12561912 is an even 8-digits composite number following 12561911
and preceding 12561913 . In scientific notation, it is written as 1.2561912 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 16 positive divisors.
There are 3571200 positive integers (up to 12561912) that are relatively prime to 12561912.
12561912 has 16 divisors, whose sum is 23634000
The reverse of 12561912 is 21916521
Previous prime number is 5049
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twelve million five hundred sixty-one thousand nine hundred twelve
Scientific notation
1.2561912 × 10^7
Engineering notation
1.2561912 × 10^6
Prime Factorization
2 × 2 × 2 × 5049 × 311
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3140478
Product of the distinct prime numbers
The prime factorization of 12561912 is 2 × 2 × 2 × 5049 × 311.
Since it has a total of 5 prime factors.
2 , 10 , 93 , 47 , 507 , 879 , 451 , 7875 , 15907 , 5124 , 874910 , 966410 , 8448566 , 7009983 , 47126539 , 29901809 , 283954496 , 348767697 , 115507431 , 896770510
n×2
25123824
n×3
37685736
n×4
50247648
n×5
62809560
n÷2
6280956
n÷3
4187304
n÷3
3140478
n÷5
2512382.4
n2
157801633095744
n3
1.982290228405E+21
n4
2.4901355407684E+28
n5
3.1280863531205E+35
2 √n
3544.2787700744
3 √n
232.46197088725
4 √n
59.53384558446
5 √n
26.291244824212
1 , 2 , 4 , 8 , 311 , 622 , 1244 , 2488 , 5049 , 10098 , 20196 , 40392 , 1570239 , 3140478 , 6280956 , 12561912
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
-12561911
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 12561912 can be divided by 16 positive divisors.
The sum of these divisors (counting 12561912) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111010110111111000
3
Ternary
212122012201000
4
Quaternary
233322313320
5
Quinary
11203440122
6
Senary
1125125000
8
Octal
57726770
10
Decimal
12561912
12
Duodecimal
4259760
16
Hexadecimal
bfadf8
20
Vigesimal
3ia4fc
36
Base36
7h8u0
md5
1ce1a1e796299915b74b1c292c5fdbf4
sha1
8f7c1d57a1cd03bbf592710bdcf30145a3cbdd52
sha256
583e2f1d7996f5e619ad3033d9acca28870a1ef3c40ed6332ecff5cafe1c9212
sha512
4106b5e60d8fb744f3cb25cabdd44777d101b17dda3345d68ab0e23e0450a00cee3e763a2a38c81e5e31002a3da667c76c9cce440427c2bbc3cc66970c44b076
ripemd-160
4d715420f6b13e394228ef3cfbbceaa0486657dc
Diameter
25123824
Circumference
78928820.908483
Area
4.9574845125806E+14
Volume
8.3033978917867E+21
Surface area
1.9829938050322E+15
Circumference
78928820.908483
Perimeter
50247648
Area
157801633095744
Diagonal
17765226.319737
Surface area
946809798574464
Volume
1.982290228405E+21
Space diagonal
21757869.824209
Perimeter
37685736
Area
68330111509793
Altitude
10878934.912105
Surface area
68330111509793
Volume
2.336151437975E+20
Height
5921742.1065791