12985218 (number)

12985218 is an even 8-digits composite number following 12985217 and preceding 12985219. In scientific notation, it is written as 1.2985218 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 4188240 positive integers (up to 12985218) that are relatively prime to 12985218.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-five thousand two hundred eighteen

Notation

Scientific notation 1.2985218 × 10^7
Engineering notation 1.2985218 × 10^6

Prime Factorization of 12985218

Prime Factorization 2 × 3 × 9 × 31 × 7757

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 12985218
Product of the distinct prime numbers

The prime factorization of 12985218 is 2 × 3 × 9 × 31 × 7757. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 10, 2, 65, 500, 56, 9978, 2383, 53496, 5691, 737147, 232084, 8956502, 7254190, 21137766, 55587050, 426796228, 689840030, 9970790489, 7567978434

Basic calculations (n = 12985218)

Multiplication

n×y
n×2 25970436
n×3 38955654
n×4 51940872
n×5 64926090

Division

n÷y
n÷2 6492609
n÷3 4328406
n÷3 3246304.5
n÷5 2597043.6

Exponentiation

ny
n2 168615886507524
n3 2.1895140445635E+21
n4 2.8431317182718E+28
n5 3.6918685164474E+35

Nth Root

y√n
2√n 3603.5007978353
3√n 235.04431335762
4√n 60.029166226388
5√n 26.466093900402

Divisors of 12985218

1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 93, 186, 279, 558, 837, 1674, 7757, 15514, 23271, 46542, 69813, 139626, 209439, 240467, 418878, 480934, 721401, 1442802, 2164203, 4328406, 6492609, 12985218

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12985217
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12985218 can be divided by 32 positive divisors. The sum of these divisors (counting 12985218) is 1, the average is 0.03125.

Base conversion 12985218

Base System Value
2 Binary 110001100010001110000010
3 Ternary 220102201101000
4 Quaternary 301202032002
5 Quinary 11311011333
6 Senary 1142152430
8 Octal 61421602
10 Decimal 12985218
12 Duodecimal 4422716
16 Hexadecimal c62382
20 Vigesimal 41330i
36 Base36 7qbgi

Cryptographic Hash Functions

md5 93c72a2332ec10503bb0d99c5beecfe9
sha1 923183055b3666e2936626ab7d8e2d40be1349ac
sha256 14eff623f20667c9e5ce553e99aee538feafd114dc3b04f852761e010ecd0bb6
sha512 c1f070a4558c72f74727b177b621c08f63d8ebc6200c7d1a508d2ca807ee93e64e708b9988c0e1a1cf675b7f631c818787f730d5afbf27e7f3fe1332d0ce9dee
ripemd-160 2f238236f4a64c2f575675d79ac8ccb6865c28f7

12985218 as geometric shapes

Circle

Radius = n
Diameter 25970436
Circumference 81588530.948124
Area 5.2972243033057E+14

Sphere

Radius = n
Volume 9.1714149831096E+21
Surface area 2.1188897213223E+15
Circumference 81588530.948124

Square

Length = n
Perimeter 51940872
Area 168615886507524
Diagonal 18363871.405971

Cube

Length = n
Surface area 1011695319045144
Volume 2.1895140445635E+21
Space diagonal 22491057.323358

Equilateral Triangle

Length = n
Perimeter 38955654
Area 73012820598575
Altitude 11245528.661679

Triangular Pyramid

Length = n
Surface area 73012820598575
Volume 2.5803670473567E+20
Height 6121290.4686571