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

12981904 (number)

12981904 is an even 8-digits composite number following 12981903 and preceding 12981905. In scientific notation, it is written as 1.2981904 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 5990400 positive integers (up to 12981904) that are relatively prime to 12981904.

Interesting facts

12981904 has 20 divisors, whose sum is 25306540
The reverse of 12981904 is 40918921
Previous prime number is 169

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7

Name

Name	twelve million nine hundred eighty-one thousand nine hundred four

Notation

Scientific notation	1.2981904 × 10^7
Engineering notation	1.2981904 × 10^6

Prime Factorization of 12981904

Prime Factorization 2 × 2 × 2 × 2 × 169 × 4801

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	1622738	Product of the distinct prime numbers

The prime factorization of 12981904 is 2 × 2 × 2 × 2 × 169 × 4801. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 2, 19, 16, 741, 737, 7122, 5407, 46520, 71906, 977335, 831272, 6095019, 3318268, 9608038, 19753257, 665062110, 501209687, 7252873377, 6348173516

Basic calculations (n = 12981904)

Multiplication

n×y

n×2	25963808
n×3	38945712
n×4	51927616
n×5	64909520

Division

n÷y

n÷2	6490952
n÷3	4327301.3333333
n÷3	3245476
n÷5	2596380.8

Exponentiation

n^y

n²	168529831465216
n³	2.1878380932176E+21
n⁴	2.8402304093694E+28
n⁵	3.6871598512314E+35

Nth Root

^y√n

²√n	3603.0409378746
³√n	235.02431618009
⁴√n	60.025335799765
⁵√n	26.464742862779

Divisors of 12981904

1, 2, 4, 8, 16, 169, 338, 676, 1352, 2704, 4801, 9602, 19204, 38408, 76816, 811369, 1622738, 3245476, 6490952, 12981904

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-12981903	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981904 can be divided by 20 positive divisors. The sum of these divisors (counting 12981904) is 1, the average is 0.05.

Base conversion 12981904

Base	System	Value
2	Binary	110001100001011010010000
3	Ternary	220102112211021
4	Quaternary	301201122100
5	Quinary	11310410104
6	Senary	1142125224
8	Octal	61413220
10	Decimal	12981904
12	Duodecimal	4420814
16	Hexadecimal	c61690
20	Vigesimal	412ef4
36	Base36	7q8wg

Cryptographic Hash Functions

md5	f2951fcf28fa6ae76cda674933abdf96
sha1	08ea5cd572e045e3dc5e2a10b5b8cfc9b36115bc
sha256	5ce7b9271c2d37d46e5c7fb87193f644dc183fa9a671c65978ee1d1d8ed793a5
sha512	6266bb334f5a66630d889f71aa0a19bd18ae3d45241b449a7bc31de0b7902530c9eb1e4ead4b0108dbfab5a4c57f29120378e30d8db462d1b0fafa971fb3851c
ripemd-160	4db2925d72bad340e078efead251f0925fb5d0c3

12981904 as geometric shapes

Circle

Radius = n

Diameter	25963808
Circumference	81567708.472016
Area	5.2945208044185E+14

Sphere

Radius = n

Volume	9.1643947745285E+21
Surface area	2.1178083217674E+15
Circumference	81567708.472016

Square

Length = n

Perimeter	51927616
Area	168529831465216
Diagonal	18359184.702226

Cube

Length = n

Surface area	1011178988791296
Volume	2.1878380932176E+21
Space diagonal	22485317.306982

Equilateral Triangle

Length = n

Perimeter	38945712
Area	72975557672194
Altitude	11242658.653491

Triangular Pyramid

Length = n

Surface area	72975557672194
Volume	2.578391919754E+20
Height	6119728.2340752