28201901 is an odd 8-digits composite number following 28201900
and preceding 28201902 . In scientific notation, it is written as 2.8201901 × 10^7.
The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors.
There are 22313088 positive integers (up to 28201901) that are relatively prime to 28201901.
28201901 has 12 divisors, whose sum is 35330652
The reverse of 28201901 is 10910282
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-eight million two hundred one thousand nine hundred one
Scientific notation
2.8201901 × 10^7
Engineering notation
2.8201901 × 10^6
Prime Factorization
7 × 7 × 13 × 44273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4028843
Product of the distinct prime numbers
The prime factorization of 28201901 is 7 × 7 × 13 × 44273.
Since it has a total of 4 prime factors.
4 , 3 , 16 , 11 , 780 , 281 , 326 , 4402 , 27607 , 34844 , 330009 , 98103 , 8079867 , 7720244 , 33692031 , 32872053 , 57204207 , 776126819 , 1576835736 , 7729560219
n×2
56403802
n×3
84605703
n×4
112807604
n×5
141009505
n÷2
14100950.5
n÷3
9400633.6666667
n÷3
7050475.25
n÷5
5640380.2
n2
795347220013801
n3
2.2430303559454E+22
n4
6.3257720038368E+29
n5
1.7839879580078E+37
2 √n
5310.5462054293
3 √n
304.38701934386
4 √n
72.87349453285
5 √n
30.906916351304
1 , 7 , 13 , 49 , 91 , 637 , 44273 , 309911 , 575549 , 2169377 , 4028843 , 28201901
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28201900
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28201901 can be divided by 12 positive divisors.
The sum of these divisors (counting 28201901) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011100101001110101101
3
Ternary
1222001210201212
4
Quaternary
1223211032231
5
Quinary
24204430101
6
Senary
2444244205
8
Octal
153451655
10
Decimal
28201901
12
Duodecimal
9540665
16
Hexadecimal
1ae53ad
20
Vigesimal
8g54f1
36
Base36
gsgq5
md5
e2e240d71ed5ae2d203c6dc13c8c98e9
sha1
bb9e00f0f2b7db367be0012f2d274b6be6cf208f
sha256
377fe52983952f592a4c0bea5397f459e05dc0dfc2f5267c6454be4e396dfce2
sha512
970ddffa431742b714659c9a03ab6a191ee800ab1a8495042c06af1597447b9676b7a84b9537843bf56054fed03e3dff4c065b8ce0c6e8c8933885219db79956
ripemd-160
39f6978834c98793d9b945280690f0d5852df400
Diameter
56403802
Circumference
177197769.99773
Area
2.4986569834484E+15
Volume
9.3955835840228E+22
Surface area
9.9946279337937E+15
Circumference
177197769.99773
Perimeter
112807604
Area
795347220013801
Diagonal
39883510.878903
Surface area
4772083320082806
Volume
2.2430303559454E+22
Space diagonal
48847125.402028
Perimeter
84605703
Area
3.4439544868064E+14
Altitude
24423562.701014
Surface area
3.4439544868064E+14
Volume
2.6434366251605E+21
Height
13294503.626301