12561213 is an odd 8-digits composite number following 12561212
and preceding 12561214 . In scientific notation, it is written as 1.2561213 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 7158576 positive integers (up to 12561213) that are relatively prime to 12561213.
12561213 has 16 divisors, whose sum is 19192320
The reverse of 12561213 is 31216521
Previous prime number is 587
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twelve million five hundred sixty-one thousand two hundred thirteen
Scientific notation
1.2561213 × 10^7
Engineering notation
1.2561213 × 10^6
Prime Factorization
7 × 3 × 587 × 1019
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
12561213
Product of the distinct prime numbers
The prime factorization of 12561213 is 7 × 3 × 587 × 1019.
Since it has a total of 4 prime factors.
3 , 7 , 48 , 19 , 203 , 411 , 3045 , 8974 , 21771 , 76747 , 368551 , 813697 , 7997117 , 2634174 , 98595386 , 31836840 , 28522050 , 116350060 , 1374643281 , 4141421852
n×2
25122426
n×3
37683639
n×4
50244852
n×5
62806065
n÷2
6280606.5
n÷3
4187071
n÷3
3140303.25
n÷5
2512242.6
n2
157784072031369
n3
1.9819593367934E+21
n4
2.48958133868E+28
n5
3.1272161475985E+35
2 √n
3544.1801590777
3 √n
232.45765907198
4 √n
59.533017385966
5 √n
26.290952225614
1 , 3 , 7 , 21 , 587 , 1019 , 1761 , 3057 , 4109 , 7133 , 12327 , 21399 , 598153 , 1794459 , 4187071 , 12561213
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
-12561212
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 12561213 can be divided by 16 positive divisors.
The sum of these divisors (counting 12561213) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111111010101100111101
3
Ternary
212122011202010
4
Quaternary
233322230331
5
Quinary
11203424323
6
Senary
1125121433
8
Octal
57725475
10
Decimal
12561213
12
Duodecimal
4259279
16
Hexadecimal
bfab3d
20
Vigesimal
3ia30d
36
Base36
7h8al
md5
8d36446f6f4690578a71f851f297baab
sha1
5d20576ed652d8a0b294056a0aa8b0888278e76b
sha256
dba3b38080317b465302ac01885545ba97efa6885fe6212266a4dee621ea87a7
sha512
486d2da99015bad53e7da6ca416fbae04a744aedf3a9854b8d40c5bc43699278672d36fd282a456316d93f9084cb515529cab9a35b5d7d37df9fe4c577603b65
ripemd-160
bbfb271ace7a7d0441b70dfd208fcceb6f6ec962
Diameter
25122426
Circumference
78924428.961953
Area
4.9569328154723E+14
Volume
8.302011856245E+21
Surface area
1.9827731261889E+15
Circumference
78924428.961953
Perimeter
50244852
Area
157784072031369
Diagonal
17764237.784457
Surface area
946704432188214
Volume
1.9819593367934E+21
Space diagonal
21756659.120695
Perimeter
37683639
Area
68322507345860
Altitude
10878329.560347
Surface area
68322507345860
Volume
2.335761478471E+20
Height
5921412.5948191