12921872 (number)

12921872 is an even 8-digits composite number following 12921871 and preceding 12921873. In scientific notation, it is written as 1.2921872 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 20 positive divisors. There are 6378528 positive integers (up to 12921872) that are relatively prime to 12921872.

Interesting facts

Basic properties

Name

Name twelve million nine hundred twenty-one thousand eight hundred seventy-two

Notation

Scientific notation 1.2921872 × 10^7
Engineering notation 1.2921872 × 10^6

Prime Factorization of 12921872

Prime Factorization 2 × 2 × 2 × 2 × 79 × 10223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1615234
Product of the distinct prime numbers

The prime factorization of 12921872 is 2 × 2 × 2 × 2 × 79 × 10223. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 7, 43, 19, 450, 723, 4026, 2410, 56259, 45748, 89337, 685206, 4098561, 5343368, 620490, 89906444, 776636393, 210240452, 8209422276, 3920665245

Basic calculations (n = 12921872)

Multiplication

n×y
n×2 25843744
n×3 38765616
n×4 51687488
n×5 64609360

Division

n÷y
n÷2 6460936
n÷3 4307290.6666667
n÷3 3230468
n÷5 2584374.4

Exponentiation

ny
n2 166974775984384
n3 2.1576266824989E+21
n4 2.7880575815035E+28
n5 3.6026923196818E+35

Nth Root

y√n
2√n 3594.7005438562
3√n 234.66148332789
4√n 59.955821601044
5√n 26.440221370072

Divisors of 12921872

1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 10223, 20446, 40892, 81784, 163568, 807617, 1615234, 3230468, 6460936, 12921872

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12921871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12921872 can be divided by 20 positive divisors. The sum of these divisors (counting 12921872) is 1, the average is 0.05.

Base conversion 12921872

Base System Value
2 Binary 110001010010110000010000
3 Ternary 220022111110212
4 Quaternary 301102300100
5 Quinary 11301444442
6 Senary 1140543252
8 Octal 61226020
10 Decimal 12921872
12 Duodecimal 43b1b28
16 Hexadecimal c52c10
20 Vigesimal 40f4dc
36 Base36 7oykw

Cryptographic Hash Functions

md5 7227a0e1a094617e177926b0514fe18f
sha1 17788a3929f1138a307c2f81446883944fac04cc
sha256 9a46253e42c0108e3c654d0776801c71b3261b954d6f03e09ed9c3a5001f563d
sha512 8ae60359534bc8feb7062d1bb30114d9e34968dc6e7a7a50729d76d6dcfcf58dc2f0a7c4b1cabbfd859c1c9b27b23d2b80fda8133fcdd654c50afeb264d0c9c6
ripemd-160 e03bc5f0acc83973d2391efd9f7b6970eb2c1bbc

12921872 as geometric shapes

Circle

Radius = n
Diameter 25843744
Circumference 81190516.291655
Area 5.2456672956734E+14

Sphere

Radius = n
Volume 9.0378455132371E+21
Surface area 2.0982669182694E+15
Circumference 81190516.291655

Square

Length = n
Perimeter 51687488
Area 166974775984384
Diagonal 18274286.633649

Cube

Length = n
Surface area 1001848655906304
Volume 2.1576266824989E+21
Space diagonal 22381338.832902

Equilateral Triangle

Length = n
Perimeter 38765616
Area 72302198896846
Altitude 11190669.416451

Triangular Pyramid

Length = n
Surface area 72302198896846
Volume 2.5427874307733E+20
Height 6091428.8778831