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.
12987008 has 32 divisors, whose sum is 26041620
The reverse of 12987008 is 80078921
Previous prime number is 421
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million nine hundred eighty-seven thousand eight
Scientific notation
1.2987008 × 10^7
Engineering notation
1.2987008 × 10^6
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.
3 , 1 , 79 , 47 , 702 , 585 , 8049 , 8431 , 3554 , 91666 , 165103 , 457821 , 3271597 , 1327431 , 76786178 , 84473618 , 535413440 , 549538061 , 9871557049 , 6608875325
n×2
25974016
n×3
38961024
n×4
51948032
n×5
64935040
n÷2
6493504
n÷3
4329002.6666667
n÷3
3246752
n÷5
2597401.6
n2
168662376792064
n3
2.1904196366975E+21
n4
2.8446997345148E+28
n5
3.6944138209742E+35
2 √n
3603.7491588622
3 √n
235.05511307336
4 √n
60.031234860381
5 √n
26.466823525366
1 , 2 , 4 , 8 , 16 , 32 , 64 , 128 , 241 , 421 , 482 , 842 , 964 , 1684 , 1928 , 3368 , 3856 , 6736 , 7712 , 13472 , 15424 , 26944 , 30848 , 53888 , 101461 , 202922 , 405844 , 811688 , 1623376 , 3246752 , 6493504 , 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
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
md5
2dbc25aa68aa4af564bd96c250825f15
sha1
18e3fe0154994e285745b18c243caff916d4a547
sha256
5ebc79a17d32bc1e64afaed21024b8f2d90816043b900fc3eb19997f7aee66c1
sha512
c8063c35f97bebb8df9d71e07a15e6ccf2ded1afe70d30b31ae1f18c1c568a49c407cf4221e7c443fff8244af89063ac633ee06222e5505adc5c45927dca24fe
ripemd-160
1e3ac36225ab19d78789bd7dcea956252b2e3bdc
Diameter
25974016
Circumference
81599777.849824
Area
5.2986848386694E+14
Volume
9.1752083185705E+21
Surface area
2.1194739354678E+15
Circumference
81599777.849824
Perimeter
51948032
Area
168662376792064
Diagonal
18366402.848248
Surface area
1011974260752384
Volume
2.1904196366975E+21
Space diagonal
22494157.694303
Perimeter
38961024
Area
73032951482295
Altitude
11247078.847152
Surface area
73032951482295
Volume
2.5814342979217E+20
Height
6122134.2827493