12921887 (number)

12921887 is an odd 8-digits composite number following 12921886 and preceding 12921888. In scientific notation, it is written as 1.2921887 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 10792320 positive integers (up to 12921887) that are relatively prime to 12921887.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2921887 × 10^7
Engineering notation 1.2921887 × 10^6

Prime Factorization of 12921887

Prime Factorization 17 × 473 × 1607

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12921887
Product of the distinct prime numbers

The prime factorization of 12921887 is 17 × 473 × 1607. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12921887)

Multiplication

n×y
n×2 25843774
n×3 38765661
n×4 51687548
n×5 64609435

Division

n÷y
n÷2 6460943.5
n÷3 4307295.6666667
n÷3 3230471.75
n÷5 2584377.4

Exponentiation

ny
n2 166975163640769
n3 2.1576341963725E+21
n4 2.7880705272862E+28
n5 3.6027132301622E+35

Nth Root

y√n
2√n 3594.7026302603
3√n 234.66157412797
4√n 59.955839000553
5√n 26.44022750855

Divisors of 12921887

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 -12921886
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 12921887 can be divided by 8 positive divisors. The sum of these divisors (counting 12921887) is 1, the average is 0.125.

Base conversion 12921887

Base System Value
2 Binary 110001010010110000011111
3 Ternary 220022111111102
4 Quaternary 301102300133
5 Quinary 11302000022
6 Senary 1140543315
8 Octal 61226037
10 Decimal 12921887
12 Duodecimal 43b1b3b
16 Hexadecimal c52c1f
20 Vigesimal 40f4e7
36 Base36 7oylb

Cryptographic Hash Functions

md5 bd40de8ca97e32f7209b9f867205aac3
sha1 2606c46fb7116de118d0e00fcabce1436e41792e
sha256 5a7f22b33e3fc98c0b6e60c881ebe91706bb8aced3d412eabe3b55ef7a9b87a8
sha512 3740a71a67c0dc1fbcdb0df51dead7e8d456dcf44b50cdae8e291edee4e111e650930fcfb66cedf4a7ef8fbb177dee432cfe5e4d25fe9ded74239baeee54dafb
ripemd-160 1e4f7d38ae771ebf6c5ffd9933422eaa9a2a36b4

12921887 as geometric shapes

Circle

Radius = n
Diameter 25843774
Circumference 81190610.539435
Area 5.2456794742579E+14

Sphere

Radius = n
Volume 9.0378769872774E+21
Surface area 2.0982717897032E+15
Circumference 81190610.539435

Square

Length = n
Perimeter 51687548
Area 166975163640769
Diagonal 18274307.846853

Cube

Length = n
Surface area 1001850981844614
Volume 2.1576341963725E+21
Space diagonal 22381364.813664

Equilateral Triangle

Length = n
Perimeter 38765661
Area 72302366756985
Altitude 11190682.406832

Triangular Pyramid

Length = n
Surface area 72302366756985
Volume 2.5427962859583E+20
Height 6091435.9489509