12587985 is an odd 8-digits composite number following 12587984
and preceding 12587986 . In scientific notation, it is written as 1.2587985 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 6688032 positive integers (up to 12587985) that are relatively prime to 12587985.
12587985 has 16 divisors, whose sum is 16848000
The reverse of 12587985 is 58978521
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twelve million five hundred eighty-seven thousand nine hundred eighty-five
Scientific notation
1.2587985 × 10^7
Engineering notation
1.2587985 × 10^6
Prime Factorization
9 × 5 × 467 × 599
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12587985
Product of the distinct prime numbers
The prime factorization of 12587985 is 9 × 5 × 467 × 599.
Since it has a total of 4 prime factors.
8 , 4 , 52 , 60 , 92 , 654 , 3683 , 990 , 99805 , 85120 , 995622 , 978833 , 4164197 , 8646767 , 2503911 , 21519542 , 449110696 , 612535577 , 1039184123 , 6866675855
n×2
25175970
n×3
37763955
n×4
50351940
n×5
62939925
n÷2
6293992.5
n÷3
4195995
n÷3
3146996.25
n÷5
2517597
n2
158457366360225
n3
1.994658950882E+21
n4
2.5108736953819E+28
n5
3.1606840414361E+35
2 √n
3547.955044811
3 √n
232.62268932156
4 √n
59.564713084267
5 √n
26.302149584927
1 , 5 , 9 , 45 , 467 , 599 , 2335 , 2995 , 4203 , 5391 , 21015 , 26955 , 279733 , 1398665 , 2517597 , 12587985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12587984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12587985 can be divided by 16 positive divisors.
The sum of these divisors (counting 12587985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000000001001111010001
3
Ternary
212200112110200
4
Quaternary
300001033101
5
Quinary
11210303420
6
Senary
1125445413
8
Octal
60011721
10
Decimal
12587985
12
Duodecimal
4270869
16
Hexadecimal
c013d1
20
Vigesimal
3id9j5
36
Base36
7hsy9
md5
271fca3e42bfdc39b854de74a675e5a1
sha1
96ea21a54176c405b206237e38c6c597f0b436bf
sha256
c801c60b651b38819a0174f7be1897859a4b39270896eb383adedd13fa2c8133
sha512
d2447261c979f57873584d415a8e1c13e64c4f21e652503538428acbb22eb7729662907bbbed71afb72f9b09bdb0675a66c85754651292e267313ceccd88686a
ripemd-160
405d463d9643506837a1a8fae1014d914f6921ad
Diameter
25175970
Circumference
79092642.398997
Area
4.9780849806447E+14
Volume
8.3552078753441E+21
Surface area
1.9912339922579E+15
Circumference
79092642.398997
Perimeter
50351940
Area
158457366360225
Diagonal
17802099.109949
Surface area
950744198161350
Volume
1.994658950882E+21
Space diagonal
21803029.584915
Perimeter
37763955
Area
68614052342366
Altitude
10901514.792457
Surface area
68614052342366
Volume
2.3507281172052E+20
Height
5934033.0366497