12821745 (number)

12821745 is an odd 8-digits composite number following 12821744 and preceding 12821746. In scientific notation, it is written as 1.2821745 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 6801984 positive integers (up to 12821745) that are relatively prime to 12821745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2821745 × 10^7
Engineering notation 1.2821745 × 10^6

Prime Factorization of 12821745

Prime Factorization 3 × 5 × 197 × 4339

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 12821745
Product of the distinct prime numbers

The prime factorization of 12821745 is 3 × 5 × 197 × 4339. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 16, 79, 490, 208, 8985, 3809, 48877, 49821, 955663, 58383, 1896675, 6434431, 43303027, 86636953, 125549691, 633593243, 2106718302, 7730836267

Basic calculations (n = 12821745)

Multiplication

n×y
n×2 25643490
n×3 38465235
n×4 51286980
n×5 64108725

Division

n÷y
n÷2 6410872.5
n÷3 4273915
n÷3 3205436.25
n÷5 2564349

Exponentiation

ny
n2 164397144845025
n3 2.107858269931E+21
n4 2.7026421233196E+28
n5 3.4652588131463E+35

Nth Root

y√n
2√n 3580.7464305644
3√n 234.05380821175
4√n 59.839338487022
5√n 26.399118597265

Divisors of 12821745

1, 3, 5, 15, 197, 591, 985, 2955, 4339, 13017, 21695, 65085, 854783, 2564349, 4273915, 12821745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12821744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12821745 can be divided by 16 positive divisors. The sum of these divisors (counting 12821745) is 1, the average is 0.0625.

Base conversion 12821745

Base System Value
2 Binary 110000111010010011110001
3 Ternary 220010102010110
4 Quaternary 300322103301
5 Quinary 11240243440
6 Senary 1134451533
8 Octal 60722361
10 Decimal 12821745
12 Duodecimal 4363ba9
16 Hexadecimal c3a4f1
20 Vigesimal 402e75
36 Base36 7mtbl

Cryptographic Hash Functions

md5 3e2ea40c797ff23bd4639bf616bee19e
sha1 eebc52c5e44bb1680d0a8a743133304a2304fbb7
sha256 5c673f82eef8142af9703982966755d2c07c95e12433f72c52a17ca78e16305a
sha512 712342137f8173bc763148a604391d236cc56c2a38dbae7e80f0aff36433cd8419f83b965b50820132d49289c7b21fb59d652852f7189d2401da28f58d1d18e1
ripemd-160 9175ef09f8d0f3d624f841e5517f4c348625bd26

12821745 as geometric shapes

Circle

Radius = n
Diameter 25643490
Circumference 80561399.796403
Area 5.1646886251627E+14

Sphere

Radius = n
Volume 8.8293760741649E+21
Surface area 2.0658754500651E+15
Circumference 80561399.796403

Square

Length = n
Perimeter 51286980
Area 164397144845025
Diagonal 18132685.672289

Cube

Length = n
Surface area 986382869070150
Volume 2.107858269931E+21
Space diagonal 22207913.781692

Equilateral Triangle

Length = n
Perimeter 38465235
Area 71186051872711
Altitude 11103956.890846

Triangular Pyramid

Length = n
Surface area 71186051872711
Volume 2.4841347940806E+20
Height 6044228.5574298