12986721 (number)

12986721 is an odd 8-digits composite number following 12986720 and preceding 12986722. In scientific notation, it is written as 1.2986721 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 7823040 positive integers (up to 12986721) that are relatively prime to 12986721.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-six thousand seven hundred twenty-one

Notation

Scientific notation 1.2986721 × 10^7
Engineering notation 1.2986721 × 10^6

Prime Factorization of 12986721

Prime Factorization 9 × 11 × 233 × 563

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12986721
Product of the distinct prime numbers

The prime factorization of 12986721 is 9 × 11 × 233 × 563. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12986721)

Multiplication

n×y
n×2 25973442
n×3 38960163
n×4 51946884
n×5 64933605

Division

n÷y
n÷2 6493360.5
n÷3 4328907
n÷3 3246680.25
n÷5 2597344.2

Exponentiation

ny
n2 168654922331841
n3 2.1902744216003E+21
n4 2.8444482826759E+28
n5 3.6940056246041E+35

Nth Root

y√n
2√n 3603.7093390006
3√n 235.05338156563
4√n 60.03090319994
5√n 26.466706546221

Divisors of 12986721

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12986720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12986721 can be divided by 16 positive divisors. The sum of these divisors (counting 12986721) is 1, the average is 0.0625.

Base conversion 12986721

Base System Value
2 Binary 110001100010100101100001
3 Ternary 220102210102200
4 Quaternary 301202211201
5 Quinary 11311033341
6 Senary 1142203413
8 Octal 61424541
10 Decimal 12986721
12 Duodecimal 4423569
16 Hexadecimal c62961
20 Vigesimal 4136g1
36 Base36 7qcm9

Cryptographic Hash Functions

md5 30f0377b2dc770652983be04201d27ea
sha1 65d5a734c52e9c8fda5b644183b7779cad9e8346
sha256 27ed127e8a5db16e522e76e57d5115924845e3f3c5d8ffc6b863d449402412ae
sha512 fe57704d62e1472a8ed5a6e5989d6a3c372bfd0d57f7427d3b90c5e7d941390ab2f7c05dedc07230bc06062730f33b10c144f4272598cb04ba72dcbe41f63670
ripemd-160 c8bd274854f71fc5c046ce56c734023282119985

12986721 as geometric shapes

Circle

Radius = n
Diameter 25973442
Circumference 81597974.575641
Area 5.2984506498947E+14

Sphere

Radius = n
Volume 9.1746000429935E+21
Surface area 2.1193802599579E+15
Circumference 81597974.575641

Square

Length = n
Perimeter 51946884
Area 168654922331841
Diagonal 18365996.968955

Cube

Length = n
Surface area 1011929533991046
Volume 2.1902744216003E+21
Space diagonal 22493660.595722

Equilateral Triangle

Length = n
Perimeter 38960163
Area 73029723606333
Altitude 11246830.297861

Triangular Pyramid

Length = n
Surface area 73029723606333
Volume 2.5812631602883E+20
Height 6121998.9896518