28937085 is an odd 8-digits composite number following 28937084
and preceding 28937086 . In scientific notation, it is written as 2.8937085 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 15397760 positive integers (up to 28937085) that are relatively prime to 28937085.
28937085 has 16 divisors, whose sum is 46405440
The reverse of 28937085 is 58073982
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred thirty-seven thousand eighty-five
Scientific notation
2.8937085 × 10^7
Engineering notation
2.8937085 × 10^6
Prime Factorization
3 × 5 × 491 × 3929
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28937085
Product of the distinct prime numbers
The prime factorization of 28937085 is 3 × 5 × 491 × 3929.
Since it has a total of 4 prime factors.
5 , 9 , 93 , 18 , 768 , 308 , 3383 , 2028 , 31489 , 31646 , 450844 , 891556 , 5906476 , 1059869 , 82677030 , 40094703 , 919436005 , 547429500 , 8473653293 , 181087322
n×2
57874170
n×3
86811255
n×4
115748340
n×5
144685425
n÷2
14468542.5
n÷3
9645695
n÷3
7234271.25
n÷5
5787417
n2
837354888297225
n3
2.4230609577822E+22
n4
7.0116320895526E+29
n5
2.0289619376411E+37
2 √n
5379.320124328
3 √n
307.00934375817
4 √n
73.34384857865
5 √n
31.066401876269
1 , 3 , 5 , 15 , 491 , 1473 , 2455 , 3929 , 7365 , 11787 , 19645 , 58935 , 1929139 , 5787417 , 9645695 , 28937085
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
-28937084
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 28937085 can be divided by 16 positive divisors.
The sum of these divisors (counting 28937085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110011000101101111101
3
Ternary
2000110011012220
4
Quaternary
1232120231331
5
Quinary
24401441320
6
Senary
2512115553
8
Octal
156305575
10
Decimal
28937085
12
Duodecimal
9835bb9
16
Hexadecimal
1b98b7d
20
Vigesimal
90h2e5
36
Base36
h87zx
md5
93008a14092cf37e1e3dbea667c309c7
sha1
c71c447080d39cae11a848b084420f08834337d6
sha256
b07c2c48a7ede098369d51cdbb4064a8f98e80fd0dea684b450850a8167bd221
sha512
5b51e673463d9b87291647082a44784b46b10c81a471b06cafac06725a619e7b072fcd8d4f7e92845ad3981195940f525216157400dd8363f26124a5295b0c16
ripemd-160
f8956cf1cbae3b1f6201283d286161900f79baa0
Diameter
57874170
Circumference
181817067.30461
Area
2.6306279655221E+15
Volume
1.0149694005559E+23
Surface area
1.0522511862088E+16
Circumference
181817067.30461
Perimeter
115748340
Area
837354888297225
Diagonal
40923218.062543
Surface area
5024129329783350
Volume
2.4230609577822E+22
Space diagonal
50120501.442939
Perimeter
86811255
Area
3.6258530262424E+14
Altitude
25060250.72147
Surface area
3.6258530262424E+14
Volume
2.855604724127E+21
Height
13641072.687514