12486987 is an odd 8-digits composite number following 12486986
and preceding 12486988 . In scientific notation, it is written as 1.2486987 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 8324640 positive integers (up to 12486987) that are relatively prime to 12486987.
12486987 has 4 divisors, whose sum is 12949496
The reverse of 12486987 is 78968421
Previous prime number is 27
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million four hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
1.2486987 × 10^7
Engineering notation
1.2486987 × 10^6
Prime Factorization
27 × 462481
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12486987
Product of the distinct prime numbers
The prime factorization of 12486987 is 27 × 462481.
Since it has a total of 2 prime factors.
5 , 1 , 96 , 71 , 224 , 872 , 5260 , 8804 , 90 , 2851 , 484112 , 34641 , 2187798 , 2973633 , 30965971 , 89464219 , 772034129 , 184849302 , 8490798573 , 9195182310
n×2
24973974
n×3
37460961
n×4
49947948
n×5
62434935
n÷2
6243493.5
n÷3
4162329
n÷3
3121746.75
n÷5
2497397.4
n2
155924844338169
n3
1.9470315042277E+21
n4
2.4312557081882E+28
n5
3.0359058421822E+35
2 √n
3533.6931106139
3 √n
231.99887905721
4 √n
59.444874552932
5 √n
26.259807124374
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
-12486986
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 12486987 can be divided by 4 positive divisors.
The sum of these divisors (counting 12486987) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111101000100101001011
3
Ternary
212111101221000
4
Quaternary
233220211023
5
Quinary
11144040422
6
Senary
1123350043
8
Octal
57504513
10
Decimal
12486987
12
Duodecimal
4222323
16
Hexadecimal
be894b
20
Vigesimal
3i0h97
36
Base36
7fn0r
md5
cebf0cf55f2d7b3395447ec34407aeb6
sha1
dc2835810a8c5b565c02cf742a275618885ad3b7
sha256
2c1a6dced849e55b1a91f5b189bcbde7744be90e4d0a1b05055ed94bff78b735
sha512
7474e2c7c56c775e8b577e67ec482f05408e134281637818218673fc598a0610aea63703077889f0599379a43d48e7e9f83e06e74ad156fbfa2328a6d7094db2
ripemd-160
e07fa5372a53e6d9ec81cd94b9da449688c4a63f
Diameter
24973974
Circumference
78458053.249343
Area
4.8985234548492E+14
Volume
8.1557064933197E+21
Surface area
1.9594093819397E+15
Circumference
78458053.249343
Perimeter
49947948
Area
155924844338169
Diagonal
17659266.368577
Surface area
935549066029014
Volume
1.9470315042277E+21
Space diagonal
21628095.917452
Perimeter
37460961
Area
67517438138994
Altitude
10814047.958726
Surface area
67517438138994
Volume
2.2945986330388E+20
Height
5886422.1228588