12721864 (number)

12721864 is an even 8-digits composite number following 12721863 and preceding 12721865. In scientific notation, it is written as 1.2721864 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors. There are 6360928 positive integers (up to 12721864) that are relatively prime to 12721864.

Interesting facts

Basic properties

Name

Name twelve million seven hundred twenty-one thousand eight hundred sixty-four

Notation

Scientific notation 1.2721864 × 10^7
Engineering notation 1.2721864 × 10^6

Prime Factorization of 12721864

Prime Factorization 2 × 2 × 2 × 1590233

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 3180466
Product of the distinct prime numbers

The prime factorization of 12721864 is 2 × 2 × 2 × 1590233. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12721864)

Multiplication

n×y
n×2 25443728
n×3 38165592
n×4 50887456
n×5 63609320

Division

n÷y
n÷2 6360932
n÷3 4240621.3333333
n÷3 3180466
n÷5 2544372.8

Exponentiation

ny
n2 161845823634496
n3 2.058980557246E+21
n4 2.6194070627928E+28
n5 3.332374041349E+35

Nth Root

y√n
2√n 3566.7722102764
3√n 233.44446588199
4√n 59.722459847836
5√n 26.357860170718

Divisors of 12721864

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 -12721863
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 12721864 can be divided by 8 positive divisors. The sum of these divisors (counting 12721864) is 1, the average is 0.125.

Base conversion 12721864

Base System Value
2 Binary 110000100001111011001000
3 Ternary 212221100010011
4 Quaternary 300201323020
5 Quinary 11224044424
6 Senary 1132401304
8 Octal 60417310
10 Decimal 12721864
12 Duodecimal 4316234
16 Hexadecimal c21ec8
20 Vigesimal 3ja4d4
36 Base36 7ko94

Cryptographic Hash Functions

md5 dd8bc95afa43a33f0d0a2cd9dd97af4e
sha1 0887e15334f36585c4e2314a488e29c773d38da7
sha256 eee0de4e3c7a319216b646f7fcb2be68937fb8fbe9edebd8cbb6324beea29a8a
sha512 79797806d3f2b5307834c1dd0d052d6b849669627e162715475c0ff27422f0b8759fcddfd03bb205b51c39bd611c3a8104ac3808d170ab9a334aafc178e6638c
ripemd-160 933bdf6e33bd39c0fe5ee2345a6891e2196b6fca

12721864 as geometric shapes

Circle

Radius = n
Diameter 25443728
Circumference 79933828.964737
Area 5.0845365054432E+14

Sphere

Radius = n
Volume 8.6246375900379E+21
Surface area 2.0338146021773E+15
Circumference 79933828.964737

Square

Length = n
Perimeter 50887456
Area 161845823634496
Diagonal 17991432.607466

Cube

Length = n
Surface area 971074941806976
Volume 2.058980557246E+21
Space diagonal 22034914.814981

Equilateral Triangle

Length = n
Perimeter 38165592
Area 70081297381945
Altitude 11017457.407491

Triangular Pyramid

Length = n
Surface area 70081297381945
Volume 2.4265318572666E+20
Height 5997144.2024887