127984 is an even 6-digits composite number following 127983
and preceding 127985 . In scientific notation, it is written as 1.27984 × 10^5.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 60480 positive integers (up to 127984) that are relatively prime to 127984.
127984 has 20 divisors, whose sum is 261640
The reverse of 127984 is 489721
Previous prime number is 19
Is Prime? no
Number parity even
Number length 6
Sum of Digits 31
Digital Root 4
Name
one hundred twenty-seven thousand nine hundred eighty-four
Scientific notation
1.27984 × 10^5
Engineering notation
1.27984 × 10^3
Prime Factorization
2 × 2 × 2 × 2 × 19 × 421
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
15998
Product of the distinct prime numbers
The prime factorization of 127984 is 2 × 2 × 2 × 2 × 19 × 421.
Since it has a total of 6 prime factors.
1 , 1 , 79 , 96 , 337 , 518 , 4823 , 30 , 20546 , 86070 , 934166 , 739591 , 3604667 , 7470250 , 14533156 , 71750304 , 589827354 , 964677640 , 8789275630 , 4071610633
n×2
255968
n×3
383952
n×4
511936
n×5
639920
n÷2
63992
n÷3
42661.333333333
n÷3
31996
n÷5
25596.8
n2
16379904256
n3
2096365666299904
n4
2.6830126343573E+20
n5
3.4338268899558E+25
2 √n
357.74851502138
3 √n
50.394742039878
4 √n
18.914241063849
5 √n
10.505848551701
1 , 2 , 4 , 8 , 16 , 19 , 38 , 76 , 152 , 304 , 421 , 842 , 1684 , 3368 , 6736 , 7999 , 15998 , 31996 , 63992 , 127984
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-127983
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 127984 can be divided by 20 positive divisors.
The sum of these divisors (counting 127984) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111001111110000
3
Ternary
20111120011
4
Quaternary
133033300
5
Quinary
13043414
6
Senary
2424304
8
Octal
371760
10
Decimal
127984
12
Duodecimal
62094
16
Hexadecimal
1f3f0
20
Vigesimal
fjj4
36
Base36
2qr4
md5
cbc2ff16600e75703756975f9ba0586c
sha1
8f99e1c26b992f70a77bed40a3b6e577f9a642c4
sha256
73ed7e8c1d41ff632f958c78b0e7ca64b421ad214ab56445d31230ba141c7050
sha512
6f1796bda04d06493d5945ea4af5a48f8ccc9055bf9598bfac8997ed0d27c69af1b7ea7b5693148c7252522c868bbe028e93784d838691c8f742df9bdef9071b
ripemd-160
199a40b1f2c7c23e1bad70c07d30f1d101d4d01c
Diameter
255968
Circumference
804147.18835407
Area
51458986877.154
Volume
8.7812359686475E+15
Surface area
205835947508.62
Circumference
804147.18835407
Perimeter
511936
Area
16379904256
Diagonal
180996.70856676
Surface area
98279425536
Volume
2096365666299904
Space diagonal
221674.7905559
Perimeter
383952
Area
7092706598.6264
Altitude
110837.39527795
Surface area
7092706598.6264
Volume
2.4705906308122E+14
Height
60332.236188919