28235787 is an odd 8-digits composite number following 28235786
and preceding 28235788 . In scientific notation, it is written as 2.8235787 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 18809760 positive integers (up to 28235787) that are relatively prime to 28235787.
28235787 has 8 divisors, whose sum is 37675920
The reverse of 28235787 is 78753282
Previous prime number is 1789
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million two hundred thirty-five thousand seven hundred eighty-seven
Scientific notation
2.8235787 × 10^7
Engineering notation
2.8235787 × 10^6
Prime Factorization
3 × 1789 × 5261
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28235787
Product of the distinct prime numbers
The prime factorization of 28235787 is 3 × 1789 × 5261.
Since it has a total of 3 prime factors.
6 , 3 , 48 , 1 , 122 , 366 , 1152 , 2917 , 31232 , 54364 , 630016 , 644120 , 2383308 , 5543903 , 72582828 , 13143382 , 547155810 , 535427109 , 7292932742 , 6913574402
n×2
56471574
n×3
84707361
n×4
112943148
n×5
141178935
n÷2
14117893.5
n÷3
9411929
n÷3
7058946.75
n÷5
5647157.4
n2
797259667509369
n3
2.2511254155485E+22
n4
6.3562297743715E+29
n5
1.7947315003221E+37
2 √n
5313.7356915827
3 √n
304.50888264402
4 √n
72.895374967022
5 √n
30.914340026545
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
-28235786
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 28235787 can be divided by 8 positive divisors.
The sum of these divisors (counting 28235787) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011101101100000001011
3
Ternary
1222010112012220
4
Quaternary
1223231200023
5
Quinary
24212021122
6
Senary
2445105123
8
Octal
153554013
10
Decimal
28235787
12
Duodecimal
95581a3
16
Hexadecimal
1aed80b
20
Vigesimal
8g9997
36
Base36
gt6vf
md5
b46e3061ff41d9151881228ddb808fe1
sha1
70a7e8df3f60ad51b397117fdb80cba69410c4c4
sha256
6ddcef5517b83f585556f8866ea4dc90978708d2f925f9c9fb08d33ccd5082bf
sha512
17562ddb8e008b78d18dad5b291f6e17c405fbc0be098057bcd5f9d44a67a3a5fa909909e5832882fb44f5ef725c7e2a81327d4b85e80185d6dad05b883f53d7
ripemd-160
b7672a38fd6201d913e3e85109340a95a0c4c5ad
Diameter
56471574
Circumference
177410682.01505
Area
2.5046651144509E+15
Volume
9.4294920903954E+22
Surface area
1.0018660457803E+16
Circumference
177410682.01505
Perimeter
112943148
Area
797259667509369
Diagonal
39931432.919678
Surface area
4783558005056214
Volume
2.2511254155485E+22
Space diagonal
48905817.675693
Perimeter
84707361
Area
3.4522356273792E+14
Altitude
24452908.837846
Surface area
3.4522356273792E+14
Volume
2.6529767443929E+21
Height
13310477.639893