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

12981806 (number)

12981806 is an even 8-digits composite number following 12981805 and preceding 12981807. In scientific notation, it is written as 1.2981806 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 6490902 positive integers (up to 12981806) that are relatively prime to 12981806.

Interesting facts

12981806 has 4 divisors, whose sum is 19472712
The reverse of 12981806 is 60818921
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

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

Notation

Scientific notation	1.2981806 × 10^7
Engineering notation	1.2981806 × 10^6

Prime Factorization of 12981806

Prime Factorization 2 × 6490903

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12981806	Product of the distinct prime numbers

The prime factorization of 12981806 is 2 × 6490903. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 50, 49, 434, 629, 4852, 8979, 41240, 11126, 22104, 413089, 2562842, 1476100, 69419609, 20108399, 71688177, 569671280, 1313896977, 6962279493

Basic calculations (n = 12981806)

Multiplication

n×y

n×2	25963612
n×3	38945418
n×4	51927224
n×5	64909030

Division

n÷y

n÷2	6490903
n÷3	4327268.6666667
n÷3	3245451.5
n÷5	2596361.2

Exponentiation

n^y

n²	168527287021636
n³	2.1877885458212E+21
n⁴	2.8401446470873E+28
n⁵	3.6870206820426E+35

Nth Root

^y√n

²√n	3603.0273382255
³√n	235.02372478145
⁴√n	60.025222517084
⁵√n	26.46470290635

Divisors of 12981806

1, 2, 6490903, 12981806

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	-12981805	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 12981806 can be divided by 4 positive divisors. The sum of these divisors (counting 12981806) is 1, the average is 0.25.

Base conversion 12981806

Base	System	Value
2	Binary	110001100001011000101110
3	Ternary	220102112200122
4	Quaternary	301201120232
5	Quinary	11310404211
6	Senary	1142124542
8	Octal	61413056
10	Decimal	12981806
12	Duodecimal	4420752
16	Hexadecimal	c6162e
20	Vigesimal	412ea6
36	Base36	7q8tq

Cryptographic Hash Functions

md5	2ef5cceec25b10c73ef9f762244b3421
sha1	95cfe414132dceb0f9832356ff46a863ab429945
sha256	7eb74976b1191339f64bd64cb7227631f8af1e10e3a89f56a31be2be0b55e8e7
sha512	59bdb597b5889b52b1c5a491649ea064ff88110b845bb5e061479c725fdedacaa3dbda167271e724d950f4c5fe234c942e23a6b30e7f6fa91992f9b585425914
ripemd-160	2dd6f7f683727b4e3d4df02e655b87a84162eb92

12981806 as geometric shapes

Circle

Radius = n

Diameter	25963612
Circumference	81567092.719856
Area	5.2944408683659E+14

Sphere

Radius = n

Volume	9.1641872308797E+21
Surface area	2.1177763473464E+15
Circumference	81567092.719856

Square

Length = n

Perimeter	51927224
Area	168527287021636
Diagonal	18359046.109296

Cube

Length = n

Surface area	1011163722129816
Volume	2.1877885458212E+21
Space diagonal	22485147.566002

Equilateral Triangle

Length = n

Perimeter	38945418
Area	72974455895804
Altitude	11242573.783001

Triangular Pyramid

Length = n

Surface area	72974455895804
Volume	2.5783335275874E+20
Height	6119682.0364321