28581680 is an even 8-digits composite number following 28581679
and preceding 28581681 . In scientific notation, it is written as 2.8581680 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 11432640 positive integers (up to 28581680) that are relatively prime to 28581680.
28581680 has 20 divisors, whose sum is 66452592
The reverse of 28581680 is 08618582
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million five hundred eighty-one thousand six hundred eighty
Scientific notation
2.8581680 × 10^7
Engineering notation
2.8581680 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 357271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
3572710
Product of the distinct prime numbers
The prime factorization of 28581680 is 2 × 2 × 2 × 2 × 5 × 357271.
Since it has a total of 6 prime factors.
8 , 10 , 53 , 8 , 88 , 966 , 1235 , 7195 , 10911 , 23080 , 621594 , 955727 , 7288044 , 3477249 , 81585792 , 77909904 , 872960991 , 178777803 , 3832638999 , 7394599491
n×2
57163360
n×3
85745040
n×4
114326720
n×5
142908400
n÷2
14290840
n÷3
9527226.6666667
n÷3
7145420
n÷5
5716336
n2
816912431622400
n3
2.3348729708653E+22
n4
6.6734592093922E+29
n5
1.907386756159E+37
2 √n
5346.1836855836
3 √n
305.74726736158
4 √n
73.117601749398
5 √n
30.989712737081
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 357271 , 714542 , 1429084 , 1786355 , 2858168 , 3572710 , 5716336 , 7145420 , 14290840 , 28581680
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28581679
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28581680 can be divided by 20 positive divisors.
The sum of these divisors (counting 28581680) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101101000001111100110000
3
Ternary
1222210002200202
4
Quaternary
1231001330300
5
Quinary
24304103210
6
Senary
2500334332
8
Octal
155017460
10
Decimal
28581680
12
Duodecimal
96a43a8
16
Hexadecimal
1b41f30
20
Vigesimal
8ice40
36
Base36
h0lrk
md5
a314e2c8c6adf7bd4e5d322d75a3e2f6
sha1
dfb18066e2c9e0ac3e153c10c13a888cf13f0453
sha256
b8ff701ccc890dffedd74ea1bcf86b72de5a145be093ebf5347795ec37c66fcb
sha512
a792451a7073f8ec01a52547dea3742d837bc842232bc0fe29a60fd96b07d0cdecdd77881902d9ef2df09fbb83a707037c7a7c28997449e95abeda9536172e97
ripemd-160
67171f89d24500464b81492d8769363aa5021f31
Diameter
57163360
Circumference
179583991.83051
Area
2.5664060938111E+15
Volume
9.7802930297812E+22
Surface area
1.0265624375244E+16
Circumference
179583991.83051
Perimeter
114326720
Area
816912431622400
Diagonal
40420599.491408
Surface area
4901474589734400
Volume
2.3348729708653E+22
Space diagonal
49504921.925675
Perimeter
85745040
Area
3.5373345922616E+14
Altitude
24752460.962838
Surface area
3.5373345922616E+14
Volume
2.7516741848468E+21
Height
13473533.163803