12821860 is an even 8-digits composite number following 12821859
and preceding 12821861 . In scientific notation, it is written as 1.2821860 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 5128736 positive integers (up to 12821860) that are relatively prime to 12821860.
12821860 has 12 divisors, whose sum is 26925948
The reverse of 12821860 is 06812821
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twelve million eight hundred twenty-one thousand eight hundred sixty
Scientific notation
1.2821860 × 10^7
Engineering notation
1.2821860 × 10^6
Prime Factorization
2 × 2 × 5 × 641093
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6410930
Product of the distinct prime numbers
The prime factorization of 12821860 is 2 × 2 × 5 × 641093.
Since it has a total of 4 prime factors.
2 , 7 , 64 , 30 , 290 , 723 , 6215 , 5401 , 20106 , 55871 , 187444 , 114153 , 3736116 , 4035077 , 50920410 , 99713156 , 377356162 , 515941771 , 12936073 , 3389796403
n×2
25643720
n×3
38465580
n×4
51287440
n×5
64109300
n÷2
6410930
n÷3
4273953.3333333
n÷3
3205465
n÷5
2564372
n2
164400093859600
n3
2.1079149874547E+21
n4
2.7027390861045E+28
n5
3.465414217856E+35
2 √n
3580.7624886328
3 √n
234.05450796329
4 √n
59.839472663392
5 √n
26.399165952563
1 , 2 , 4 , 5 , 10 , 20 , 641093 , 1282186 , 2564372 , 3205465 , 6410930 , 12821860
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821859
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821860 can be divided by 12 positive divisors.
The sum of these divisors (counting 12821860) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
110000111010010101100100
3
Ternary
220010102021201
4
Quaternary
300322111210
5
Quinary
11240244420
6
Senary
1134452244
8
Octal
60722544
10
Decimal
12821860
12
Duodecimal
4364084
16
Hexadecimal
c3a564
20
Vigesimal
402ed0
36
Base36
7mtes
md5
513f441bee9128fdab73ecbbabe3c0da
sha1
e0829a9dff39d189eb31d281d02c23dde15607f4
sha256
bbddfcd51264b070b6e3374577f17983cd8c5d1a2e3288ddc92e8d498c858abc
sha512
ce29ec1695a455da156bfa7d4bf71e40e26c25ac001f8a033dd0b7c8239a73a7f1acb8f8a8236d12336ef703d76f62c214ca860e18f934ad62920933f704b511
ripemd-160
abb4ffe1bf28fb3e47d0328d036d42c9028c7213
Diameter
25643720
Circumference
80562122.362714
Area
5.1647812711879E+14
Volume
8.8296136519725E+21
Surface area
2.0659125084752E+15
Circumference
80562122.362714
Perimeter
51287440
Area
164400093859600
Diagonal
18132848.306849
Surface area
986400563157600
Volume
2.1079149874547E+21
Space diagonal
22208112.967535
Perimeter
38465580
Area
71187328833480
Altitude
11104056.483768
Surface area
71187328833480
Volume
2.4842016363232E+20
Height
6044282.7689497