12821389 (number)

12821389 is an odd 8-digits composite number following 12821388 and preceding 12821390. In scientific notation, it is written as 1.2821389 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors. There are 10780224 positive integers (up to 12821389) that are relatively prime to 12821389.

Interesting facts

Basic properties

Name

Name twelve million eight hundred twenty-one thousand three hundred eighty-nine

Notation

Scientific notation 1.2821389 × 10^7
Engineering notation 1.2821389 × 10^6

Prime Factorization of 12821389

Prime Factorization 7 × 7 × 53 × 4937

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1831627
Product of the distinct prime numbers

The prime factorization of 12821389 is 7 × 7 × 53 × 4937. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 3, 70, 703, 400, 5085, 3396, 63980, 50585, 774633, 851698, 7547972, 1095029, 90565641, 30629633, 719172263, 885940857, 7733881374, 3376445919

Basic calculations (n = 12821389)

Multiplication

n×y
n×2 25642778
n×3 38464167
n×4 51285556
n×5 64106945

Division

n÷y
n÷2 6410694.5
n÷3 4273796.3333333
n÷3 3205347.25
n÷5 2564277.8

Exponentiation

ny
n2 164388015889321
n3 2.1076826986552E+21
n4 2.7023419768028E+28
n5 3.4647777695617E+35

Nth Root

y√n
2√n 3580.6967199136
3√n 234.05164199784
4√n 59.838923117931
5√n 26.398971999582

Divisors of 12821389

1, 7, 49, 53, 371, 2597, 4937, 34559, 241913, 261661, 1831627, 12821389

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12821388
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12821389 can be divided by 12 positive divisors. The sum of these divisors (counting 12821389) is 1, the average is 0.083333333333333.

Base conversion 12821389

Base System Value
2 Binary 110000111010001110001101
3 Ternary 220010101122021
4 Quaternary 300322032031
5 Quinary 11240241024
6 Senary 1134450141
8 Octal 60721615
10 Decimal 12821389
12 Duodecimal 4363951
16 Hexadecimal c3a38d
20 Vigesimal 402d99
36 Base36 7mt1p

Cryptographic Hash Functions

md5 5506ba814397013873690ee08b23b80d
sha1 3ff1b4eacf36ca6aedeeeb9fb5b77d35151ed1db
sha256 8f299fbc97b3eb3408b9945b3a6d7d9a7c70943a166549602fd89aa97a743277
sha512 1853809c085ba0648236e05dfeb92c92771e3972d1eb227969bc40f66f1ac7f3c002f8961688841defec5616e62983432352793f4865149c56821ea1f80a8dbb
ripemd-160 66dfc3efe1adc1aa75b726c15b093589e69d2371

12821389 as geometric shapes

Circle

Radius = n
Diameter 25642778
Circumference 80559162.982434
Area 5.1644018305609E+14

Sphere

Radius = n
Volume 8.8286406429245E+21
Surface area 2.0657607322244E+15
Circumference 80559162.982434

Square

Length = n
Perimeter 51285556
Area 164388015889321
Diagonal 18132182.212261

Cube

Length = n
Surface area 986328095335926
Volume 2.1076826986552E+21
Space diagonal 22207297.171605

Equilateral Triangle

Length = n
Perimeter 38464167
Area 71182098918936
Altitude 11103648.585802

Triangular Pyramid

Length = n
Surface area 71182098918936
Volume 2.4839278813477E+20
Height 6044060.7374204