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

12912981 (number)

12912981 is an odd 8-digits composite number following 12912980 and preceding 12912982. In scientific notation, it is written as 1.2912981 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 8608652 positive integers (up to 12912981) that are relatively prime to 12912981.

Interesting facts

12912981 has 4 divisors, whose sum is 17217312
The reverse of 12912981 is 18921921
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

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

Notation

Scientific notation	1.2912981 × 10^7
Engineering notation	1.2912981 × 10^6

Prime Factorization of 12912981

Prime Factorization 3 × 4304327

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	12912981	Product of the distinct prime numbers

The prime factorization of 12912981 is 3 × 4304327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 2, 2, 78, 302, 857, 9031, 2726, 51975, 81553, 717686, 789021, 7578762, 190349, 28885528, 49855460, 713244237, 331978735, 4153147844, 5141066449

Basic calculations (n = 12912981)

Multiplication

n×y

n×2	25825962
n×3	38738943
n×4	51651924
n×5	64564905

Division

n÷y

n÷2	6456490.5
n÷3	4304327
n÷3	3228245.25
n÷5	2582596.2

Exponentiation

n^y

n²	166745078306361
n³	2.1531760280136E+21
n⁴	2.7803921139394E+28
n⁵	3.590315053985E+35

Nth Root

^y√n

²√n	3593.4636494613
³√n	234.60765072667
⁴√n	59.94550566524
⁵√n	26.436581886034

Divisors of 12912981

1, 3, 4304327, 12912981

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	-12912980	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 12912981 can be divided by 4 positive divisors. The sum of these divisors (counting 12912981) is 1, the average is 0.25.

Base conversion 12912981

Base	System	Value
2	Binary	110001010000100101010101
3	Ternary	220022001021120
4	Quaternary	301100211111
5	Quinary	11301203411
6	Senary	1140434153
8	Octal	61204525
10	Decimal	12912981
12	Duodecimal	43a8959
16	Hexadecimal	c50955
20	Vigesimal	40e291
36	Base36	7orpx

Cryptographic Hash Functions

md5	09704c15c9ca8a65b986563dc91ea0ac
sha1	c4c4bb68e555a945d1864f01ddc97754234ab37f
sha256	ed0cab432355f367b02af6e9377241d59d6d8817a0b6c508155bbea3643b5968
sha512	5f6356a4975981c503fe62be01e8e7976c0e208d13029eb72fac4910a93ee2b8f0ccc49b071bec1aaaab8e27efd3847d49a580d2c201ca4c5de38059b984ee77
ripemd-160	c5d855940e3501fe25a19b354772546b10aace55

12912981 as geometric shapes

Circle

Radius = n

Diameter	25825962
Circumference	81134652.491089
Area	5.2384511302952E+14

Sphere

Radius = n

Volume	9.019202655324E+21
Surface area	2.0953804521181E+15
Circumference	81134652.491089

Square

Length = n

Perimeter	51651924
Area	166745078306361
Diagonal	18261712.860866

Cube

Length = n

Surface area	1000470469838166
Volume	2.1531760280136E+21
Space diagonal	22365939.169172

Equilateral Triangle

Length = n

Perimeter	38738943
Area	72202736884667
Altitude	11182969.584586

Triangular Pyramid

Length = n

Surface area	72202736884667
Volume	2.5375422841612E+20
Height	6087237.6202887