285428220 is an even 9-digits composite number following 285428219
and preceding 285428221 . In scientific notation, it is written as 2.85428220 × 10^8.
The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors.
There are 59308800 positive integers (up to 285428220) that are relatively prime to 285428220.
285428220 has 24 divisors, whose sum is 574325472
The reverse of 285428220 is 022824582
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred eighty-five million four hundred twenty-eight thousand two hundred twenty
Scientific notation
2.85428220 × 10^8
Engineering notation
2.85428220 × 10^6
Prime Factorization
2 × 2 × 165 × 7 × 61781
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
142714110
Product of the distinct prime numbers
The prime factorization of 285428220 is 2 × 2 × 165 × 7 × 61781.
Since it has a total of 5 prime factors.
10 , 7 , 33 , 77 , 41 , 176 , 1949 , 8663 , 96208 , 99505 , 287042 , 124133 , 4787671 , 7063581 , 52135679 , 44155893 , 159348727 , 905075806 , 5103809203 , 1957292696
n×2
570856440
n×3
856284660
n×4
1141712880
n×5
1427141100
n÷2
142714110
n÷3
95142740
n÷3
71357055
n÷5
57085644
n2
81469268772368400
n3
2.3253628370399E+25
n4
6.6372417543044E+33
n5
1.8944560996408E+42
2 √n
16894.621037478
3 √n
658.41386798067
4 √n
129.97931003617
5 √n
49.10202259717
1 , 2 , 4 , 7 , 14 , 28 , 165 , 330 , 660 , 1155 , 2310 , 4620 , 61781 , 123562 , 247124 , 432467 , 864934 , 1729868 , 10193865 , 20387730 , 40775460 , 71357055 , 142714110 , 285428220
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
-285428219
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 285428220 can be divided by 24 positive divisors.
The sum of these divisors (counting 285428220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
10001000000110100100111111100
3
Ternary
201220002020220120
4
Quaternary
101000310213330
5
Quinary
1041032200340
6
Senary
44153414540
8
Octal
2100644774
10
Decimal
285428220
12
Duodecimal
7b70a450
16
Hexadecimal
110349fc
20
Vigesimal
493iab0
36
Base36
4pxpto
md5
36c5b7349e666ebee8d686ddd2203237
sha1
9133b749858fdc87247cdb78b2eba4ba85f9d2a8
sha256
326d26ecd26c84bf1bfa811b10286a6ec5515df3d9e53997556abcec570b5af7
sha512
56d7a3175b29af20029d4b028f58ab67ca2fdc5f8fed3d53f5e40ca943aa3f867f50e18214e4912b0588406c72b1aa82f7ca8411900e2eb48051dda0cb683453
ripemd-160
806bf3909ab9360ba615e2290d27ea9aa24a0fbc
Diameter
570856440
Circumference
1793398398.1584
Area
2.559432562686E+17
Volume
9.7404570743669E+25
Surface area
1.0237730250744E+18
Circumference
1793398398.1584
Perimeter
1141712880
Area
81469268772368400
Diagonal
403656459.80801
Surface area
488815612634210400
Volume
2.3253628370399E+25
Space diagonal
494376178.95395
Perimeter
856284660
Area
3.5277228192307E+16
Altitude
247188089.47697
Surface area
3.5277228192307E+16
Volume
2.7404663846501E+24
Height
134552153.26934