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

12978981 (number)

12978981 is an odd 8-digits composite number following 12978980 and preceding 12978982. In scientific notation, it is written as 1.2978981 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 8615664 positive integers (up to 12978981) that are relatively prime to 12978981.

Interesting facts

12978981 has 8 divisors, whose sum is 13517280
The reverse of 12978981 is 18987921
Previous prime number is 269

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

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

Notation

Scientific notation	1.2978981 × 10^7
Engineering notation	1.2978981 × 10^6

Prime Factorization of 12978981

Prime Factorization 27 × 269 × 1787

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	12978981	Product of the distinct prime numbers

The prime factorization of 12978981 is 27 × 269 × 1787. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 8, 31, 56, 327, 344, 8675, 2135, 32668, 56272, 677639, 455155, 9333080, 2052465, 54911067, 75136032, 963581601, 280305623, 3413014797, 9906091680

Basic calculations (n = 12978981)

Multiplication

n×y

n×2	25957962
n×3	38936943
n×4	51915924
n×5	64894905

Division

n÷y

n÷2	6489490.5
n÷3	4326327
n÷3	3244745.25
n÷5	2595796.2

Exponentiation

n^y

n²	168453947798361
n³	2.1863605878499E+21
n⁴	2.8376732528853E+28
n⁵	3.6830107233406E+35

Nth Root

^y√n

²√n	3602.6352854542
³√n	235.00667553091
⁴√n	60.021956694648
⁵√n	26.463550997374

Divisors of 12978981

1, 27, 269, 1787, 7263, 48249, 480703, 12978981

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	-12978980	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 12978981 can be divided by 8 positive divisors. The sum of these divisors (counting 12978981) is 1, the average is 0.125.

Base conversion 12978981

Base	System	Value
2	Binary	110001100000101100100101
3	Ternary	220102101211000
4	Quaternary	301200230211
5	Quinary	11310311411
6	Senary	1142103513
8	Octal	61405445
10	Decimal	12978981
12	Duodecimal	441ab99
16	Hexadecimal	c60b25
20	Vigesimal	412791
36	Base36	7q6n9

Cryptographic Hash Functions

md5	e417fe27a185da48a5c46a181e6188d9
sha1	00e98e458ed13f0ab9ab1b0eac5f105c081780d7
sha256	866cd56e6e8fee71335b74f76357fb9a5612f694422401747955732cdee94ded
sha512	23540dcf1654c1718a0dbba32f04e5110213c4520b1951b192b56561d1df829b1de2ad19836a28252a3df0844bc8a1a77c71c5d1d4670a6dfa28cf2b25b2269e
ripemd-160	6b6a5aa35c7f48f3db24aeff82cf1773439727b1

12978981 as geometric shapes

Circle

Radius = n

Diameter	25957962
Circumference	81549342.721363
Area	5.2921368487153E+14

Sphere

Radius = n

Volume	9.1582058145168E+21
Surface area	2.1168547394861E+15
Circumference	81549342.721363

Square

Length = n

Perimeter	51915924
Area	168453947798361
Diagonal	18355050.955983

Cube

Length = n

Surface area	1010723686790166
Volume	2.1863605878499E+21
Space diagonal	22480254.522471

Equilateral Triangle

Length = n

Perimeter	38936943
Area	72942699080579
Altitude	11240127.261236

Triangular Pyramid

Length = n

Surface area	72942699080579
Volume	2.5766506629795E+20
Height	6118350.3186609