12872021 is an odd 8-digits prime number following 12872020
and preceding 12872022 . In scientific notation, it is written as 1.2872021 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 12872020 positive integers (up to 12872021) that are relatively prime to 12872021.
12872021 has 2 divisors, whose sum is 12872022
The reverse of 12872021 is 12027821
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twelve million eight hundred seventy-two thousand twenty-one
Scientific notation
1.2872021 × 10^7
Engineering notation
1.2872021 × 10^6
Prime Factorization
12872021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
12872021
Product of the distinct prime numbers
The prime factorization of 12872021 is 12872021.
Since it has a total of 1 prime factors.
3 , 9 , 94 , 17 , 587 , 120 , 9980 , 5989 , 43993 , 82819 , 262274 , 680877 , 2334175 , 8912724 , 89914964 , 97961641 , 32949264 , 572330998 , 6324616296 , 7021746811
n×2
25744042
n×3
38616063
n×4
51488084
n×5
64360105
n÷2
6436010.5
n÷3
4290673.6666667
n÷3
3218005.25
n÷5
2574404.2
n2
165688924624441
n3
2.1327513172332E+21
n4
2.7452819743204E+28
n5
3.5337327224373E+35
2 √n
3587.759886057
3 √n
234.35932934633
4 √n
59.897912201153
5 √n
26.419789188423
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
12872022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
6436011
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3587.7600254198
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998446243
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 12872021 can be divided by 2 positive divisors.
The sum of these divisors (counting 12872021) is 12872022, the average is 6436011.
Base
System
Value
2
Binary
110001000110100101010101
3
Ternary
220012222002112
4
Quaternary
301012211111
5
Quinary
11243401041
6
Senary
1135520405
8
Octal
61064525
10
Decimal
12872021
12
Duodecimal
4389105
16
Hexadecimal
c46955
20
Vigesimal
409011
36
Base36
7nw45
md5
b11c6e5182081d459a82113ab906fd90
sha1
f7ddf1b13040991bef5a5abd63cb744da6b378a6
sha256
dc1e4af0f2897d4325526600851f17e0927f3fbaf4bd24a1ca951b899dd9564f
sha512
cc0975b13baafb6612d967392ca4df02d0e22605929a38c571a06a40c98fc2e2be5b3b20454bb585b2b1c7f49face8a4b48b30ec6ac516825eab71525466590d
ripemd-160
fa5f6cf71c8a17e63133151badceb8512435e20f
Diameter
25744042
Circumference
80877293.220907
Area
5.2052710838134E+14
Volume
8.9336478268718E+21
Surface area
2.0821084335253E+15
Circumference
80877293.220907
Perimeter
51488084
Area
165688924624441
Diagonal
18203786.673351
Surface area
994133547746646
Volume
2.1327513172332E+21
Space diagonal
22294994.368094
Perimeter
38616063
Area
71745408925245
Altitude
11147497.184047
Surface area
71745408925245
Volume
2.5134715316669E+20
Height
6067928.8911171