12721838 (number)

12721838 is an even 8-digits composite number following 12721837 and preceding 12721839. In scientific notation, it is written as 1.2721838 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 6289360 positive integers (up to 12721838) that are relatively prime to 12721838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.2721838 × 10^7
Engineering notation 1.2721838 × 10^6

Prime Factorization of 12721838

Prime Factorization 2 × 89 × 71471

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12721838
Product of the distinct prime numbers

The prime factorization of 12721838 is 2 × 89 × 71471. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12721838)

Multiplication

n×y
n×2 25443676
n×3 38165514
n×4 50887352
n×5 63609190

Division

n÷y
n÷2 6360919
n÷3 4240612.6666667
n÷3 3180459.5
n÷5 2544367.6

Exponentiation

ny
n2 161845162098244
n3 2.0589679332976E+21
n4 2.6193856494607E+28
n5 3.3323399891964E+35

Nth Root

y√n
2√n 3566.7685655226
3√n 233.44430684973
4√n 59.722429333732
5√n 26.357849397062

Divisors of 12721838

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 -12721837
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 12721838 can be divided by 8 positive divisors. The sum of these divisors (counting 12721838) is 1, the average is 0.125.

Base conversion 12721838

Base System Value
2 Binary 110000100001111010101110
3 Ternary 212221100002012
4 Quaternary 300201322232
5 Quinary 11224044323
6 Senary 1132401222
8 Octal 60417256
10 Decimal 12721838
12 Duodecimal 4316212
16 Hexadecimal c21eae
20 Vigesimal 3ja4bi
36 Base36 7ko8e

Cryptographic Hash Functions

md5 48e21e342b80c34de4523cacbdd417fb
sha1 1441871dd0c345b0b6df76fc70e1be7cc894602b
sha256 c48157a65168f553d37c656fe2be0c1a73d84c5172af683601850cbaff65f9c9
sha512 06cf17d1a26960c6a67ff94eb07a30b7da5d7bbd22b07e39a64ed559eebb1c63b1bf05494b16caf3c9af06cf90b931982b2f8a4c0cf8254382bc2b2500a662ae
ripemd-160 7ebad20fdc6d5e1cc8969544d8bc630e4d77d194

12721838 as geometric shapes

Circle

Radius = n
Diameter 25443676
Circumference 79933665.601919
Area 5.0845157226689E+14

Sphere

Radius = n
Volume 8.6245847109663E+21
Surface area 2.0338062890676E+15
Circumference 79933665.601919

Square

Length = n
Perimeter 50887352
Area 161845162098244
Diagonal 17991395.837913

Cube

Length = n
Surface area 971070972589464
Volume 2.0589679332976E+21
Space diagonal 22034869.78166

Equilateral Triangle

Length = n
Perimeter 38165514
Area 70081010928345
Altitude 11017434.89083

Triangular Pyramid

Length = n
Surface area 70081010928345
Volume 2.4265169798006E+20
Height 5997131.9459711