27993945 is an odd 8-digits composite number following 27993944
and preceding 27993946 . In scientific notation, it is written as 2.7993945 × 10^7.
The sum of its digits is 48. It has a total of 6 prime factors and 32 positive divisors.
There are 12794880 positive integers (up to 27993945) that are relatively prime to 27993945.
27993945 has 32 divisors, whose sum is 52243200
The reverse of 27993945 is 54939972
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-seven million nine hundred ninety-three thousand nine hundred forty-five
Scientific notation
2.7993945 × 10^7
Engineering notation
2.7993945 × 10^6
Prime Factorization
3 × 5 × 7 × 7 × 7 × 5441
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
571305
Product of the distinct prime numbers
The prime factorization of 27993945 is 3 × 5 × 7 × 7 × 7 × 5441.
Since it has a total of 6 prime factors.
5 , 8 , 92 , 11 , 118 , 396 , 5257 , 9789 , 788 , 58492 , 232657 , 230239 , 6085913 , 1281524 , 49516005 , 69417815 , 592849419 , 401480589 , 2582344847 , 4019819328
n×2
55987890
n×3
83981835
n×4
111975780
n×5
139969725
n÷2
13996972.5
n÷3
9331315
n÷3
6998486.25
n÷5
5598789
n2
783660956663025
n3
2.1937761719472E+22
n4
6.1412449499801E+29
n5
1.7191767336127E+37
2 √n
5290.9304474733
3 √n
303.63700686406
4 √n
72.738782279286
5 √n
30.861200848171
1 , 3 , 5 , 7 , 15 , 21 , 35 , 49 , 105 , 147 , 245 , 343 , 735 , 1029 , 1715 , 5145 , 5441 , 16323 , 27205 , 38087 , 81615 , 114261 , 190435 , 266609 , 571305 , 799827 , 1333045 , 1866263 , 3999135 , 5598789 , 9331315 , 27993945
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-27993944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 27993945 can be divided by 32 positive divisors.
The sum of these divisors (counting 27993945) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101010110010011101011001
3
Ternary
1221200020110210
4
Quaternary
1222302131121
5
Quinary
24131301240
6
Senary
2440001333
8
Octal
152623531
10
Decimal
27993945
12
Duodecimal
9460249
16
Hexadecimal
1ab2759
20
Vigesimal
8ej4h5
36
Base36
go09l
md5
0fd8d076161fad78d004633e58167b24
sha1
1b3ead71e4ab44bade69d9d36919c4db71f17eb7
sha256
4eb677a4f0f6a64d1497144a4a958e6b657d4eaa6757be42cb58c7769d4b4ec9
sha512
0fffcbf5d0be103653598ac2e7c7765663b09db1dbdaf6965efa9fab59d505795f0162c426ba0d071d3d2e1b8103169cc8ad407d2bfad5bf5a91fcc7f9141bd6
ripemd-160
e09fc445746a212fad2d4d08e9f09abb5306f2ab
Diameter
55987890
Circumference
175891143.91399
Area
2.4619435043577E+15
Volume
9.1892681405463E+22
Surface area
9.8477740174308E+15
Circumference
175891143.91399
Perimeter
111975780
Area
783660956663025
Diagonal
39589416.683326
Surface area
4701965739978150
Volume
2.1937761719472E+22
Space diagonal
48486935.044289
Perimeter
83981835
Area
3.393351482121E+14
Altitude
24243467.522144
Surface area
3.393351482121E+14
Volume
2.5853900126489E+21
Height
13196472.227775