12721881 (number)

12721881 is an odd 8-digits composite number following 12721880 and preceding 12721882. In scientific notation, it is written as 1.2721881 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 8481252 positive integers (up to 12721881) that are relatively prime to 12721881.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2721881 × 10^7
Engineering notation 1.2721881 × 10^6

Prime Factorization of 12721881

Prime Factorization 3 × 4240627

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12721881
Product of the distinct prime numbers

The prime factorization of 12721881 is 3 × 4240627. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 25, 92, 605, 418, 4844, 1539, 40976, 43560, 348678, 705165, 1032008, 606775, 76589838, 18586189, 41019960, 23781669, 8925008787, 8342903577

Basic calculations (n = 12721881)

Multiplication

n×y
n×2 25443762
n×3 38165643
n×4 50887524
n×5 63609405

Division

n÷y
n÷2 6360940.5
n÷3 4240627
n÷3 3180470.25
n÷5 2544376.2

Exponentiation

ny
n2 161846256178161
n3 2.0589888113941E+21
n4 2.6194210638887E+28
n5 3.3323963063685E+35

Nth Root

y√n
2√n 3566.7745933827
3√n 233.4445698645
4√n 59.722479799341
5√n 26.357867215022

Divisors of 12721881

1, 3, 4240627, 12721881

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 -12721880
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 12721881 can be divided by 4 positive divisors. The sum of these divisors (counting 12721881) is 1, the average is 0.25.

Base conversion 12721881

Base System Value
2 Binary 110000100001111011011001
3 Ternary 212221100010210
4 Quaternary 300201323121
5 Quinary 11224100011
6 Senary 1132401333
8 Octal 60417331
10 Decimal 12721881
12 Duodecimal 4316249
16 Hexadecimal c21ed9
20 Vigesimal 3ja4e1
36 Base36 7ko9l

Cryptographic Hash Functions

md5 c72b12e2ad9c848bc8e66c5c9db617e2
sha1 cf20fc3a6062294db7f455c8c90ef5227c581fb9
sha256 828dd7fa81325c008d327e4fb6ea3a35827e079510ebe504bf9ec3d2d8fc42b3
sha512 6a09e417926204fe8e3015b07e9522895b22e0094ef1909bc9a1520cd896f79ca78c79027386296d24bef6c56c437b68cd8c79175c9726035f1f934ff86f0df0
ripemd-160 23afa015364b17ff040452045baab97b2d4258ce

12721881 as geometric shapes

Circle

Radius = n
Diameter 25443762
Circumference 79933935.778887
Area 5.0845500942032E+14

Sphere

Radius = n
Volume 8.6246721649323E+21
Surface area 2.0338200376813E+15
Circumference 79933935.778887

Square

Length = n
Perimeter 50887524
Area 161846256178161
Diagonal 17991456.649097

Cube

Length = n
Surface area 971077537068966
Volume 2.0589888113941E+21
Space diagonal 22034944.259845

Equilateral Triangle

Length = n
Perimeter 38165643
Area 70081484678846
Altitude 11017472.129923

Triangular Pyramid

Length = n
Surface area 70081484678846
Volume 2.4265415848733E+20
Height 5997152.2163655