28561940 is an even 8-digits composite number following 28561939
and preceding 28561941 . In scientific notation, it is written as 2.8561940 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 24 positive divisors.
There are 9838080 positive integers (up to 28561940) that are relatively prime to 28561940.
28561940 has 24 divisors, whose sum is 60275880
The reverse of 28561940 is 04916582
Previous prime number is 209
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million five hundred sixty-one thousand nine hundred forty
Scientific notation
2.8561940 × 10^7
Engineering notation
2.8561940 × 10^6
Prime Factorization
2 × 2 × 5 × 209 × 6833
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14280970
Product of the distinct prime numbers
The prime factorization of 28561940 is 2 × 2 × 5 × 209 × 6833.
Since it has a total of 5 prime factors.
5 , 10 , 98 , 21 , 899 , 456 , 125 , 7505 , 83962 , 84502 , 589869 , 451238 , 7566947 , 3417126 , 61350200 , 1589674 , 724888274 , 117107620 , 453860051 , 9687228534
n×2
57123880
n×3
85685820
n×4
114247760
n×5
142809700
n÷2
14280970
n÷3
9520646.6666667
n÷3
7140485
n÷5
5712388
n2
815784416563600
n3
2.3300385558825E+22
n4
6.6550421430801E+29
n5
1.9008091438813E+37
2 √n
5344.337189961
3 √n
305.6768628104
4 √n
73.104973770332
5 √n
30.985430931403
1 , 2 , 4 , 5 , 10 , 20 , 209 , 418 , 836 , 1045 , 2090 , 4180 , 6833 , 13666 , 27332 , 34165 , 68330 , 136660 , 1428097 , 2856194 , 5712388 , 7140485 , 14280970 , 28561940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28561939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28561940 can be divided by 24 positive divisors.
The sum of these divisors (counting 28561940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101100111101001000010100
3
Ternary
1222202002121122
4
Quaternary
1230331020110
5
Quinary
24302440230
6
Senary
2500103112
8
Octal
154751024
10
Decimal
28561940
12
Duodecimal
9694a98
16
Hexadecimal
1b3d214
20
Vigesimal
8ia4h0
36
Base36
h06j8
md5
4007fd4722d43313b615f9f1ff4b9bba
sha1
898aefb5c97aee3a75ee73b979d12f3fba8f3bed
sha256
a011b80fbae726f058d3e057c13f16b5be0a2be311e23760d59fd38744d2ad6e
sha512
693728540dba3f82bd9abd0f945c190cf5408867e179ddedd7db2e8e25293f33186ed0d77fb4146682d859e55ecdbd0a6fa0630b36170e1cee04cbbbcfcb5812
ripemd-160
9389d9de8193c77a7d6d77d2e9d0d44f4e70d7c5
Diameter
57123880
Circumference
179459961.75254
Area
2.5628623299892E+15
Volume
9.7600426796551E+22
Surface area
1.0251449319957E+16
Circumference
179459961.75254
Perimeter
114247760
Area
815784416563600
Diagonal
40392682.915687
Surface area
4894706499381600
Volume
2.3300385558825E+22
Space diagonal
49470731.242734
Perimeter
85685820
Area
3.5324501437777E+14
Altitude
24735365.621367
Surface area
3.5324501437777E+14
Volume
2.745976772151E+21
Height
13464227.638562