27993890 is an even 8-digits composite number following 27993889
and preceding 27993891 . In scientific notation, it is written as 2.7993890 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 11122800 positive integers (up to 27993890) that are relatively prime to 27993890.
27993890 has 16 divisors, whose sum is 50725440
The reverse of 27993890 is 09839972
Previous prime number is 151
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-seven million nine hundred ninety-three thousand eight hundred ninety
Scientific notation
2.7993890 × 10^7
Engineering notation
2.7993890 × 10^6
Prime Factorization
2 × 5 × 151 × 18539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27993890
Product of the distinct prime numbers
The prime factorization of 27993890 is 2 × 5 × 151 × 18539.
Since it has a total of 4 prime factors.
7 , 8 , 100 , 54 , 162 , 151 , 9 , 2134 , 78931 , 9405 , 841476 , 738766 , 3537525 , 9310766 , 13112242 , 95505653 , 514241968 , 308716710 , 2413147498 , 9080346368
n×2
55987780
n×3
83981670
n×4
111975560
n×5
139969450
n÷2
13996945
n÷3
9331296.6666667
n÷3
6998472.5
n÷5
5598778
n2
783657877332100
n3
2.1937632415668E+22
n4
6.1411966870465E+29
n5
1.7191598452554E+37
2 √n
5290.9252498972
3 √n
303.63680801098
4 √n
72.738746551595
5 √n
30.861188721496
1 , 2 , 5 , 10 , 151 , 302 , 755 , 1510 , 18539 , 37078 , 92695 , 185390 , 2799389 , 5598778 , 13996945 , 27993890
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
-27993889
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 27993890 can be divided by 16 positive divisors.
The sum of these divisors (counting 27993890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010110010011100100010
3
Ternary
1221200020101202
4
Quaternary
1222302130202
5
Quinary
24131301030
6
Senary
2440001202
8
Octal
152623442
10
Decimal
27993890
12
Duodecimal
9460202
16
Hexadecimal
1ab2722
20
Vigesimal
8ej4ea
36
Base36
go082
md5
c5a11ca44810cc7db6160c903dff49eb
sha1
66769160852bd56740448fec3cb3888b888f8fcd
sha256
ec5080c42e0f927c731a8428b3670b0e357301a3cd52f1ec659dbada570ce943
sha512
3f46a7646a682d52f6e97982b38b2926f0aebd87d9b1469dfd844cd9fe87c28f55e95ed4c9c64cf7e70d2eae75452f306a2c9b5d7eae3632b073fabb1ee46b29
ripemd-160
c895b5d9380bf2d420326203ce34163fec82dc21
Diameter
55987780
Circumference
175890798.3388
Area
2.4619338303543E+15
Volume
9.1892139778956E+22
Surface area
9.8477353214172E+15
Circumference
175890798.3388
Perimeter
111975560
Area
783657877332100
Diagonal
39589338.901581
Surface area
4701947263992600
Volume
2.1937632415668E+22
Space diagonal
48486839.781494
Perimeter
83981670
Area
3.3933381482269E+14
Altitude
24243419.890747
Surface area
3.3933381482269E+14
Volume
2.5853747740495E+21
Height
13196446.300527