127890 is an even 6-digits composite number following 127889
and preceding 127891 . In scientific notation, it is written as 1.27890 × 10^5.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 28224 positive integers (up to 127890) that are relatively prime to 127890.
127890 has 32 divisors, whose sum is 313344
The reverse of 127890 is 098721
Previous prime number is 203
Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-seven thousand eight hundred ninety
Scientific notation
1.27890 × 10^5
Engineering notation
1.27890 × 10^3
Prime Factorization
2 × 15 × 3 × 203 × 7
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
127890
Product of the distinct prime numbers
The prime factorization of 127890 is 2 × 15 × 3 × 203 × 7.
Since it has a total of 5 prime factors.
5 , 7 , 57 , 79 , 496 , 966 , 9012 , 8089 , 34526 , 88716 , 947500 , 633432 , 5493218 , 5491837 , 22227701 , 40025984 , 812895996 , 468541527 , 2962326425 , 1774311424
n×2
255780
n×3
383670
n×4
511560
n×5
639450
n÷2
63945
n÷3
42630
n÷3
31972.5
n÷5
25578
n2
16355852100
n3
2091749925069000
n4
2.6751389791707E+20
n5
3.4212352404615E+25
2 √n
357.61711368445
3 √n
50.382401262973
4 √n
18.910767136329
5 √n
10.504304858707
1 , 2 , 3 , 6 , 7 , 14 , 15 , 21 , 30 , 42 , 45 , 90 , 105 , 203 , 210 , 315 , 406 , 609 , 630 , 1218 , 1421 , 2842 , 3045 , 4263 , 6090 , 8526 , 9135 , 18270 , 21315 , 42630 , 63945 , 127890
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
-127889
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 127890 can be divided by 32 positive divisors.
The sum of these divisors (counting 127890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
11111001110010010
3
Ternary
20111102200
4
Quaternary
133032102
5
Quinary
13043030
6
Senary
2424030
8
Octal
371622
10
Decimal
127890
12
Duodecimal
62016
16
Hexadecimal
1f392
20
Vigesimal
fjea
36
Base36
2qoi
md5
ba9a1bf15e402b506e34e2e72822b9ad
sha1
6b184abe5ee7f54d84ca79b73cfe78ed9cc2832d
sha256
6dbaed88546d1e40d4f9ebf26ca4942cc0b15b7d9be9e86e962b31c0173e05d8
sha512
6e310b62325059d7406818f599356d47544f94597e3f38716edb42e04616aef7f631dc03fe3303ced06f32f1d04a628f09a8b40e55c90f6c6f9ec63e5bb224b1
ripemd-160
f0ea2f91b085784257daab741bcc30891ff0ef81
Diameter
255780
Circumference
803556.5689352
Area
51383424800.561
Volume
8.7619015969917E+15
Surface area
205533699202.24
Circumference
803556.5689352
Perimeter
511560
Area
16355852100
Diagonal
180863.7724919
Surface area
98135112600
Volume
2091749925069000
Space diagonal
221511.97777998
Perimeter
383670
Area
7082291709.5705
Altitude
110755.98888999
Surface area
7082291709.5705
Volume
2.4651509276046E+14
Height
60287.924163965