12821721 (number)

12821721 is an odd 8-digits composite number following 12821720 and preceding 12821722. In scientific notation, it is written as 1.2821721 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 7560000 positive integers (up to 12821721) that are relatively prime to 12821721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821721 × 10^7
Engineering notation 1.2821721 × 10^6

Prime Factorization of 12821721

Prime Factorization 33 × 37 × 10501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12821721
Product of the distinct prime numbers

The prime factorization of 12821721 is 33 × 37 × 10501. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821721)

Multiplication

n×y
n×2 25643442
n×3 38465163
n×4 51286884
n×5 64108605

Division

n÷y
n÷2 6410860.5
n÷3 4273907
n÷3 3205430.25
n÷5 2564344.2

Exponentiation

ny
n2 164396529401841
n3 2.1078464333587E+21
n4 2.702621887937E+28
n5 3.4652263815622E+35

Nth Root

y√n
2√n 3580.7430793063
3√n 234.05366217611
4√n 59.839310484884
5√n 26.399108714378

Divisors of 12821721

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 -12821720
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 12821721 can be divided by 8 positive divisors. The sum of these divisors (counting 12821721) is 1, the average is 0.125.

Base conversion 12821721

Base System Value
2 Binary 110000111010010011011001
3 Ternary 220010102002120
4 Quaternary 300322103121
5 Quinary 11240243341
6 Senary 1134451453
8 Octal 60722331
10 Decimal 12821721
12 Duodecimal 4363b89
16 Hexadecimal c3a4d9
20 Vigesimal 402e61
36 Base36 7mtax

Cryptographic Hash Functions

md5 bb72cc90af5df523fc49ed746ff81381
sha1 903574a0cc169ae0da752293d8eab487a90dbaf4
sha256 17a4623f5bcfbe4aeb1f87f11d4487ffa8bb9ce19b612c29bad6e6a07255727a
sha512 7ed068be4257291556abeb7dfeb7a31756fe90233833f272921a679a9ab626f45aa5efd04bf1bfa69d73cb8e292a552ed8d4bf6a57af449c1ec39bae22cf5ae8
ripemd-160 220cfa76b546701511c437e51ad9082f787898fc

12821721 as geometric shapes

Circle

Radius = n
Diameter 25643442
Circumference 80561248.999956
Area 5.1646692904448E+14

Sphere

Radius = n
Volume 8.8293264932469E+21
Surface area 2.0658677161779E+15
Circumference 80561248.999956

Square

Length = n
Perimeter 51286884
Area 164396529401841
Diagonal 18132651.731164

Cube

Length = n
Surface area 986379176411046
Volume 2.1078464333587E+21
Space diagonal 22207872.212473

Equilateral Triangle

Length = n
Perimeter 38465163
Area 71185785377995
Altitude 11103936.106236

Triangular Pyramid

Length = n
Surface area 71185785377995
Volume 2.4841208445464E+20
Height 6044217.2437213