12987055 (number)

12987055 is an odd 8-digits composite number following 12987054 and preceding 12987056. In scientific notation, it is written as 1.2987055 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 10375200 positive integers (up to 12987055) that are relatively prime to 12987055.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand fifty-five

Notation

Scientific notation 1.2987055 × 10^7
Engineering notation 1.2987055 × 10^6

Prime Factorization of 12987055

Prime Factorization 5 × 991 × 2621

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 12987055
Product of the distinct prime numbers

The prime factorization of 12987055 is 5 × 991 × 2621. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987055)

Multiplication

n×y
n×2 25974110
n×3 38961165
n×4 51948220
n×5 64935275

Division

n÷y
n÷2 6493527.5
n÷3 4329018.3333333
n÷3 3246763.75
n÷5 2597411

Exponentiation

ny
n2 168663597573025
n3 2.1904434181787E+21
n4 2.8447409146275E+28
n5 3.6944806719018E+35

Nth Root

y√n
2√n 3603.7556798429
3√n 235.05539662795
4√n 60.031289173588
5√n 26.466842682033

Divisors of 12987055

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 -12987054
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 12987055 can be divided by 8 positive divisors. The sum of these divisors (counting 12987055) is 1, the average is 0.125.

Base conversion 12987055

Base System Value
2 Binary 110001100010101010101111
3 Ternary 220102210220001
4 Quaternary 301202222233
5 Quinary 11311041210
6 Senary 1142205131
8 Octal 61425257
10 Decimal 12987055
12 Duodecimal 44237a7
16 Hexadecimal c62aaf
20 Vigesimal 4137cf
36 Base36 7qcvj

Cryptographic Hash Functions

md5 cd3325a5289b466a8da0021cede0f8c5
sha1 eaf430ef712124408d4ad42946cd2df417a640ae
sha256 5c7ced062d2e70a80caa98575049d5cba7e06ce90569b3a398646189ab702a5a
sha512 d242af283988118eb42ed08d4e90025e668905fcf2949d9067b0393d7ca67f654a1335afbe180e1823d17d44abd19e15963a298a725809da697d715f769cfc63
ripemd-160 12e1f5775645205aab7f9bc3a4c2a2bbd6f67ee2

12987055 as geometric shapes

Circle

Radius = n
Diameter 25974110
Circumference 81600073.159533
Area 5.2987231906344E+14

Sphere

Radius = n
Volume 9.1753079342059E+21
Surface area 2.1194892762538E+15
Circumference 81600073.159533

Square

Length = n
Perimeter 51948220
Area 168663597573025
Diagonal 18366469.316285

Cube

Length = n
Surface area 1011981585438150
Volume 2.1904434181787E+21
Space diagonal 22494239.100691

Equilateral Triangle

Length = n
Perimeter 38961165
Area 73033480095958
Altitude 11247119.550346

Triangular Pyramid

Length = n
Surface area 73033480095958
Volume 2.581462324666E+20
Height 6122156.4387618