27888945 is an odd 8-digits composite number following 27888944
and preceding 27888946 . In scientific notation, it is written as 2.7888945 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 12657600 positive integers (up to 27888945) that are relatively prime to 27888945.
27888945 has 16 divisors, whose sum is 34242560
The reverse of 27888945 is 54988872
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-seven million eight hundred eighty-eight thousand nine hundred forty-five
Scientific notation
2.7888945 × 10^7
Engineering notation
2.7888945 × 10^6
Prime Factorization
15 × 7 × 151 × 1759
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
27888945
Product of the distinct prime numbers
The prime factorization of 27888945 is 15 × 7 × 151 × 1759.
Since it has a total of 4 prime factors.
10 , 9 , 78 , 67 , 740 , 131 , 2182 , 9732 , 29998 , 53898 , 854833 , 462436 , 8166073 , 8814320 , 45626261 , 62853574 , 76629856 , 406556225 , 8965506155 , 4878447053
n×2
55777890
n×3
83666835
n×4
111555780
n×5
139444725
n÷2
13944472.5
n÷3
9296315
n÷3
6972236.25
n÷5
5577789
n2
777793253213025
n3
2.1691833260229E+22
n4
6.049623447437E+29
n5
1.6871761559628E+37
2 √n
5280.9984851352
3 √n
303.25690288124
4 √n
72.670478773262
5 √n
30.838015128906
1 , 7 , 15 , 105 , 151 , 1057 , 1759 , 2265 , 12313 , 15855 , 26385 , 184695 , 265609 , 1859263 , 3984135 , 27888945
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
-27888944
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 27888945 can be divided by 16 positive divisors.
The sum of these divisors (counting 27888945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101010011000110100110001
3
Ternary
1221110220102220
4
Quaternary
1222120310301
5
Quinary
24114421240
6
Senary
2433431253
8
Octal
152306461
10
Decimal
27888945
12
Duodecimal
940b529
16
Hexadecimal
1a98d31
20
Vigesimal
8e6275
36
Base36
glr8x
md5
6764589dbb3d0c684c6738a43ae09527
sha1
72375d0b663ad5472250b1f04f82ad2273cc0269
sha256
cb319698699060d86ccdd544b43a02047725d92832657dfe6441ae60a6b03fc3
sha512
7b21561e59ae61a0ab33d7c091b15eb1b0ddbb863910c4df629277eb605cdfc9e7ee18dc5fd2e910a564e61369540d45be61c760bfa45d5f7457f0a7424e13c5
ripemd-160
dbd2589ed9274ae241a98a968f40102ddd3a0cce
Diameter
55777890
Circumference
175231409.45674
Area
2.4435095703057E+15
Volume
9.0862538684307E+22
Surface area
9.774038281223E+15
Circumference
175231409.45674
Perimeter
111555780
Area
777793253213025
Diagonal
39440924.259277
Surface area
4666759519278150
Volume
2.1691833260229E+22
Space diagonal
48305069.709494
Perimeter
83666835
Area
3.3679435808731E+14
Altitude
24152534.854747
Surface area
3.3679435808731E+14
Volume
2.5564070657793E+21
Height
13146974.753092