127981421 is an odd 9-digits composite number following 127981420
and preceding 127981422 . In scientific notation, it is written as 1.27981421 × 10^8.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 127241472 positive integers (up to 127981421) that are relatively prime to 127981421.
127981421 has 4 divisors, whose sum is 128721372
The reverse of 127981421 is 124189721
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred twenty-seven million nine hundred eighty-one thousand four hundred twenty-one
Scientific notation
1.27981421 × 10^8
Engineering notation
1.27981421 × 10^6
Prime Factorization
173 × 739777
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
127981421
Product of the distinct prime numbers
The prime factorization of 127981421 is 173 × 739777.
Since it has a total of 2 prime factors.
4 , 1 , 60 , 14 , 423 , 987 , 479 , 8435 , 76358 , 12277 , 589395 , 298587 , 2081583 , 9019902 , 23028557 , 20356638 , 743878756 , 409852726 , 3206391530 , 1727972136
n×2
255962842
n×3
383944263
n×4
511925684
n×5
639907105
n÷2
63990710.5
n÷3
42660473.666667
n÷3
31995355.25
n÷5
25596284.2
n2
16379244121179241
n3
2.0962389375344E+24
n4
2.6827963798118E+32
n5
3.4334809294198E+40
2 √n
11312.887385632
3 √n
503.94403536855
4 √n
106.3620580171
5 √n
41.824367849572
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-127981420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 127981421 can be divided by 4 positive divisors.
The sum of these divisors (counting 127981421) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101000001101011101101101
3
Ternary
22220211010111122
4
Quaternary
13220031131231
5
Quinary
230230401141
6
Senary
20411030325
8
Octal
750153555
10
Decimal
127981421
12
Duodecimal
36a3b3a5
16
Hexadecimal
7a0d76d
20
Vigesimal
1jjhdb1
36
Base36
24733h
md5
217e4f653e30db6f5a7aaa93d552afd1
sha1
0c8688017fc6a63363faab457b80ce7fd3e09d9b
sha256
b95440d62e36fbf7e3100df89d23caf0aca0309ca205d072a41e036dcf9440ea
sha512
423500ff6916a333030c3248a6e8a455984873bb38983e1064d587ddb92d73c44b424367ee2ae5ad3f767b340e1f03bd08e1cdf5b116786ebcfaa6ffd3beb9e7
ripemd-160
0dbc156da572d54c1325fb3f156b8ad88b5abbb4
Diameter
255962842
Circumference
804130984.01916
Area
5.1456913002451E+16
Volume
8.780705128436E+24
Surface area
2.058276520098E+17
Circumference
804130984.01916
Perimeter
511925684
Area
16379244121179241
Diagonal
180993061.30998
Surface area
98275464727075446
Volume
2.0962389375344E+24
Space diagonal
221670323.59686
Perimeter
383944263
Area
7.0924207518641E+15
Altitude
110835161.79843
Surface area
7.0924207518641E+15
Volume
2.4704412795298E+23
Height
60331020.43666