126987644 is an even 9-digits composite number following 126987643
and preceding 126987645 . In scientific notation, it is written as 1.26987644 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 54423264 positive integers (up to 126987644) that are relatively prime to 126987644.
126987644 has 12 divisors, whose sum is 253975344
The reverse of 126987644 is 446789621
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
one hundred twenty-six million nine hundred eighty-seven thousand six hundred forty-four
Scientific notation
1.26987644 × 10^8
Engineering notation
1.26987644 × 10^6
Prime Factorization
2 × 2 × 7 × 4535273
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
63493822
Product of the distinct prime numbers
The prime factorization of 126987644 is 2 × 2 × 7 × 4535273.
Since it has a total of 4 prime factors.
9 , 5 , 37 , 2 , 779 , 128 , 971 , 8116 , 90740 , 25627 , 633582 , 654158 , 2147807 , 8471894 , 62022369 , 29831508 , 664218530 , 528574047 , 5479438397 , 7349399666
n×2
253975288
n×3
380962932
n×4
507950576
n×5
634938220
n÷2
63493822
n÷3
42329214.666667
n÷3
31746911
n÷5
25397528.8
n2
16125861728670736
n3
2.0477851883937E+24
n4
2.6004341649221E+32
n5
3.3022300798056E+40
2 √n
11268.879447398
3 √n
502.63626775555
4 √n
106.15497843907
5 √n
41.759211833201
1 , 2 , 4 , 7 , 14 , 28 , 4535273 , 9070546 , 18141092 , 31746911 , 63493822 , 126987644
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126987643
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126987644 can be divided by 12 positive divisors.
The sum of these divisors (counting 126987644) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100100011010110101111100
3
Ternary
22211221122022002
4
Quaternary
13210122311330
5
Quinary
230002101034
6
Senary
20333441432
8
Octal
744326574
10
Decimal
126987644
12
Duodecimal
36640278
16
Hexadecimal
791ad7c
20
Vigesimal
1jdd924
36
Base36
23lsak
md5
cbc48fe6875f2ccaee129774fe4418b2
sha1
e27ac48de60da15385fae21bf18e18eaae07d83f
sha256
ddfa8184f2b4763c1a7f532f226fcaa442494c746864969d91f41e1b79e977eb
sha512
97b98196fc1e417043e9bfda71e12420ae37ffc0879e72fcb9ec94743793a0659a85b27e484aab444e867a6b648ed684622619407ed910c1782eed33727ef837
ripemd-160
100aa68f451c4b7fbe4ab04569b94a9dba787c39
Diameter
253975288
Circumference
797886898.97415
Area
5.0660888739597E+16
Volume
8.57774253865E+24
Surface area
2.0264355495839E+17
Circumference
797886898.97415
Perimeter
507950576
Area
16125861728670736
Diagonal
179587648.39861
Surface area
96755170372024416
Volume
2.0477851883937E+24
Space diagonal
219949051.34147
Perimeter
380962932
Area
6.982702957472E+15
Altitude
109974525.67073
Surface area
6.982702957472E+15
Volume
2.4133379885442E+23
Height
59862549.466202