12981312 (number)

12981312 is an even 8-digits composite number following 12981311 and preceding 12981313. In scientific notation, it is written as 1.2981312 × 10^7. The sum of its digits is 27. It has a total of 10 prime factors and 84 positive divisors. There are 4181760 positive integers (up to 12981312) that are relatively prime to 12981312.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2981312 × 10^7
Engineering notation 1.2981312 × 10^6

Prime Factorization of 12981312

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 31 × 727

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 135222
Product of the distinct prime numbers

The prime factorization of 12981312 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 31 × 727. Since it has a total of 10 prime factors.

Most popular turbo-numbers

9, 8, 32, 70, 727, 433, 5391, 4644, 32669, 69910, 124753, 529256, 4136619, 320212, 71720972, 29148434, 315259451, 277344900, 7082639556, 7130996074

Basic calculations (n = 12981312)

Multiplication

n×y
n×2 25962624
n×3 38943936
n×4 51925248
n×5 64906560

Division

n÷y
n÷2 6490656
n÷3 4327104
n÷3 3245328
n÷5 2596262.4

Exponentiation

ny
n2 168514461241344
n3 2.1875387978858E+21
n4 2.839712364746E+28
n5 3.6863192197026E+35

Nth Root

y√n
2√n 3602.9587841106
3√n 235.02074360423
4√n 60.02465147013
5√n 26.464501489655

Divisors of 12981312

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 144, 186, 192, 248, 279, 288, 372, 496, 558, 576, 727, 744, 992, 1116, 1454, 1488, 1984, 2181, 2232, 2908, 2976, 4362, 4464, 5816, 5952, 6543, 8724, 8928, 11632, 13086, 17448, 17856, 22537, 23264, 26172, 34896, 45074, 46528, 52344, 67611, 69792, 90148, 104688, 135222, 139584, 180296, 202833, 209376, 270444, 360592, 405666, 418752, 540888, 721184, 811332, 1081776, 1442368, 1622664, 2163552, 3245328, 4327104, 6490656, 12981312

84 divisors

τ Total Divisors 84
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12981311
Sum of the proper positive divisors of n
A Arithmetic Mean 0.011904761904762
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 84
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12981312 can be divided by 84 positive divisors. The sum of these divisors (counting 12981312) is 1, the average is 0.011904761904762.

Base conversion 12981312

Base System Value
2 Binary 110001100001010001000000
3 Ternary 220102112000100
4 Quaternary 301201101000
5 Quinary 11310400222
6 Senary 1142122400
8 Octal 61412100
10 Decimal 12981312
12 Duodecimal 4420400
16 Hexadecimal c61440
20 Vigesimal 412d5c
36 Base36 7q8g0

Cryptographic Hash Functions

md5 9c75536d72aa7533b9abc36618463a49
sha1 c5aee0f996ec48bfa5848dbc0341a081469799a5
sha256 67ad755d96b33e9af54005cd0da29bc23dbcd4ba135cca52174a49f6ad748afb
sha512 1d6af515d337ac31d5b6d976a52ef642cb6412d77748282a85cf3c493a2c701dcc5322c4ba934b7ea2af26593cc8236411417fbe3fa4a330dbad93e6094e9f27
ripemd-160 3c37fdfcf80eff79ad4d943c978c1fc8134d0074

12981312 as geometric shapes

Circle

Radius = n
Diameter 25962624
Circumference 81563988.826314
Area 5.2940379345945E+14

Sphere

Radius = n
Volume 9.1631410891742E+21
Surface area 2.1176151738378E+15
Circumference 81563988.826314

Square

Length = n
Perimeter 51925248
Area 168514461241344
Diagonal 18358347.487797

Cube

Length = n
Surface area 1011086767448064
Volume 2.1875387978858E+21
Space diagonal 22484291.932904

Equilateral Triangle

Length = n
Perimeter 38943936
Area 72968902170026
Altitude 11242145.966452

Triangular Pyramid

Length = n
Surface area 72968902170026
Volume 2.5780391968229E+20
Height 6119449.1625989