12561885 is an odd 8-digits composite number following 12561884
and preceding 12561886 . In scientific notation, it is written as 1.2561885 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 5715360 positive integers (up to 12561885) that are relatively prime to 12561885.
12561885 has 32 divisors, whose sum is 18235392
The reverse of 12561885 is 58816521
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twelve million five hundred sixty-one thousand eight hundred eighty-five
Scientific notation
1.2561885 × 10^7
Engineering notation
1.2561885 × 10^6
Prime Factorization
63 × 27 × 7 × 5 × 211
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
12561885
Product of the distinct prime numbers
The prime factorization of 12561885 is 63 × 27 × 7 × 5 × 211.
Since it has a total of 5 prime factors.
1 , 3 , 74 , 57 , 555 , 244 , 3180 , 5016 , 86526 , 2867 , 73410 , 441073 , 1000487 , 807031 , 41078796 , 22830591 , 678019031 , 11232601 , 7425904219 , 8968881397
n×2
25123770
n×3
37685655
n×4
50247540
n×5
62809425
n÷2
6280942.5
n÷3
4187295
n÷3
3140471.25
n÷5
2512377
n2
157800954753225
n3
1.9822774465002E+21
n4
2.4901141321029E+28
n5
3.1280527364352E+35
2 √n
3544.2749611169
3 √n
232.46180433941
4 √n
59.533813594602
5 √n
26.291233522362
1 , 5 , 7 , 27 , 35 , 63 , 135 , 189 , 211 , 315 , 441 , 945 , 1055 , 1477 , 1701 , 2205 , 5697 , 7385 , 8505 , 11907 , 13293 , 28485 , 39879 , 59535 , 66465 , 93051 , 199395 , 358911 , 465255 , 1794555 , 2512377 , 12561885
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
-12561884
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 12561885 can be divided by 32 positive divisors.
The sum of these divisors (counting 12561885) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101111111010110111011101
3
Ternary
212122012200000
4
Quaternary
233322313131
5
Quinary
11203440020
6
Senary
1125124513
8
Octal
57726735
10
Decimal
12561885
12
Duodecimal
4259739
16
Hexadecimal
bfaddd
20
Vigesimal
3ia4e5
36
Base36
7h8t9
md5
ae0758d71c66a7e8790b0bfaf866fdab
sha1
00d9ff3f0398d2396d146c517df784ef985127f2
sha256
2a9bbb909d961c9ab9c7b663d1eea57827bdd8fce0aee155678a61ce2745bddf
sha512
88758fa33b1678d8ac905922245675e135d84f61c871c51e133163f42d749e696a7d7e84d0db812395233cbb3d7b390387e1afc5a44e1f923aa31234bb55b5f0
ripemd-160
dd0ed50b8d3d830582532811a83d380265d0f66a
Diameter
25123770
Circumference
78928651.26248
Area
4.9574632018219E+14
Volume
8.3033443510691E+21
Surface area
1.9829852807287E+15
Circumference
78928651.26248
Perimeter
50247540
Area
157800954753225
Diagonal
17765188.135971
Surface area
946805728519350
Volume
1.9822774465002E+21
Space diagonal
21757823.058837
Perimeter
37685655
Area
68329817778866
Altitude
10878911.529419
Surface area
68329817778866
Volume
2.3361363743558E+20
Height
5921729.378657