12921387 (number)

12921387 is an odd 8-digits composite number following 12921386 and preceding 12921388. In scientific notation, it is written as 1.2921387 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 8160840 positive integers (up to 12921387) that are relatively prime to 12921387.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2921387 × 10^7
Engineering notation 1.2921387 × 10^6

Prime Factorization of 12921387

Prime Factorization 57 × 226691

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12921387
Product of the distinct prime numbers

The prime factorization of 12921387 is 57 × 226691. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12921387)

Multiplication

n×y
n×2 25842774
n×3 38764161
n×4 51685548
n×5 64606935

Division

n÷y
n÷2 6460693.5
n÷3 4307129
n÷3 3230346.75
n÷5 2584277.4

Exponentiation

ny
n2 166962242003769
n3 2.1573837433184E+21
n4 2.7876390254925E+28
n5 3.6020162664692E+35

Nth Root

y√n
2√n 3594.6330828055
3√n 234.65854742089
4√n 59.955259008744
5√n 26.440022889544

Divisors of 12921387

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 -12921386
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 12921387 can be divided by 4 positive divisors. The sum of these divisors (counting 12921387) is 1, the average is 0.25.

Base conversion 12921387

Base System Value
2 Binary 110001010010101000101011
3 Ternary 220022110210220
4 Quaternary 301102220223
5 Quinary 11301441022
6 Senary 1140541123
8 Octal 61225053
10 Decimal 12921387
12 Duodecimal 43b17a3
16 Hexadecimal c52a2b
20 Vigesimal 40f397
36 Base36 7oy7f

Cryptographic Hash Functions

md5 0b421c3851e70b6f211f392d002db6ca
sha1 6d1ee61570220af5d3acf68b83ddaeb698519111
sha256 377bb2731ec7c4d38678982766c136d61f3f51d803f333aac09012d195274564
sha512 656c3f150fc22acec54cdf6adf5077906cf7db839737a57d2390d34e7d706b6c2de8a807ec9fe099d3aea082f9ef67c76e1dcf3091433156cf399ad6a2acd5ff
ripemd-160 403453df1902004238be7357c0254596a761cc8d

12921387 as geometric shapes

Circle

Radius = n
Diameter 25842774
Circumference 81187468.946781
Area 5.2452735290592E+14

Sphere

Radius = n
Volume 9.0368278919773E+21
Surface area 2.0981094116237E+15
Circumference 81187468.946781

Square

Length = n
Perimeter 51685548
Area 166962242003769
Diagonal 18273600.740071

Cube

Length = n
Surface area 1001773452022614
Volume 2.1573837433184E+21
Space diagonal 22380498.78826

Equilateral Triangle

Length = n
Perimeter 38764161
Area 72296771524035
Altitude 11190249.39413

Triangular Pyramid

Length = n
Surface area 72296771524035
Volume 2.5425011242034E+20
Height 6091200.2466905