127980 is an even 6-digits composite number following 127979
and preceding 127981 . In scientific notation, it is written as 1.27980 × 10^5.
The sum of its digits is 27. It has a total of 6 prime factors and 36 positive divisors.
There are 33696 positive integers (up to 127980) that are relatively prime to 127980.
127980 has 36 divisors, whose sum is 305760
The reverse of 127980 is 089721
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred twenty-seven thousand nine hundred eighty
Scientific notation
1.27980 × 10^5
Engineering notation
1.27980 × 10^3
Prime Factorization
2 × 2 × 9 × 9 × 5 × 79
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
7110
Product of the distinct prime numbers
The prime factorization of 127980 is 2 × 2 × 9 × 9 × 5 × 79.
Since it has a total of 6 prime factors.
4 , 10 , 98 , 69 , 434 , 770 , 8963 , 1051 , 55962 , 43446 , 991273 , 879267 , 5392310 , 8718835 , 62389169 , 17949702 , 927010761 , 486264572 , 4429168333 , 8261966658
n×2
255960
n×3
383940
n×4
511920
n×5
639900
n÷2
63990
n÷3
42660
n÷3
31995
n÷5
25596
n2
16378880400
n3
2096169113592000
n4
2.682677231575E+20
n5
3.4332903209697E+25
2 √n
357.74292445833
3 √n
50.394217023552
4 √n
18.914093276135
5 √n
10.505782881118
1 , 2 , 4 , 5 , 9 , 10 , 18 , 20 , 36 , 45 , 79 , 81 , 90 , 158 , 162 , 180 , 316 , 324 , 395 , 405 , 711 , 790 , 810 , 1422 , 1580 , 1620 , 2844 , 3555 , 6399 , 7110 , 12798 , 14220 , 25596 , 31995 , 63990 , 127980
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-127979
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 127980 can be divided by 36 positive divisors.
The sum of these divisors (counting 127980) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
11111001111101100
3
Ternary
20111120000
4
Quaternary
133033230
5
Quinary
13043410
6
Senary
2424300
8
Octal
371754
10
Decimal
127980
12
Duodecimal
62090
16
Hexadecimal
1f3ec
20
Vigesimal
fjj0
36
Base36
2qr0
md5
a61b7c7ce03492e40b55808eb9c20f94
sha1
34954ee91df9d6771bb69ed6e92234762be2f18a
sha256
1e2d5160301ae8268f40a58951bb154d5e26fc70b9a9a584e9adafec2495b165
sha512
1dda797b2583203f01dd53b184f0b57699bc1a26f8fd5516d594bf524718603e96b8663ae98dc8f48482ee54cc1a00cdc5c396a65059058ce59495f7fa908c3d
ripemd-160
449b5a701cac38fa299176171e862bd1e5e9e389
Diameter
255960
Circumference
804122.05561284
Area
51455770338.666
Volume
8.7804126505899E+15
Surface area
205823081354.66
Circumference
804122.05561284
Perimeter
511920
Area
16378880400
Diagonal
180991.05171251
Surface area
98273282400
Volume
2096169113592000
Space diagonal
221667.86235266
Perimeter
383940
Area
7092263255.9735
Altitude
110833.93117633
Surface area
7092263255.9735
Volume
2.4703589912245E+14
Height
60330.350570836