28001511 is an odd 8-digits composite number following 28001510
and preceding 28001512 . In scientific notation, it is written as 2.8001511 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors.
There are 17563392 positive integers (up to 28001511) that are relatively prime to 28001511.
28001511 has 32 divisors, whose sum is 43998720
The reverse of 28001511 is 11510082
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-eight million one thousand five hundred eleven
Scientific notation
2.8001511 × 10^7
Engineering notation
2.8001511 × 10^6
Prime Factorization
9 × 3 × 673 × 23 × 67
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28001511
Product of the distinct prime numbers
The prime factorization of 28001511 is 9 × 3 × 673 × 23 × 67.
Since it has a total of 5 prime factors.
5 , 5 , 95 , 70 , 325 , 382 , 6254 , 9462 , 83684 , 6257 , 15738 , 118499 , 7283048 , 2517466 , 29509771 , 25847976 , 339096416 , 356763583 , 6655581327 , 1724715236
n×2
56003022
n×3
84004533
n×4
112006044
n×5
140007555
n÷2
14000755.5
n÷3
9333837
n÷3
7000377.75
n÷5
5600302.2
n2
784084618283121
n3
2.1955554063786E+22
n4
6.1478868862819E+29
n5
1.7215012227298E+37
2 √n
5291.6453962827
3 √n
303.66435933448
4 √n
72.743696608591
5 √n
30.862868856068
1 , 3 , 9 , 23 , 27 , 67 , 69 , 201 , 207 , 603 , 621 , 673 , 1541 , 1809 , 2019 , 4623 , 6057 , 13869 , 15479 , 18171 , 41607 , 45091 , 46437 , 135273 , 139311 , 405819 , 417933 , 1037093 , 1217457 , 3111279 , 9333837 , 28001511
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
-28001510
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 28001511 can be divided by 32 positive divisors.
The sum of these divisors (counting 28001511) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101010110100010011100111
3
Ternary
1221200121212000
4
Quaternary
1222310103213
5
Quinary
24132022021
6
Senary
2440100343
8
Octal
152642347
10
Decimal
28001511
12
Duodecimal
94646b3
16
Hexadecimal
1ab44e7
20
Vigesimal
8f03fb
36
Base36
go63r
md5
babebbad945caf379fc1868ebe2e9db5
sha1
fdd75734c6d955607048813f4c5ebfa9642a4770
sha256
689db4cea6e61cae6695a1094c86e5d8387c7515a0f5d0f9495cc225be106f5c
sha512
c05b02bd7ce1016d888c437524fba8025ad76bcb09f5c0e8c6a93e534f587a8d8ed9fd8f5951f46c97b0fa2a59f3a19854ca52c53457aff5eda34a8d3dac187e
ripemd-160
02ccd1f33c987c33f3c189747fb31a5c4dfb6722
Diameter
56003022
Circumference
175938682.49403
Area
2.463274476591E+15
Volume
9.1967209803043E+22
Surface area
9.853097906364E+15
Circumference
175938682.49403
Perimeter
112006044
Area
784084618283121
Diagonal
39600116.623139
Surface area
4704507709698726
Volume
2.1955554063786E+22
Space diagonal
48500039.740699
Perimeter
84004533
Area
3.395185990749E+14
Altitude
24250019.870349
Surface area
3.395185990749E+14
Volume
2.5874868605351E+21
Height
13200038.87438