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

12981645 (number)

12981645 is an odd 8-digits composite number following 12981644 and preceding 12981646. In scientific notation, it is written as 1.2981645 × 10^7. The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors. There are 6923520 positive integers (up to 12981645) that are relatively prime to 12981645.

Interesting facts

12981645 has 4 divisors, whose sum is 13270172
The reverse of 12981645 is 54618921
Previous prime number is 45

Basic properties

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

Name

Name	twelve million nine hundred eighty-one thousand six hundred forty-five

Notation

Scientific notation	1.2981645 × 10^7
Engineering notation	1.2981645 × 10^6

Prime Factorization of 12981645

Prime Factorization 45 × 288481

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12981645	Product of the distinct prime numbers

The prime factorization of 12981645 is 45 × 288481. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 42, 3, 851, 403, 4347, 2283, 31234, 57385, 364456, 205891, 4773418, 8050566, 48883927, 11291259, 255682943, 627436992, 5690326360, 7482171155

Basic calculations (n = 12981645)

Multiplication

n×y

n×2	25963290
n×3	38944935
n×4	51926580
n×5	64908225

Division

n÷y

n÷2	6490822.5
n÷3	4327215
n÷3	3245411.25
n÷5	2596329

Exponentiation

n^y

n²	168523106906025
n³	2.1877071481511E+21
n⁴	2.840003756126E+28
n⁵	3.6867920560694E+35

Nth Root

^y√n

²√n	3603.0049958333
³√n	235.02275319152
⁴√n	60.02503640843
⁵√n	26.464637263121

Divisors of 12981645

1, 45, 288481, 12981645

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	-12981644	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 12981645 can be divided by 4 positive divisors. The sum of these divisors (counting 12981645) is 1, the average is 0.25.

Base conversion 12981645

Base	System	Value
2	Binary	110001100001010110001101
3	Ternary	220102112110200
4	Quaternary	301201112031
5	Quinary	11310403040
6	Senary	1142124113
8	Octal	61412615
10	Decimal	12981645
12	Duodecimal	4420639
16	Hexadecimal	c6158d
20	Vigesimal	412e25
36	Base36	7q8p9

Cryptographic Hash Functions

md5	f5b598812aa3ccd95e97fcd2621a0d1f
sha1	91c5e371ef5d2215777fef549842cb63a4746739
sha256	f8806c69f579eaac280c271cd71e9fdd8c27bd0454c0ad748fc2bf5a89de66b0
sha512	3278aa1993630b55c1029c962fef04983ff729c67affa8abd6e0294e24dd80296e2a8f0e486f41d497f485b0160acc6d6aadb75758cc00f4fb53f905d84811c7
ripemd-160	b4505698bb6ab0101e2653384bde324e2b6e5911

12981645 as geometric shapes

Circle

Radius = n

Diameter	25963290
Circumference	81566081.127021
Area	5.294309546161E+14

Sphere

Radius = n

Volume	9.1638462731163E+21
Surface area	2.1177238184644E+15
Circumference	81566081.127021

Square

Length = n

Perimeter	51926580
Area	168523106906025
Diagonal	18358818.420913

Cube

Length = n

Surface area	1011138641436150
Volume	2.1877071481511E+21
Space diagonal	22484868.705822

Equilateral Triangle

Length = n

Perimeter	38944935
Area	72972645852649
Altitude	11242434.352911

Triangular Pyramid

Length = n

Surface area	72972645852649
Volume	2.5782375995132E+20
Height	6119606.1403043