12555721 (number)

12555721 is an odd 8-digits composite number following 12555720 and preceding 12555722. In scientific notation, it is written as 1.2555721 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 12288532 positive integers (up to 12555721) that are relatively prime to 12555721.

Interesting facts

Basic properties

Name

Name twelve million five hundred fifty-five thousand seven hundred twenty-one

Notation

Scientific notation 1.2555721 × 10^7
Engineering notation 1.2555721 × 10^6

Prime Factorization of 12555721

Prime Factorization 47 × 267143

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 12555721
Product of the distinct prime numbers

The prime factorization of 12555721 is 47 × 267143. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12555721)

Multiplication

n×y
n×2 25111442
n×3 37667163
n×4 50222884
n×5 62778605

Division

n÷y
n÷2 6277860.5
n÷3 4185240.3333333
n÷3 3138930.25
n÷5 2511144.2

Exponentiation

ny
n2 157646129829841
n3 1.9793608228733E+21
n4 2.4852302250327E+28
n5 3.1203857326278E+35

Nth Root

y√n
2√n 3543.4052830575
3√n 232.42377583771
4√n 59.526509078372
5√n 26.28865284309

Divisors of 12555721

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 -12555720
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 12555721 can be divided by 4 positive divisors. The sum of these divisors (counting 12555721) is 1, the average is 0.25.

Base conversion 12555721

Base System Value
2 Binary 101111111001010111001001
3 Ternary 212121220012201
4 Quaternary 233321113021
5 Quinary 11203240341
6 Senary 1125040201
8 Octal 57712711
10 Decimal 12555721
12 Duodecimal 4256061
16 Hexadecimal bf95c9
20 Vigesimal 3i9961
36 Base36 7h421

Cryptographic Hash Functions

md5 e267bed3b913431f0c771a5ec3f62313
sha1 54e3538395c6f9edc6c062aec51aca765e78bb19
sha256 893f518dae404cdceffc8b29823691ae334bae29ac18fe6042938f35004a52b7
sha512 2fc1b26a96334751026370a77a0075f3977ae26231a1e6a452c0ed639ba5b3bae41d66ba58cea827620f6d02991a3b05095a218f5e20b984adedd76f8bc49844
ripemd-160 7feb756f39c25df40ecacecb81993e8c82d71dbe

12555721 as geometric shapes

Circle

Radius = n
Diameter 25111442
Circumference 78889921.708246
Area 4.9525992334029E+14

Sphere

Radius = n
Volume 8.2911272265894E+21
Surface area 1.9810396933612E+15
Circumference 78889921.708246

Square

Length = n
Perimeter 50222884
Area 157646129829841
Diagonal 17756470.923573

Cube

Length = n
Surface area 945876778979046
Volume 1.9793608228733E+21
Space diagonal 21747146.69766

Equilateral Triangle

Length = n
Perimeter 37667163
Area 68262776620471
Altitude 10873573.34883

Triangular Pyramid

Length = n
Surface area 68262776620471
Volume 2.3326991004478E+20
Height 5918823.6411909