27993721 is an odd 8-digits composite number following 27993720
and preceding 27993722 . In scientific notation, it is written as 2.7993721 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 23804928 positive integers (up to 27993721) that are relatively prime to 27993721.
27993721 has 8 divisors, whose sum is 32245760
The reverse of 27993721 is 12739972
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-seven million nine hundred ninety-three thousand seven hundred twenty-one
Scientific notation
2.7993721 × 10^7
Engineering notation
2.7993721 × 10^6
Prime Factorization
7 × 127 × 31489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
27993721
Product of the distinct prime numbers
The prime factorization of 27993721 is 7 × 127 × 31489.
Since it has a total of 3 prime factors.
1 , 8 , 99 , 63 , 178 , 356 , 3397 , 3435 , 63143 , 5407 , 915701 , 299828 , 3573583 , 5198868 , 48706961 , 33326818 , 693367281 , 640118576 , 9222136490 , 8732006693
n×2
55987442
n×3
83981163
n×4
111974884
n×5
139968605
n÷2
13996860.5
n÷3
9331240.3333333
n÷3
6998430.25
n÷5
5598744.2
n2
783648415425841
n3
2.1937235103523E+22
n4
6.1410483899943E+29
n5
1.71910795277E+37
2 √n
5290.9092791315
3 √n
303.63619698808
4 √n
72.738636769818
5 √n
30.861151459411
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27993720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27993721 can be divided by 8 positive divisors.
The sum of these divisors (counting 27993721) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110010011001111001
3
Ternary
1221200020011111
4
Quaternary
1222302121321
5
Quinary
24131244341
6
Senary
2440000321
8
Octal
152623171
10
Decimal
27993721
12
Duodecimal
94600a1
16
Hexadecimal
1ab2679
20
Vigesimal
8ej461
36
Base36
go03d
md5
860977089519278dab61e07653b2fc18
sha1
40892d8a418d867d46729993c165884faa0dca0f
sha256
f2f1164ef8d72e492a9b49c1c02c0fa3215ceb680d3ed77ef59c14dd45607058
sha512
cc54f37f5cddcf476901822956e874f620402532c54ad451e913f4c9dd6a7c04b373ae80bdf735b77ca57aae3dc17b692b4d0d1ee9adae9bc9a7f9159eaa23d9
ripemd-160
928b69c9a817be9498fe5edbefc38be3490f7cb0
Diameter
55987442
Circumference
175889736.48048
Area
2.4619041048991E+15
Volume
9.1890475521734E+22
Surface area
9.8476164195964E+15
Circumference
175889736.48048
Perimeter
111974884
Area
783648415425841
Diagonal
39589099.899489
Surface area
4701890492555046
Volume
2.1937235103523E+22
Space diagonal
48486547.064908
Perimeter
83981163
Area
3.393297176971E+14
Altitude
24243273.532454
Surface area
3.393297176971E+14
Volume
2.5853279503641E+21
Height
13196366.633163