12821916 is an even 8-digits composite number following 12821915
and preceding 12821917 . In scientific notation, it is written as 1.2821916 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 4242672 positive integers (up to 12821916) that are relatively prime to 12821916.
12821916 has 24 divisors, whose sum is 30136960
The reverse of 12821916 is 61912821
Previous prime number is 139
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twelve million eight hundred twenty-one thousand nine hundred sixteen
Scientific notation
1.2821916 × 10^7
Engineering notation
1.2821916 × 10^6
Prime Factorization
2 × 2 × 3 × 139 × 7687
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
6410958
Product of the distinct prime numbers
The prime factorization of 12821916 is 2 × 2 × 3 × 139 × 7687.
Since it has a total of 5 prime factors.
9 , 4 , 54 , 18 , 2 , 87 , 9294 , 4187 , 76872 , 48968 , 444095 , 412180 , 3309518 , 1630860 , 70377822 , 62956274 , 736190727 , 44895630 , 3657924351 , 4367886865
n×2
25643832
n×3
38465748
n×4
51287664
n×5
64109580
n÷2
6410958
n÷3
4273972
n÷3
3205479
n÷5
2564383.2
n2
164401529911056
n3
2.107942606791E+21
n4
2.7027863037096E+28
n5
3.4654898952115E+35
2 √n
3580.7703081879
3 √n
234.05484871035
4 √n
59.839538001123
5 √n
26.399189012411
1 , 2 , 3 , 4 , 6 , 12 , 139 , 278 , 417 , 556 , 834 , 1668 , 7687 , 15374 , 23061 , 30748 , 46122 , 92244 , 1068493 , 2136986 , 3205479 , 4273972 , 6410958 , 12821916
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-12821915
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12821916 can be divided by 24 positive divisors.
The sum of these divisors (counting 12821916) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000111010010110011100
3
Ternary
220010102100210
4
Quaternary
300322112130
5
Quinary
11240300131
6
Senary
1134452420
8
Octal
60722634
10
Decimal
12821916
12
Duodecimal
4364110
16
Hexadecimal
c3a59c
20
Vigesimal
402efg
36
Base36
7mtgc
md5
4d8293d50ccc55739810363e3e8edf94
sha1
ef421542646139d9b63f60e23aca3f415a8bf263
sha256
1e5c5a732f7c8d58485c7636817aec51e9159af4074b1c9cf44226ecce865dcd
sha512
79f4cb12a4d5c634c95b847084a4f55813f3d5e0c3f132d1085937e03ad750579701c956b833642953c750a055947f35c19b7b945b4c3aa1962466d90799ce2a
ripemd-160
d2b52e984c5b014a840bcacedd50a5a078beeafe
Diameter
25643832
Circumference
80562474.221091
Area
5.164826386075E+14
Volume
8.8297293435782E+21
Surface area
2.06593055443E+15
Circumference
80562474.221091
Perimeter
51287664
Area
164401529911056
Diagonal
18132927.502809
Surface area
986409179466336
Volume
2.107942606791E+21
Space diagonal
22208209.96238
Perimeter
38465748
Area
71187950662001
Altitude
11104104.98119
Surface area
71187950662001
Volume
2.4842341860233E+20
Height
6044309.1676029