28561640 is an even 8-digits composite number following 28561639
and preceding 28561641 . In scientific notation, it is written as 2.8561640 × 10^7.
The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors.
There are 11380992 positive integers (up to 28561640) that are relatively prime to 28561640.
28561640 has 32 divisors, whose sum is 64509480
The reverse of 28561640 is 04616582
Previous prime number is 293
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million five hundred sixty-one thousand six hundred forty
Scientific notation
2.8561640 × 10^7
Engineering notation
2.8561640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 293 × 2437
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7140410
Product of the distinct prime numbers
The prime factorization of 28561640 is 2 × 2 × 2 × 5 × 293 × 2437.
Since it has a total of 6 prime factors.
1 , 8 , 75 , 99 , 583 , 407 , 2204 , 545 , 24215 , 87613 , 841574 , 673529 , 4570854 , 7548382 , 68498262 , 6856665 , 399523418 , 257989961 , 2458141923 , 8493982408
n×2
57123280
n×3
85684920
n×4
114246560
n×5
142808200
n÷2
14280820
n÷3
9520546.6666667
n÷3
7140410
n÷5
5712328
n2
815767279489600
n3
2.3299651360561E+22
n4
6.6547625428586E+29
n5
1.9007093203461E+37
2 √n
5344.3091227959
3 √n
305.67579258221
4 √n
73.104781805269
5 √n
30.985365840108
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 293 , 586 , 1172 , 1465 , 2344 , 2437 , 2930 , 4874 , 5860 , 9748 , 11720 , 12185 , 19496 , 24370 , 48740 , 97480 , 714041 , 1428082 , 2856164 , 3570205 , 5712328 , 7140410 , 14280820 , 28561640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28561639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28561640 can be divided by 32 positive divisors.
The sum of these divisors (counting 28561640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101100111101000011101000
3
Ternary
1222202002012112
4
Quaternary
1230331003220
5
Quinary
24302433030
6
Senary
2500101452
8
Octal
154750350
10
Decimal
28561640
12
Duodecimal
9694888
16
Hexadecimal
1b3d0e8
20
Vigesimal
8ia420
36
Base36
h06aw
md5
8216f01f56e690dda6de991ee64042c2
sha1
f91de20f058879de0f62e91d6957b99bd3597847
sha256
9d81d81c068a8afc8bbbd0a6b729184fb47cfd37767311d1716f2a5266e93b4a
sha512
57b03b30ff8dbc096fc01ae19ae1c2befee07d8a964cbded0aa8d855b43588f0a122e0130ae19672703820d90bab789bb831b0bafb71ba02120fbdeffbc0b419
ripemd-160
166aea610d19ecfad895a328dafe7433afc0686b
Diameter
57123280
Circumference
179458076.79695
Area
2.5628084922835E+15
Volume
9.7597351394057E+22
Surface area
1.0251233969134E+16
Circumference
179458076.79695
Perimeter
114246560
Area
815767279489600
Diagonal
40392258.651618
Surface area
4894603676937600
Volume
2.3299651360561E+22
Space diagonal
49470211.627492
Perimeter
85684920
Area
3.5323759380706E+14
Altitude
24735105.813746
Surface area
3.5323759380706E+14
Volume
2.7458902460559E+21
Height
13464086.217206