28002018 is an even 8-digits composite number following 28002017
and preceding 28002019 . In scientific notation, it is written as 2.8002018 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 8485440 positive integers (up to 28002018) that are relatively prime to 28002018.
28002018 has 16 divisors, whose sum is 61095456
The reverse of 28002018 is 81020082
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-eight million two thousand eighteen
Scientific notation
2.8002018 × 10^7
Engineering notation
2.8002018 × 10^6
Prime Factorization
2 × 3 × 11 × 424273
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28002018
Product of the distinct prime numbers
The prime factorization of 28002018 is 2 × 3 × 11 × 424273.
Since it has a total of 4 prime factors.
3 , 4 , 15 , 81 , 109 , 900 , 5844 , 1399 , 93940 , 61733 , 144538 , 515831 , 9314545 , 7214528 , 3841546 , 19880395 , 398181502 , 427626020 , 5557697982 , 3696133216
n×2
56004036
n×3
84006054
n×4
112008072
n×5
140010090
n÷2
14001009
n÷3
9334006
n÷3
7000504.5
n÷5
5600403.6
n2
784113012072324
n3
2.1956746678083E+22
n4
6.1483321570113E+29
n5
1.7216570773061E+37
2 √n
5291.6933017702
3 √n
303.66619205582
4 √n
72.744025883713
5 √n
30.862980616903
1 , 2 , 3 , 6 , 11 , 22 , 33 , 66 , 424273 , 848546 , 1272819 , 2545638 , 4667003 , 9334006 , 14001009 , 28002018
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28002017
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28002018 can be divided by 16 positive divisors.
The sum of these divisors (counting 28002018) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110100011011100010
3
Ternary
1221200122112210
4
Quaternary
1222310123202
5
Quinary
24132031033
6
Senary
2440102550
8
Octal
152643342
10
Decimal
28002018
12
Duodecimal
9464a56
16
Hexadecimal
1ab46e2
20
Vigesimal
8f050i
36
Base36
go6hu
md5
2c3811417c4d9ac88dd42e4a6c3b2c57
sha1
23411c13b66b15903cddae256ede4a05c1a394bf
sha256
da9f9cfa7667910a41ec435cc96e6c47b1a3a560ac4b9177ccc09f57cdca4e2c
sha512
ebb13ebe8317514a3bdd94b096ba5479479354a9045121f8ca4b85dbf66a2b4cb1a86e7e3d582be259d873ccbfd77d8247df315a61cfe38f705520db1d046ec8
ripemd-160
71f8b184e5e801bf8ceb31a11d3005526f7bfabe
Diameter
56004036
Circumference
175941868.06898
Area
2.4633636783106E+15
Volume
9.1972205414132E+22
Surface area
9.8534547132423E+15
Circumference
175941868.06898
Perimeter
112008072
Area
784113012072324
Diagonal
39600833.629416
Surface area
4704678072433944
Volume
2.1956746678083E+22
Space diagonal
48500917.890458
Perimeter
84006054
Area
3.3953089394628E+14
Altitude
24250458.945229
Surface area
3.3953089394628E+14
Volume
2.587627411478E+21
Height
13200277.876472