126985991 is an odd 9-digits composite number following 126985990
and preceding 126985992 . In scientific notation, it is written as 1.26985991 × 10^8.
The sum of its digits is 50. It has a total of 3 prime factors and 6 positive divisors.
There are 115441700 positive integers (up to 126985991) that are relatively prime to 126985991.
126985991 has 6 divisors, whose sum is 139579776
The reverse of 126985991 is 199589621
Previous prime number is 11
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-five thousand nine hundred ninety-one
Scientific notation
1.26985991 × 10^8
Engineering notation
1.26985991 × 10^6
Prime Factorization
11 × 11 × 1049471
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
11544181
Product of the distinct prime numbers
The prime factorization of 126985991 is 11 × 11 × 1049471.
Since it has a total of 3 prime factors.
7 , 2 , 62 , 12 , 664 , 865 , 7971 , 1322 , 88475 , 44652 , 38622 , 719991 , 2145419 , 8523763 , 77324890 , 9035386 , 171750209 , 310733566 , 7917414300 , 9999113219
n×2
253971982
n×3
380957973
n×4
507943964
n×5
634929955
n÷2
63492995.5
n÷3
42328663.666667
n÷3
31746497.75
n÷5
25397198.2
n2
16125441910252081
n3
2.0477052212863E+24
n4
2.6002987680091E+32
n5
3.3020151595172E+40
2 √n
11268.806103576
3 √n
502.6340868049
4 √n
106.15463298216
5 √n
41.759103116582
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126985990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126985991 can be divided by 6 positive divisors.
The sum of these divisors (counting 126985991) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
111100100011010011100000111
3
Ternary
22211221120000212
4
Quaternary
13210122130013
5
Quinary
230002022431
6
Senary
20333430035
8
Octal
744323407
10
Decimal
126985991
12
Duodecimal
3663b31b
16
Hexadecimal
791a707
20
Vigesimal
1jdd4jb
36
Base36
23lr0n
md5
4d3fc59d60863388b6e935be487251eb
sha1
44d709fdf067c96468943991f88b23fe7fd0f34b
sha256
855d5a1e4f62d6c7d8dcf2cf43535062cb9d26d175b6b982d6a637628372ecdd
sha512
e222d1dc4333ab7e9f129fbb2c78012f4a9a9cab7703ceb95664df42f8f68afacc5c731760b85a3aec1a21eac31ab5e253380ad17183e8ee96cacee906748ce7
ripemd-160
c9c8b460ccd67e9f85420fd57128c5a907f44d84
Diameter
253971982
Circumference
797876512.86884
Area
5.0659569841137E+16
Volume
8.577407573214E+24
Surface area
2.0263827936455E+17
Circumference
797876512.86884
Perimeter
507943964
Area
16125441910252081
Diagonal
179585310.70359
Surface area
96752651461512486
Volume
2.0477052212863E+24
Space diagonal
219946188.26148
Perimeter
380957973
Area
6.9825211707643E+15
Altitude
109973094.13074
Surface area
6.9825211707643E+15
Volume
2.4132437464044E+23
Height
59861770.234529