12782721 (number)

12782721 is an odd 8-digits composite number following 12782720 and preceding 12782722. In scientific notation, it is written as 1.2782721 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 7304400 positive integers (up to 12782721) that are relatively prime to 12782721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2782721 × 10^7
Engineering notation 1.2782721 × 10^6

Prime Factorization of 12782721

Prime Factorization 3 × 7 × 608701

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12782721
Product of the distinct prime numbers

The prime factorization of 12782721 is 3 × 7 × 608701. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12782721)

Multiplication

n×y
n×2 25565442
n×3 38348163
n×4 51130884
n×5 63913605

Division

n÷y
n÷2 6391360.5
n÷3 4260907
n÷3 3195680.25
n÷5 2556544.2

Exponentiation

ny
n2 163397956163841
n3 2.0886704856126E+21
n4 2.6698892078521E+28
n5 3.4128448844884E+35

Nth Root

y√n
2√n 3575.2931348352
3√n 233.816113111
4√n 59.793754981898
5√n 26.383029434727

Divisors of 12782721

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 -12782720
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 12782721 can be divided by 8 positive divisors. The sum of these divisors (counting 12782721) is 1, the average is 0.125.

Base conversion 12782721

Base System Value
2 Binary 110000110000110010000001
3 Ternary 220001102121010
4 Quaternary 300300302001
5 Quinary 11233021341
6 Senary 1133551133
8 Octal 60606201
10 Decimal 12782721
12 Duodecimal 43454a9
16 Hexadecimal c30c81
20 Vigesimal 3jhgg1
36 Base36 7lz7l

Cryptographic Hash Functions

md5 8d88fe1857b8a9e1263ff09d59447527
sha1 b30321cbd5258c37941ba850341116dfc4a8a7c9
sha256 a828c148914145cf1910aec6394e8acb9a5a75c47797fe8116ab50612755e934
sha512 4a0ad591081c7a30bb33357dea989ea4fad5d1338a28b257fb3de56b7d8d71c3b203632d78d237971fbc03a9393f67a6d7c29831a9dd670f35984f4c943922cb
ripemd-160 904b184ebb9ce7b07902e488e943c311222b5389

12782721 as geometric shapes

Circle

Radius = n
Diameter 25565442
Circumference 80316204.772976
Area 5.1332981869591E+14

Sphere

Radius = n
Volume 8.7490024711605E+21
Surface area 2.0533192747836E+15
Circumference 80316204.772976

Square

Length = n
Perimeter 51130884
Area 163397956163841
Diagonal 18077497.402231

Cube

Length = n
Surface area 980387736983046
Volume 2.0886704856126E+21
Space diagonal 22140322.230978

Equilateral Triangle

Length = n
Perimeter 38348163
Area 70753390482171
Altitude 11070161.115489

Triangular Pyramid

Length = n
Surface area 70753390482171
Volume 2.4615217734015E+20
Height 6025832.4674105