126988655 is an odd 9-digits composite number following 126988654
and preceding 126988656 . In scientific notation, it is written as 1.26988655 × 10^8.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 101590920 positive integers (up to 126988655) that are relatively prime to 126988655.
126988655 has 4 divisors, whose sum is 152386392
The reverse of 126988655 is 556889621
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 50
Digital Root 5
Name
one hundred twenty-six million nine hundred eighty-eight thousand six hundred fifty-five
Scientific notation
1.26988655 × 10^8
Engineering notation
1.26988655 × 10^6
Prime Factorization
5 × 25397731
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
126988655
Product of the distinct prime numbers
The prime factorization of 126988655 is 5 × 25397731.
Since it has a total of 2 prime factors.
2 , 1 , 66 , 53 , 905 , 503 , 1384 , 6397 , 63147 , 23967 , 470997 , 488637 , 7803084 , 1884800 , 45052242 , 98278355 , 666632606 , 957760886 , 6910191452 , 5281850311
n×2
253977310
n×3
380965965
n×4
507954620
n×5
634943275
n÷2
63494327.5
n÷3
42329551.666667
n÷3
31747163.75
n÷5
25397731
n2
16126118498709025
n3
2.0478340985217E+24
n4
2.6005169783441E+32
n5
3.3023615338458E+40
2 √n
11268.924305363
3 √n
502.63760164889
4 √n
106.15518972412
5 √n
41.759278325384
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
-126988654
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 126988655 can be divided by 4 positive divisors.
The sum of these divisors (counting 126988655) is 1, the average is 0.25.
Base
System
Value
2
Binary
111100100011011000101101111
3
Ternary
22211221200200112
4
Quaternary
13210123011233
5
Quinary
230002114110
6
Senary
20333450235
8
Octal
744330557
10
Decimal
126988655
12
Duodecimal
3664097b
16
Hexadecimal
791b16f
20
Vigesimal
1jddbcf
36
Base36
23lt2n
md5
f57e556bff5a8e48a65a50a4823ddf8b
sha1
186d985e76ed1c81ca13aa2fe3b8df6f759f4a2c
sha256
933445e60f01504534546ae563a4c6d89885b2e98a2054bd1a662742d59f25ce
sha512
d13437a05df0cb1d5a77dd1b86bcd948c645eddd0e7af6f20055dea4bb82c148cbc0039929fbdcde0fb5941c2f7e025ef96b4afc51444a9380daf8a3583de8ef
ripemd-160
89e8eec0b1156ade60842ff69151646498a2c518
Diameter
253977310
Circumference
797893251.2745
Area
5.0661695406463E+16
Volume
8.5779474129152E+24
Surface area
2.0264678162585E+17
Circumference
797893251.2745
Perimeter
507954620
Area
16126118498709025
Diagonal
179589078.16852
Surface area
96756710992254150
Volume
2.0478340985217E+24
Space diagonal
219950802.44484
Perimeter
380965965
Area
6.9828141421601E+15
Altitude
109975401.22242
Surface area
6.9828141421601E+15
Volume
2.4133956296829E+23
Height
59863026.056173