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

12987813 (number)

12987813 is an odd 8-digits composite number following 12987812 and preceding 12987814. In scientific notation, it is written as 1.2987813 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 8149184 positive integers (up to 12987813) that are relatively prime to 12987813.

Interesting facts

12987813 has 8 divisors, whose sum is 18335808
The reverse of 12987813 is 31878921
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3

Name

Name	twelve million nine hundred eighty-seven thousand eight hundred thirteen

Notation

Scientific notation	1.2987813 × 10^7
Engineering notation	1.2987813 × 10^6

Prime Factorization of 12987813

Prime Factorization 17 × 3 × 254663

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12987813	Product of the distinct prime numbers

The prime factorization of 12987813 is 17 × 3 × 254663. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 81, 12, 95, 361, 1965, 2707, 83521, 61357, 377597, 77924, 8207160, 7383587, 72859254, 13935369, 478608070, 4849174, 5733955776, 2485994231

Basic calculations (n = 12987813)

Multiplication

n×y

n×2	25975626
n×3	38963439
n×4	51951252
n×5	64939065

Division

n÷y

n÷2	6493906.5
n÷3	4329271
n÷3	3246953.25
n÷5	2597562.6

Exponentiation

n^y

n²	168683286522969
n³	2.1908269815857E+21
n⁴	2.845405115219E+28
n⁵	3.6955589545708E+35

Nth Root

^y√n

²√n	3603.8608463702
³√n	235.05996960528
⁴√n	60.032165098139
⁵√n	26.467151626569

Divisors of 12987813

1, 3, 17, 51, 254663, 763989, 4329271, 12987813

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	-12987812	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 12987813 can be divided by 8 positive divisors. The sum of these divisors (counting 12987813) is 1, the average is 0.125.

Base conversion 12987813

Base	System	Value
2	Binary	110001100010110110100101
3	Ternary	220102211221010
4	Quaternary	301202312211
5	Quinary	11311102223
6	Senary	1142212433
8	Octal	61426645
10	Decimal	12987813
12	Duodecimal	4424119
16	Hexadecimal	c62da5
20	Vigesimal	4139ad
36	Base36	7qdgl

Cryptographic Hash Functions

md5	8a1e78ac0f0a23fbaa2b3d8515102b3f
sha1	0fd024fbf77e492323d3fb1cfd2335efa42b1d88
sha256	4e5f0c603eff3a77c9c8986bc70962eb8e520d3b64511e360087a3a62202a986
sha512	fdd6b9a6e2c4cf3f9494ac041620cd429957516fd8de073a254cd17c69bc7e7e2c8fea7d3e808fa3bf06a2ef102e09c0d14a5427f2d6db655a7e39b208ec039f
ripemd-160	9b00e0dc72d857c1c41436efba15fb58b0303ef8

12987813 as geometric shapes

Circle

Radius = n

Diameter	25975626
Circumference	81604835.813996
Area	5.2993417372394E+14

Sphere

Radius = n

Volume	9.1769146008481E+21
Surface area	2.1197366948958E+15
Circumference	81604835.813996

Square

Length = n

Perimeter	51951252
Area	168683286522969
Diagonal	18367541.290166

Cube

Length = n

Surface area	1012099719137814
Volume	2.1908269815857E+21
Space diagonal	22495551.995204

Equilateral Triangle

Length = n

Perimeter	38963439
Area	73042005661370
Altitude	11247775.997602

Triangular Pyramid

Length = n

Surface area	73042005661370
Volume	2.5819143584762E+20
Height	6122513.7633885