

Basic calculations (n = 12816981)

Multiplication

n×y

n×2	25633962
n×3	38450943
n×4	51267924
n×5	64084905

Division

n÷y

n÷2	6408490.5
n÷3	4272327
n÷3	3204245.25
n÷5	2563396.2

Exponentiation

n^y

n²	164275001954361
n³	2.105509578824E+21
n⁴	2.6986276267105E+28
n⁵	3.4588259017624E+35

Nth Root

^y√n

²√n	3580.0811443318
³√n	234.02481656591
⁴√n	59.833779291733
⁵√n	26.397156553928

Divisors of 12816981

1, 9, 93, 837, 15313, 137817, 1424109, 12816981

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	-12816980	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 12816981 can be divided by 8 positive divisors. The sum of these divisors (counting 12816981) is 1, the average is 0.125.

Base conversion 12816981

Base	System	Value
2	Binary	110000111001001001010101
3	Ternary	220010011121000
4	Quaternary	300321021111
5	Quinary	11240120411
6	Senary	1134413513
8	Octal	60711125
10	Decimal	12816981
12	Duodecimal	4361299
16	Hexadecimal	c39255
20	Vigesimal	402291
36	Base36	7mpn9

Cryptographic Hash Functions

md5	0a1924d979e35bb9eda72131befd9ef3
sha1	7e9b2b06ef450698f67b82353f3bf85542ea4cd2
sha256	2d71863d4baa160dc81a78cc30f7d3b77937b22bbfcb624eb325b884d878e871
sha512	b437b191ff3f469b6f425e473d132938daff42b7036aad29d2892ab84925aad014cdc5853ddab6ca56975a54a96605ddc8e595d4a8ce73b6217d7c90a4cc7db2
ripemd-160	20ba5377e601d325ec704c0aebe42a430cd96019

12816981 as geometric shapes

Circle

Radius = n

Diameter	25633962
Circumference	80531466.7016
Area	5.1608513930827E+14

Sphere

Radius = n

Volume	8.8195378998619E+21
Surface area	2.0643405572331E+15
Circumference	80531466.7016

Square

Length = n

Perimeter	51267924
Area	164275001954361
Diagonal	18125948.358878

Cube

Length = n

Surface area	985650011726166
Volume	2.105509578824E+21
Space diagonal	22199662.291645

Equilateral Triangle

Length = n

Perimeter	38450943
Area	71133162449607
Altitude	11099831.145822

Triangular Pyramid

Length = n

Surface area	71133162449607
Volume	2.4813668350661E+20
Height	6041982.7862928