127798985 is an odd 9-digits composite number following 127798984
and preceding 127798986 . In scientific notation, it is written as 1.27798985 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 102239184 positive integers (up to 127798985) that are relatively prime to 127798985.
127798985 has 4 divisors, whose sum is 153358788
The reverse of 127798985 is 589897721
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
one hundred twenty-seven million seven hundred ninety-eight thousand nine hundred eighty-five
Scientific notation
1.27798985 × 10^8
Engineering notation
1.27798985 × 10^6
Prime Factorization
5 × 25559797
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
127798985
Product of the distinct prime numbers
The prime factorization of 127798985 is 5 × 25559797.
Since it has a total of 2 prime factors.
3 , 6 , 95 , 7 , 310 , 990 , 3113 , 5665 , 35558 , 18704 , 456790 , 654494 , 8113999 , 4063599 , 73058244 , 35399977 , 211127071 , 692472348 , 5178419964 , 4808971661
n×2
255597970
n×3
383396955
n×4
511195940
n×5
638994925
n÷2
63899492.5
n÷3
42599661.666667
n÷3
31949746.25
n÷5
25559797
n2
16332580567030225
n3
2.0872872188972E+24
n4
2.6675318797853E+32
n5
3.4090786669171E+40
2 √n
11304.821316589
3 √n
503.70446607993
4 √n
106.32413327457
5 √n
41.812437016515
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
-127798984
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 127798985 can be divided by 4 positive divisors.
The sum of these divisors (counting 127798985) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100111100000111011001001
3
Ternary
22220110212020202
4
Quaternary
13213200323021
5
Quinary
230204031420
6
Senary
20403101545
8
Octal
747407311
10
Decimal
127798985
12
Duodecimal
369718b5
16
Hexadecimal
79e0ec9
20
Vigesimal
1jieh95
36
Base36
2436bt
md5
a3ad600fb7266b49048e705f88b1ff1c
sha1
ad34b81d6ea2446d77ab1df6f28f1ee1af2e1883
sha256
d41fc5de1b26c06748e8696c220095ff769cbef4cf60506412ac4d0940e2b42d
sha512
96331d24b61f320a2fa1a5e9f638d50fc89bb7b21fd3421d53f78e52173247717834cadad331c8a9f07159e7a64c807def27b5098a68d130ab7e4eddeb6806b0
ripemd-160
8990704dc038528b7bc00b94464eb33a4e2049fe
Diameter
255597970
Circumference
802984704.82446
Area
5.1310315123546E+16
Volume
8.7432082570924E+24
Surface area
2.0524126049418E+17
Circumference
802984704.82446
Perimeter
511195940
Area
16332580567030225
Diagonal
180735057.84452
Surface area
97995483402181350
Volume
2.0872872188972E+24
Space diagonal
221354335.17573
Perimeter
383396955
Area
7.0722148402021E+15
Altitude
110677167.58787
Surface area
7.0722148402021E+15
Volume
2.4598915779437E+23
Height
60245019.281505