28771509 is an odd 8-digits composite number following 28771508
and preceding 28771510 . In scientific notation, it is written as 2.8771509 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 17094336 positive integers (up to 28771509) that are relatively prime to 28771509.
28771509 has 16 divisors, whose sum is 42739200
The reverse of 28771509 is 90517782
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million seven hundred seventy-one thousand five hundred nine
Scientific notation
2.8771509 × 10^7
Engineering notation
2.8771509 × 10^6
Prime Factorization
13 × 3 × 29 × 25439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28771509
Product of the distinct prime numbers
The prime factorization of 28771509 is 13 × 3 × 29 × 25439.
Since it has a total of 4 prime factors.
5 , 4 , 94 , 93 , 983 , 958 , 7535 , 1713 , 94426 , 17948 , 970625 , 438591 , 4045201 , 2814655 , 63687801 , 45451746 , 859771085 , 331207994 , 3168915188 , 7364357163
n×2
57543018
n×3
86314527
n×4
115086036
n×5
143857545
n÷2
14385754.5
n÷3
9590503
n÷3
7192877.25
n÷5
5754301.8
n2
827799730137081
n3
2.3817047385837E+22
n4
6.8525239321502E+29
n5
1.9715745398658E+37
2 √n
5363.9079969738
3 √n
306.42266126503
4 √n
73.238705593244
5 √n
31.030768264649
1 , 3 , 13 , 29 , 39 , 87 , 377 , 1131 , 25439 , 76317 , 330707 , 737731 , 992121 , 2213193 , 9590503 , 28771509
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28771508
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28771509 can be divided by 16 positive divisors.
The sum of these divisors (counting 28771509) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101110000010010110101
3
Ternary
2000010202002110
4
Quaternary
1231300102311
5
Quinary
24331142014
6
Senary
2504401233
8
Octal
155602265
10
Decimal
28771509
12
Duodecimal
9776219
16
Hexadecimal
1b704b5
20
Vigesimal
8jg8f9
36
Base36
h4o8l
md5
3e81956d4d5a2b415851262a2a03135a
sha1
af294cfba535cd7edb1a8d2eb3a1a03be9ffcb1e
sha256
01a8821cdba2e9d50d202f0d71cd403fa2bb7669c41306677a214a9a1b452632
sha512
353c24e50fad7320d16042118872800b8eb3b782f8a409d34fa542bf1cca754e9443c732a2443c306026dfcb065e43dcbbffa4946ccddf724187a8bd48e8a171
ripemd-160
88f7e56b7ff34ffdfe713d2f8259f26933355103
Diameter
57543018
Circumference
180776722.61419
Area
2.6006095508423E+15
Volume
9.9764614796726E+22
Surface area
1.0402438203369E+16
Circumference
180776722.61419
Perimeter
115086036
Area
827799730137081
Diagonal
40689058.23774
Surface area
4966798380822486
Volume
2.3817047385837E+22
Space diagonal
49833715.398425
Perimeter
86314527
Area
3.5844779777231E+14
Altitude
24916857.699213
Surface area
3.5844779777231E+14
Volume
2.8068659523944E+21
Height
13563019.41258