12821720 is an even 8-digits composite number following 12821719
and preceding 12821721 . In scientific notation, it is written as 1.2821720 × 10^7.
The sum of its digits is 23. It has a total of 6 prime factors and 32 positive divisors.
There are 5057280 positive integers (up to 12821720) that are relatively prime to 12821720.
12821720 has 32 divisors, whose sum is 29250720
The reverse of 12821720 is 02712821
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twelve million eight hundred twenty-one thousand seven hundred twenty
Scientific notation
1.2821720 × 10^7
Engineering notation
1.2821720 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 73 × 4391
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3205430
Product of the distinct prime numbers
The prime factorization of 12821720 is 2 × 2 × 2 × 5 × 73 × 4391.
Since it has a total of 6 prime factors.
10 , 4 , 30 , 44 , 62 , 940 , 7492 , 1831 , 25869 , 83526 , 151244 , 345447 , 1526843 , 4702931 , 40001663 , 73771315 , 659760647 , 174268397 , 3310751037 , 2978160193
n×2
25643440
n×3
38465160
n×4
51286880
n×5
64108600
n÷2
6410860
n÷3
4273906.6666667
n÷3
3205430
n÷5
2564344
n2
164396503758400
n3
2.1078459401692E+21
n4
2.7026210447986E+28
n5
3.4652250302515E+35
2 √n
3580.7429396705
3 √n
234.05365609129
4 √n
59.839309318127
5 √n
26.399108302591
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 73 , 146 , 292 , 365 , 584 , 730 , 1460 , 2920 , 4391 , 8782 , 17564 , 21955 , 35128 , 43910 , 87820 , 175640 , 320543 , 641086 , 1282172 , 1602715 , 2564344 , 3205430 , 6410860 , 12821720
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
-12821719
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 12821720 can be divided by 32 positive divisors.
The sum of these divisors (counting 12821720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
110000111010010011011000
3
Ternary
220010102002112
4
Quaternary
300322103120
5
Quinary
11240243340
6
Senary
1134451452
8
Octal
60722330
10
Decimal
12821720
12
Duodecimal
4363b88
16
Hexadecimal
c3a4d8
20
Vigesimal
402e60
36
Base36
7mtaw
md5
4a8674eaf79155384a74b722f649d319
sha1
cfb29f7923f4f4cbf226cf90d6f811cf570cfd0e
sha256
3452144f42965b4be3289b61cb97ee13d1d583d733fc7f9cd967cfc678454d3e
sha512
59b18bdc79d2a830a00c4b9fd9b883b273c6bd17c1e52a3e202c9a46d7e7431a731d1b03654d1776fe22f4cab95d13aae7ce22e62825e8d72c9c48033e8155c6
ripemd-160
a9320ee54dcef8f7e60429998b4a11afb3cc301b
Diameter
25643440
Circumference
80561242.716771
Area
5.1646684848324E+14
Volume
8.8293244273793E+21
Surface area
2.0658673939329E+15
Circumference
80561242.716771
Perimeter
51286880
Area
164396503758400
Diagonal
18132650.31695
Surface area
986379022550400
Volume
2.1078459401692E+21
Space diagonal
22207870.480422
Perimeter
38465160
Area
71185774274059
Altitude
11103935.240211
Surface area
71185774274059
Volume
2.4841202633169E+20
Height
6044216.7723168