12856487 is an odd 8-digits composite number following 12856486
and preceding 12856488 . In scientific notation, it is written as 1.2856487 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 11019840 positive integers (up to 12856487) that are relatively prime to 12856487.
12856487 has 4 divisors, whose sum is 14693136
The reverse of 12856487 is 78465821
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twelve million eight hundred fifty-six thousand four hundred eighty-seven
Scientific notation
1.2856487 × 10^7
Engineering notation
1.2856487 × 10^6
Prime Factorization
7 × 1836641
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
12856487
Product of the distinct prime numbers
The prime factorization of 12856487 is 7 × 1836641.
Since it has a total of 2 prime factors.
1 , 5 , 30 , 2 , 605 , 645 , 5194 , 9937 , 21945 , 31511 , 31712 , 965633 , 6182215 , 3625511 , 10254193 , 68576865 , 526673810 , 969273609 , 4397084105 , 8850715228
n×2
25712974
n×3
38569461
n×4
51425948
n×5
64282435
n÷2
6428243.5
n÷3
4285495.6666667
n÷3
3214121.75
n÷5
2571297.4
n2
165289257981169
n3
2.1250391964745E+21
n4
2.7320538803965E+28
n5
3.5124615196618E+35
2 √n
3585.5943719278
3 √n
234.26501617733
4 √n
59.879832764694
5 √n
26.413409409209
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
-12856486
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 12856487 can be divided by 4 positive divisors.
The sum of these divisors (counting 12856487) is 1, the average is 0.25.
Base
System
Value
2
Binary
110001000010110010100111
3
Ternary
220012011210012
4
Quaternary
301002302213
5
Quinary
11242401422
6
Senary
1135320435
8
Octal
61026247
10
Decimal
12856487
12
Duodecimal
438011b
16
Hexadecimal
c42ca7
20
Vigesimal
407147
36
Base36
7nk4n
md5
e081dc70877bacb76cf51681506a5d1e
sha1
4f61f88e8ac6801b8e06763e60576da5a493cc14
sha256
7866cd04f56e1a52d6c242785af1add4989b2cd3499e73443940a32e8ca21fb4
sha512
a5bce840d62df364638a9225923de1763d8f59010ad6568f0eb2eafa4fb39561427fc5e20f420eb35ed7d107f6f223c5cf3c37ae6c02be2494d9ad809483dc5d
ripemd-160
d77ace992c0d59e96d74768c58f71b71be99ba53
Diameter
25712974
Circumference
80779690.220345
Area
5.1927151859095E+14
Volume
8.9013433709797E+21
Surface area
2.0770860743638E+15
Circumference
80779690.220345
Perimeter
51425948
Area
165289257981169
Diagonal
18181818.279873
Surface area
991735547887014
Volume
2.1250391964745E+21
Space diagonal
22268088.690849
Perimeter
38569461
Area
71572348192186
Altitude
11134044.345424
Surface area
71572348192186
Volume
2.5043827101906E+20
Height
6060606.0932911