27993889 is an odd 8-digits composite number following 27993888
and preceding 27993890 . In scientific notation, it is written as 2.7993889 × 10^7.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 21813360 positive integers (up to 27993889) that are relatively prime to 27993889.
27993889 has 4 divisors, whose sum is 28357524
The reverse of 27993889 is 98839972
Previous prime number is 77
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1
Name
twenty-seven million nine hundred ninety-three thousand eight hundred eighty-nine
Scientific notation
2.7993889 × 10^7
Engineering notation
2.7993889 × 10^6
Prime Factorization
77 × 363557
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
27993889
Product of the distinct prime numbers
The prime factorization of 27993889 is 77 × 363557.
Since it has a total of 2 prime factors.
1 , 2 , 53 , 13 , 126 , 661 , 5411 , 5986 , 41631 , 63485 , 211034 , 513004 , 8217408 , 7947353 , 53746341 , 76814068 , 85819812 , 117355883 , 7805802372 , 5665841295
n×2
55987778
n×3
83981667
n×4
111975556
n×5
139969445
n÷2
13996944.5
n÷3
9331296.3333333
n÷3
6998472.25
n÷5
5598777.8
n2
783657821344321
n3
2.1937630064695E+22
n4
6.1411958095413E+29
n5
1.7191595381956E+37
2 √n
5290.9251553958
3 √n
303.63680439547
4 √n
72.738745902
5 √n
30.861188501011
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27993888
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27993889 can be divided by 4 positive divisors.
The sum of these divisors (counting 27993889) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101010110010011100100001
3
Ternary
1221200020101201
4
Quaternary
1222302130201
5
Quinary
24131301024
6
Senary
2440001201
8
Octal
152623441
10
Decimal
27993889
12
Duodecimal
9460201
16
Hexadecimal
1ab2721
20
Vigesimal
8ej4e9
36
Base36
go081
md5
1cb5dfb082438595e1e8c9531cf08318
sha1
ad491f2ad33edf2f8aabc0eb48422faa0531737f
sha256
642d440989ba1c4a73528d4214e43f7fd442db34d6fbca69e93373546b19f1a0
sha512
7134120cb7a8ff4aa3cc3a9e35cc322cb974f7b0905108049b8de6c269c6433377299cff4de3efc91c42b71af1a93334ae76bfee27dd35b311924497aa17e932
ripemd-160
7c55446ae013df938506157f3bc2c951207d83ad
Diameter
55987778
Circumference
175890792.05562
Area
2.4619336544635E+15
Volume
9.1892129931221E+22
Surface area
9.847734617854E+15
Circumference
175890792.05562
Perimeter
111975556
Area
783657821344321
Diagonal
39589337.487367
Surface area
4701946928065926
Volume
2.1937630064695E+22
Space diagonal
48486838.049444
Perimeter
83981667
Area
3.3933379057927E+14
Altitude
24243419.024722
Surface area
3.3933379057927E+14
Volume
2.5853744969846E+21
Height
13196445.829122