12821405 is an odd 8-digits composite number following 12821404
and preceding 12821406 . In scientific notation, it is written as 1.2821405 × 10^7.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 10191168 positive integers (up to 12821405) that are relatively prime to 12821405.
12821405 has 8 divisors, whose sum is 15484632
The reverse of 12821405 is 50412821
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twelve million eight hundred twenty-one thousand four hundred five
Scientific notation
1.2821405 × 10^7
Engineering notation
1.2821405 × 10^6
Prime Factorization
5 × 157 × 16333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12821405
Product of the distinct prime numbers
The prime factorization of 12821405 is 5 × 157 × 16333.
Since it has a total of 3 prime factors.
9 , 6 , 67 , 6 , 171 , 77 , 3509 , 4438 , 23892 , 8778 , 475356 , 399190 , 6494637 , 9410618 , 75486314 , 95596504 , 220319901 , 889870970 , 9991901958 , 5193224051
n×2
25642810
n×3
38464215
n×4
51285620
n×5
64107025
n÷2
6410702.5
n÷3
4273801.6666667
n÷3
3205351.25
n÷5
2564281
n2
164388426174025
n3
2.1076905892898E+21
n4
2.7023554659973E+28
n5
3.4647993883515E+35
2 √n
3580.698954115
3 √n
234.05173935663
4 √n
59.83894178639
5 √n
26.398978588311
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821404
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821405 can be divided by 8 positive divisors.
The sum of these divisors (counting 12821405) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111010001110011101
3
Ternary
220010101122212
4
Quaternary
300322032131
5
Quinary
11240241110
6
Senary
1134450205
8
Octal
60721635
10
Decimal
12821405
12
Duodecimal
4363965
16
Hexadecimal
c3a39d
20
Vigesimal
402da5
36
Base36
7mt25
md5
7b5f14f201cb2d8c36e11174db9c3e02
sha1
3e688a9efbe015a5800335c9bd96da2e4aca0470
sha256
b9f80711026914392bd280ebce12d41558c8fe1f8db5ff2c5f1c7f9d41d540ce
sha512
e97e148f254ff8eeb00fd5daedae523ea11509942f509270b7d79c3f2048e64b25da0628da132a78ee639a7ff320689a039eef6d938ab6801849290bbd969c7b
ripemd-160
0c45fc6ed6d9a28406829ea5796f38d12aa1a4f2
Diameter
25642810
Circumference
80559263.513399
Area
5.1644147200350E+14
Volume
8.8286736951375E+21
Surface area
2.065765888014E+15
Circumference
80559263.513399
Perimeter
51285620
Area
164388426174025
Diagonal
18132204.839678
Surface area
986330557044150
Volume
2.1076905892898E+21
Space diagonal
22207324.884418
Perimeter
38464215
Area
71182276577424
Altitude
11103662.442209
Surface area
71182276577424
Volume
2.4839371805498E+20
Height
6044068.2798927