12721864 is an even 8-digits composite number following 12721863
and preceding 12721865 . In scientific notation, it is written as 1.2721864 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 8 positive divisors.
There are 6360928 positive integers (up to 12721864) that are relatively prime to 12721864.
12721864 has 8 divisors, whose sum is 23853510
The reverse of 12721864 is 46812721
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twelve million seven hundred twenty-one thousand eight hundred sixty-four
Scientific notation
1.2721864 × 10^7
Engineering notation
1.2721864 × 10^6
Prime Factorization
2 × 2 × 2 × 1590233
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3180466
Product of the distinct prime numbers
The prime factorization of 12721864 is 2 × 2 × 2 × 1590233.
Since it has a total of 4 prime factors.
6 , 6 , 36 , 52 , 933 , 705 , 5465 , 4702 , 12100 , 92117 , 587237 , 705748 , 3628881 , 9255577 , 8596706 , 48497388 , 983021604 , 697081529 , 4728052621 , 4006029534
n×2
25443728
n×3
38165592
n×4
50887456
n×5
63609320
n÷2
6360932
n÷3
4240621.3333333
n÷3
3180466
n÷5
2544372.8
n2
161845823634496
n3
2.058980557246E+21
n4
2.6194070627928E+28
n5
3.332374041349E+35
2 √n
3566.7722102764
3 √n
233.44446588199
4 √n
59.722459847836
5 √n
26.357860170718
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
-12721863
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 12721864 can be divided by 8 positive divisors.
The sum of these divisors (counting 12721864) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000100001111011001000
3
Ternary
212221100010011
4
Quaternary
300201323020
5
Quinary
11224044424
6
Senary
1132401304
8
Octal
60417310
10
Decimal
12721864
12
Duodecimal
4316234
16
Hexadecimal
c21ec8
20
Vigesimal
3ja4d4
36
Base36
7ko94
md5
dd8bc95afa43a33f0d0a2cd9dd97af4e
sha1
0887e15334f36585c4e2314a488e29c773d38da7
sha256
eee0de4e3c7a319216b646f7fcb2be68937fb8fbe9edebd8cbb6324beea29a8a
sha512
79797806d3f2b5307834c1dd0d052d6b849669627e162715475c0ff27422f0b8759fcddfd03bb205b51c39bd611c3a8104ac3808d170ab9a334aafc178e6638c
ripemd-160
933bdf6e33bd39c0fe5ee2345a6891e2196b6fca
Diameter
25443728
Circumference
79933828.964737
Area
5.0845365054432E+14
Volume
8.6246375900379E+21
Surface area
2.0338146021773E+15
Circumference
79933828.964737
Perimeter
50887456
Area
161845823634496
Diagonal
17991432.607466
Surface area
971074941806976
Volume
2.058980557246E+21
Space diagonal
22034914.814981
Perimeter
38165592
Area
70081297381945
Altitude
11017457.407491
Surface area
70081297381945
Volume
2.4265318572666E+20
Height
5997144.2024887