12987008 (number)

12987008 is an even 8-digits composite number following 12987007 and preceding 12987009. In scientific notation, it is written as 1.2987008 × 10^7. The sum of its digits is 35. It has a total of 9 prime factors and 32 positive divisors. There are 6451200 positive integers (up to 12987008) that are relatively prime to 12987008.

Interesting facts

Basic properties

Name

Name twelve million nine hundred eighty-seven thousand eight

Notation

Scientific notation 1.2987008 × 10^7
Engineering notation 1.2987008 × 10^6

Prime Factorization of 12987008

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 421 × 241

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 202922
Product of the distinct prime numbers

The prime factorization of 12987008 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 421 × 241. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 12987008)

Multiplication

n×y
n×2 25974016
n×3 38961024
n×4 51948032
n×5 64935040

Division

n÷y
n÷2 6493504
n÷3 4329002.6666667
n÷3 3246752
n÷5 2597401.6

Exponentiation

ny
n2 168662376792064
n3 2.1904196366975E+21
n4 2.8446997345148E+28
n5 3.6944138209742E+35

Nth Root

y√n
2√n 3603.7491588622
3√n 235.05511307336
4√n 60.031234860381
5√n 26.466823525366

Divisors of 12987008

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -12987007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 12987008 can be divided by 32 positive divisors. The sum of these divisors (counting 12987008) is 1, the average is 0.03125.

Base conversion 12987008

Base System Value
2 Binary 110001100010101010000000
3 Ternary 220102210211022
4 Quaternary 301202222000
5 Quinary 11311041013
6 Senary 1142205012
8 Octal 61425200
10 Decimal 12987008
12 Duodecimal 4423768
16 Hexadecimal c62a80
20 Vigesimal 4137a8
36 Base36 7qcu8

Cryptographic Hash Functions

md5 2dbc25aa68aa4af564bd96c250825f15
sha1 18e3fe0154994e285745b18c243caff916d4a547
sha256 5ebc79a17d32bc1e64afaed21024b8f2d90816043b900fc3eb19997f7aee66c1
sha512 c8063c35f97bebb8df9d71e07a15e6ccf2ded1afe70d30b31ae1f18c1c568a49c407cf4221e7c443fff8244af89063ac633ee06222e5505adc5c45927dca24fe
ripemd-160 1e3ac36225ab19d78789bd7dcea956252b2e3bdc

12987008 as geometric shapes

Circle

Radius = n
Diameter 25974016
Circumference 81599777.849824
Area 5.2986848386694E+14

Sphere

Radius = n
Volume 9.1752083185705E+21
Surface area 2.1194739354678E+15
Circumference 81599777.849824

Square

Length = n
Perimeter 51948032
Area 168662376792064
Diagonal 18366402.848248

Cube

Length = n
Surface area 1011974260752384
Volume 2.1904196366975E+21
Space diagonal 22494157.694303

Equilateral Triangle

Length = n
Perimeter 38961024
Area 73032951482295
Altitude 11247078.847152

Triangular Pyramid

Length = n
Surface area 73032951482295
Volume 2.5814342979217E+20
Height 6122134.2827493