8721379428 is an even 10-digits composite number following 8721379427
and preceding 8721379429 . In scientific notation, it is written as 8.721379428 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 12 positive divisors.
There are 2907126472 positive integers (up to 8721379428) that are relatively prime to 8721379428.
8721379428 has 12 divisors, whose sum is 20349885360
The reverse of 8721379428 is 8249731278
Previous prime number is 3
Is Prime? no Number parity even Number length 10 Sum of Digits 51 Digital Root 6
Name
eight billion seven hundred twenty-one million three hundred seventy-nine thousand four hundred twenty-eight
Scientific notation
8.721379428 × 10^9
Engineering notation
8.721379428 × 10^9
Prime Factorization
2 × 2 × 3 × 726781619
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
4360689714 Product of the distinct prime numbers
The prime factorization of 8721379428 is 2 × 2 × 3 × 726781619.
Since it has a total of 4 prime factors.
9 , 1 , 20 , 13 , 951 , 867 , 7718 , 6906 , 41310 , 15379 , 117687 , 349256 , 8312075 , 7775502 , 76498502 , 51182337 , 921792209 , 126930665 , 8635190208 , 8199505489
n×2
17442758856
n×3
26164138284
n×4
34885517712
n×5
43606897140
n÷2
4360689714
n÷3
2907126476
n÷3
2180344857
n÷5
1744275885.6
n2
7.6062459127142E+19
n3
6.6336956627454E+29
n4
5.7854976884681E+39
n5
5.0457520520947E+49
2 √n93388.32597279
3 √n2058.3934616662
4 √n305.59503590993
5 √n97.300940072013
1 , 2 , 3 , 4 , 6 , 12 , 726781619 , 1453563238 , 2180344857 , 2907126476 , 4360689714 , 8721379428
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
-8721379427 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 8721379428 can be divided by 12 positive divisors.
The sum of these divisors (counting 8721379428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000000111110101011011000001100100
3
Ternary
211111210210222102220
4
Quaternary
20013311123001210
5
Quinary
120330133120203
6
Senary
4001225232340
8
Octal
100765330144
10
Decimal
8721379428
12
Duodecimal
18349326b0
16
Hexadecimal
207d5b064
20
Vigesimal
6g58c8b8
36
Base36
408hffo
md5
26879cd07249fe2aa7e6a95e07c86686
sha1
fb0b28edb2a864978b3b749e46a197c722d1572e
sha256
a0b23482d50e2e8f0a84e1da6deed5f025a016bd1084a12dc734c61bd4872e9e
sha512
32caf786b0e7fd0ff69a7ac55971cb4f26cf2b41d003dc51c0de4093c41997adba9e69b10cf485cea0095ffb9598016c61134e57b46e8b549c318793bbfbb8b1
ripemd-160
469c81aa16ac3b4ca9e20ee766028a0741a6344b
Diameter
17442758856
Circumference
54798043080.348
Area
2.389572628078E+20
Volume
2.7787159413642E+30
Surface area
9.5582905123121E+20
Circumference
54798043080.348
Perimeter
34885517712
Area
7.6062459127142E+19
Diagonal
12333893069.679
Surface area
4.5637475476285E+20
Volume
6.6336956627454E+29
Space diagonal
15105872281.382
Perimeter
26164138284
Area
3.293601093921E+19
Altitude
7552936140.691
Surface area
3.293601093921E+19
Volume
7.8178853124251E+28
Height
4111297689.8931