126985809 is an odd 9-digits composite number following 126985808
and preceding 126985810 . In scientific notation, it is written as 1.26985809 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 81520320 positive integers (up to 126985809) that are relatively prime to 126985809.
126985809 has 16 divisors, whose sum is 175619520
The reverse of 126985809 is 908589621
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred twenty-six million nine hundred eighty-five thousand eight hundred nine
Scientific notation
1.26985809 × 10^8
Engineering notation
1.26985809 × 10^6
Prime Factorization
3 × 29 × 421 × 3467
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
126985809
Product of the distinct prime numbers
The prime factorization of 126985809 is 3 × 29 × 421 × 3467.
Since it has a total of 4 prime factors.
4 , 1 , 68 , 12 , 942 , 880 , 7452 , 1575 , 88210 , 27505 , 595832 , 311911 , 8805982 , 3622628 , 10115389 , 7549179 , 498930923 , 373853564 , 5301893150 , 2030856455
n×2
253971618
n×3
380957427
n×4
507943236
n×5
634929045
n÷2
63492904.5
n÷3
42328603
n÷3
31746452.25
n÷5
25397161.8
n2
16125395687384481
n3
2.0476964168076E+24
n4
2.6002838607472E+32
n5
3.3019914968662E+40
2 √n
11268.798028184
3 √n
502.63384667487
4 √n
106.15459494616
5 √n
41.759091146504
1 , 3 , 29 , 87 , 421 , 1263 , 3467 , 10401 , 12209 , 36627 , 100543 , 301629 , 1459607 , 4378821 , 42328603 , 126985809
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126985808
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126985809 can be divided by 16 positive divisors.
The sum of these divisors (counting 126985809) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111100100011010011001010001
3
Ternary
22211221112210010
4
Quaternary
13210122121101
5
Quinary
230002021214
6
Senary
20333425133
8
Octal
744323121
10
Decimal
126985809
12
Duodecimal
3663b1a9
16
Hexadecimal
791a651
20
Vigesimal
1jdd4a9
36
Base36
23lqvl
md5
b14362676f75ff5668f55382dc63782b
sha1
fd5fdd2f34ed7070adf00fd6b1f7887fc2a9c324
sha256
174c0f28364b80b4402c4127f883c22cb0dbd57e32b99abaaefb625f4f040395
sha512
335cf011f2239b443e7e5829aecf88a3b9ef98698165ae8a93e984d76c324b3794c06aae285375a14efb855a5fc4f5baa2652210eb42d388aa41769be5a812e7
ripemd-160
c64b13992cb43a86c9b0f1447defdf8ef865faa1
Diameter
253971618
Circumference
797875369.32911
Area
5.0659424627716E+16
Volume
8.5773706931E+24
Surface area
2.0263769851086E+17
Circumference
797875369.32911
Perimeter
507943236
Area
16125395687384481
Diagonal
179585053.31672
Surface area
96752374124306886
Volume
2.0476964168076E+24
Space diagonal
219945873.02824
Perimeter
380957427
Area
6.9825011556755E+15
Altitude
109972936.51412
Surface area
6.9825011556755E+15
Volume
2.4132333702268E+23
Height
59861684.438906