27888921 is an odd 8-digits composite number following 27888920
and preceding 27888922 . In scientific notation, it is written as 2.7888921 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 18555264 positive integers (up to 27888921) that are relatively prime to 27888921.
27888921 has 16 divisors, whose sum is 41400000
The reverse of 27888921 is 12988872
Previous prime number is 827
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-seven million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
2.7888921 × 10^7
Engineering notation
2.7888921 × 10^6
Prime Factorization
3 × 9 × 827 × 1249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27888921
Product of the distinct prime numbers
The prime factorization of 27888921 is 3 × 9 × 827 × 1249.
Since it has a total of 4 prime factors.
3 , 5 , 26 , 63 , 772 , 63 , 5508 , 7901 , 97923 , 53673 , 539150 , 803827 , 4015074 , 3796240 , 69349797 , 147085 , 830200965 , 322676515 , 6374249061 , 4282543170
n×2
55777842
n×3
83666763
n×4
111555684
n×5
139444605
n÷2
13944460.5
n÷3
9296307
n÷3
6972230.25
n÷5
5577784.2
n2
777791914544241
n3
2.1691777259163E+22
n4
6.049602623304E+29
n5
1.6871688964272E+37
2 √n
5280.9962128371
3 √n
303.25681589136
4 √n
72.670463139002
5 √n
30.838009821336
1 , 3 , 9 , 27 , 827 , 1249 , 2481 , 3747 , 7443 , 11241 , 22329 , 33723 , 1032923 , 3098769 , 9296307 , 27888921
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
-27888920
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 27888921 can be divided by 16 positive divisors.
The sum of these divisors (counting 27888921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010011000110100011001
3
Ternary
1221110220102000
4
Quaternary
1222120310121
5
Quinary
24114421141
6
Senary
2433431213
8
Octal
152306431
10
Decimal
27888921
12
Duodecimal
940b509
16
Hexadecimal
1a98d19
20
Vigesimal
8e6261
36
Base36
glr89
md5
d94052fa49da06defc0be356287e6360
sha1
8a09540d324f209f5097bef5e39a80e707c49279
sha256
bb3294ab77222716bfb24e7810aca1952e3a0479d2c3e85abaa97b396d735480
sha512
a8314c4d4395bba6e2f6384c5b702260fed12de240315f393c361b4d90133a9a690c654701d0ef6876a794b6c52b50a0317e0207356a5ac2d0644378b244a8de
ripemd-160
68a1a4e34f0644c99834adf006eaea990f23972b
Diameter
55777842
Circumference
175231258.66029
Area
2.4435053647537E+15
Volume
9.0862304107591E+22
Surface area
9.7740214590149E+15
Circumference
175231258.66029
Perimeter
111555684
Area
777791914544241
Diagonal
39440890.318152
Surface area
4666751487265446
Volume
2.1691777259163E+22
Space diagonal
48305028.140275
Perimeter
83666763
Area
3.3679377842672E+14
Altitude
24152514.070137
Surface area
3.3679377842672E+14
Volume
2.5564004659904E+21
Height
13146963.439384