12821731 (number)

12821731 is an odd 8-digits composite number following 12821730 and preceding 12821732. In scientific notation, it is written as 1.2821731 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 11835432 positive integers (up to 12821731) that are relatively prime to 12821731.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821731 × 10^7
Engineering notation 1.2821731 × 10^6

Prime Factorization of 12821731

Prime Factorization 13 × 986287

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12821731
Product of the distinct prime numbers

The prime factorization of 12821731 is 13 × 986287. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12821731)

Multiplication

n×y
n×2 25643462
n×3 38465193
n×4 51286924
n×5 64108655

Division

n÷y
n÷2 6410865.5
n÷3 4273910.3333333
n÷3 3205432.75
n÷5 2564346.2

Exponentiation

ny
n2 164396785836361
n3 2.1078513652584E+21
n4 2.7026303193326E+28
n5 3.4652398946927E+35

Nth Root

y√n
2√n 3580.7444756642
3√n 234.05372302432
4√n 59.839322152446
5√n 26.399112832249

Divisors of 12821731

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 -12821730
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 12821731 can be divided by 4 positive divisors. The sum of these divisors (counting 12821731) is 1, the average is 0.25.

Base conversion 12821731

Base System Value
2 Binary 110000111010010011100011
3 Ternary 220010102002221
4 Quaternary 300322103203
5 Quinary 11240243411
6 Senary 1134451511
8 Octal 60722343
10 Decimal 12821731
12 Duodecimal 4363b97
16 Hexadecimal c3a4e3
20 Vigesimal 402e6b
36 Base36 7mtb7

Cryptographic Hash Functions

md5 d23bb3bce83685399d8f8e318369d96e
sha1 aeba2ff80271ed5b1dcadd00b799d3960974ae03
sha256 486d32c05483bbec7f6213f2ae8c4c6b536ef43ed07c7c46d52b6b5b78133e07
sha512 92a2c2bb0947de9621b1e1abae81ab703e09b32ef6ca099cbe17b559eaefcb73b2215366023be43d43d0e17a36751ada7d9a3c76e457335a83b4a2f703333912
ripemd-160 7c9fae88cb1760dd38ed45509bcfa81c12e9d593

12821731 as geometric shapes

Circle

Radius = n
Diameter 25643462
Circumference 80561311.831809
Area 5.1646773465729E+14

Sphere

Radius = n
Volume 8.8293471519401E+21
Surface area 2.0658709386291E+15
Circumference 80561311.831809

Square

Length = n
Perimeter 51286924
Area 164396785836361
Diagonal 18132665.8733

Cube

Length = n
Surface area 986380715018166
Volume 2.1078513652584E+21
Space diagonal 22207889.532981

Equilateral Triangle

Length = n
Perimeter 38465193
Area 71185896417399
Altitude 11103944.76649

Triangular Pyramid

Length = n
Surface area 71185896417399
Volume 2.4841266568459E+20
Height 6044221.9577665