12821885 is an odd 8-digits composite number following 12821884
and preceding 12821886 . In scientific notation, it is written as 1.2821885 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10218304 positive integers (up to 12821885) that are relatively prime to 12821885.
12821885 has 8 divisors, whose sum is 15445080
The reverse of 12821885 is 58812821
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twelve million eight hundred twenty-one thousand eight hundred eighty-five
Scientific notation
1.2821885 × 10^7
Engineering notation
1.2821885 × 10^6
Prime Factorization
5 × 269 × 9533
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
12821885
Product of the distinct prime numbers
The prime factorization of 12821885 is 5 × 269 × 9533.
Since it has a total of 3 prime factors.
8 , 9 , 56 , 95 , 824 , 936 , 7371 , 4096 , 85085 , 39391 , 282550 , 899577 , 9479444 , 9242526 , 27421084 , 74895265 , 244176647 , 317064680 , 8721561462 , 4751268678
n×2
25643770
n×3
38465655
n×4
51287540
n×5
64109425
n÷2
6410942.5
n÷3
4273961.6666667
n÷3
3205471.25
n÷5
2564377
n2
164400734953225
n3
2.1079273174857E+21
n4
2.7027601653161E+28
n5
3.4654480022263E+35
2 √n
3580.7659795077
3 √n
234.05466008263
4 √n
59.839501832049
5 √n
26.399176247148
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
-12821884
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 12821885 can be divided by 8 positive divisors.
The sum of these divisors (counting 12821885) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000111010010101111101
3
Ternary
220010102022122
4
Quaternary
300322111331
5
Quinary
11240300020
6
Senary
1134452325
8
Octal
60722575
10
Decimal
12821885
12
Duodecimal
43640a5
16
Hexadecimal
c3a57d
20
Vigesimal
402ee5
36
Base36
7mtfh
md5
b7a80247e51509f4aea534ce87ff0eb2
sha1
5358f218282e55a791c3fbb16c046f60892d9751
sha256
8efe56bb85d81a962c8caadd3658af9c58fbbb6d73e0d4e1e6ded5d4b627a0a2
sha512
59097cbf4c2d8a4859401333ad419e436d0d8f5fb30400ea7d74b416add45470fbd5a705a747ae0f5cd110e250cef7d07758fcfcec5f42b4d62d6653a20588b4
ripemd-160
8045d7fe01b327f506c6fbf6d50afd48ee8ee769
Diameter
25643770
Circumference
80562279.442346
Area
5.1648014117381E+14
Volume
8.8296652998859E+21
Surface area
2.0659205646953E+15
Circumference
80562279.442346
Perimeter
51287540
Area
164400734953225
Diagonal
18132883.662188
Surface area
986404409719350
Volume
2.1079273174857E+21
Space diagonal
22208156.268805
Perimeter
38465655
Area
71187606435163
Altitude
11104078.134403
Surface area
71187606435163
Volume
2.4842161674042E+20
Height
6044294.5540627