12721871 (number)

12721871 is an odd 8-digits composite number following 12721870 and preceding 12721872. In scientific notation, it is written as 1.2721871 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 12657744 positive integers (up to 12721871) that are relatively prime to 12721871.

Interesting facts

Basic properties

Name

Name twelve million seven hundred twenty-one thousand eight hundred seventy-one

Notation

Scientific notation 1.2721871 × 10^7
Engineering notation 1.2721871 × 10^6

Prime Factorization of 12721871

Prime Factorization 199 × 63929

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12721871
Product of the distinct prime numbers

The prime factorization of 12721871 is 199 × 63929. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12721871)

Multiplication

n×y
n×2 25443742
n×3 38165613
n×4 50887484
n×5 63609355

Division

n÷y
n÷2 6360935.5
n÷3 4240623.6666667
n÷3 3180467.75
n÷5 2544374.2

Exponentiation

ny
n2 161846001740641
n3 2.0589839560102E+21
n4 2.6194128279432E+28
n5 3.3323832092838E+35

Nth Root

y√n
2√n 3566.7731915556
3√n 233.44450869833
4√n 59.722468063164
5√n 26.357863071315

Divisors of 12721871

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 -12721870
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 12721871 can be divided by 4 positive divisors. The sum of these divisors (counting 12721871) is 1, the average is 0.25.

Base conversion 12721871

Base System Value
2 Binary 110000100001111011001111
3 Ternary 212221100010102
4 Quaternary 300201323033
5 Quinary 11224044441
6 Senary 1132401315
8 Octal 60417317
10 Decimal 12721871
12 Duodecimal 431623b
16 Hexadecimal c21ecf
20 Vigesimal 3ja4db
36 Base36 7ko9b

Cryptographic Hash Functions

md5 de074ae1cd63a8b5be286359a0b9af25
sha1 4b8c009a700689b8c4d150c0eba1ae03dca793c9
sha256 70626a3d38e970292f475792cf7b3c8fa54245112532dc578de1edf8ae3d8a32
sha512 241ae9075c1006d82758ef70856c307f9fe8f52f7d2e05cfba93386aa0fe29ec5202b1b1a46fc0e0ef36e6d237d7fe4fd5ab1416926fc82ad866212d98a15102
ripemd-160 46015e034c622abc2be4c6860fc64d0bfffe5220

12721871 as geometric shapes

Circle

Radius = n
Diameter 25443742
Circumference 79933872.947034
Area 5.0845421008128E+14

Sphere

Radius = n
Volume 8.6246518267479E+21
Surface area 2.0338168403251E+15
Circumference 79933872.947034

Square

Length = n
Perimeter 50887484
Area 161846001740641
Diagonal 17991442.506961

Cube

Length = n
Surface area 971076010443846
Volume 2.0589839560102E+21
Space diagonal 22034926.939337

Equilateral Triangle

Length = n
Perimeter 38165613
Area 70081374504168
Altitude 11017463.469669

Triangular Pyramid

Length = n
Surface area 70081374504168
Volume 2.4265358627485E+20
Height 5997147.5023203