28291279 is an odd 8-digits prime number following 28291278
and preceding 28291280 . In scientific notation, it is written as 2.8291279 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 28291278 positive integers (up to 28291279) that are relatively prime to 28291279.
28291279 has 2 divisors, whose sum is 28291280
The reverse of 28291279 is 97219282
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-eight million two hundred ninety-one thousand two hundred seventy-nine
Scientific notation
2.8291279 × 10^7
Engineering notation
2.8291279 × 10^6
Prime Factorization
28291279
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28291279
Product of the distinct prime numbers
The prime factorization of 28291279 is 28291279.
Since it has a total of 1 prime factors.
2 , 7 , 55 , 33 , 633 , 768 , 7225 , 7138 , 85722 , 94264 , 476600 , 143216 , 9460806 , 9466255 , 33853330 , 5252872 , 621472526 , 388543051 , 6021351455 , 2158559661
n×2
56582558
n×3
84873837
n×4
113165116
n×5
141456395
n÷2
14145639.5
n÷3
9430426.3333333
n÷3
7072819.75
n÷5
5658255.8
n2
800396467455841
n3
2.2644239771408E+22
n4
6.4063450511579E+29
n5
1.8124369521258E+37
2 √n
5318.9546905384
3 √n
304.70823661978
4 √n
72.93116405583
5 √n
30.926481721423
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28291280
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14145640
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5318.9547845418
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999293068
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28291279 can be divided by 2 positive divisors.
The sum of these divisors (counting 28291279) is 28291280, the average is 14145640.
Base
System
Value
2
Binary
1101011111011000011001111
3
Ternary
1222020100100011
4
Quaternary
1223323003033
5
Quinary
24220310104
6
Senary
2450214051
8
Octal
153730317
10
Decimal
28291279
12
Duodecimal
9584327
16
Hexadecimal
1afb0cf
20
Vigesimal
8gg83j
36
Base36
gudov
md5
5741c4d30adf58cc164efd201d5e3810
sha1
7b108f154d3b54c7a9dfa03bb3f8e8ee6fdb3f5f
sha256
0e6813b10c68d32f6b8e7f544869a0643378be17cc3b8f90fe8c0dd16fd69cec
sha512
71a77b601539756db95de88e944df70d0182efc1819b3192bba0c5e289f19dcc28fe51f6bed7410f85843ccd9a976875bb5e6ec4e1217828c1889ac5f407e5f2
ripemd-160
147baa8485ec62cb9c3f3b538110bab5a3ff93de
Diameter
56582558
Circumference
177759348.53412
Area
2.5145196621185E+15
Volume
9.4851969749307E+22
Surface area
1.0058078648474E+16
Circumference
177759348.53412
Perimeter
113165116
Area
800396467455841
Diagonal
40009910.458681
Surface area
4802378804735046
Volume
2.2644239771408E+22
Space diagonal
49001932.639106
Perimeter
84873837
Area
3.4658183695804E+14
Altitude
24500966.319553
Surface area
3.4658183695804E+14
Volume
2.6686492495294E+21
Height
13336636.81956