81126044 is an even 8-digits composite number following 81126043
and preceding 81126045 . In scientific notation, it is written as 8.1126044 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 39573600 positive integers (up to 81126044) that are relatively prime to 81126044.
81126044 has 12 divisors, whose sum is 145433568
The reverse of 81126044 is 44062118
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million one hundred twenty-six thousand forty-four
Scientific notation
8.1126044 × 10^7
Engineering notation
8.1126044 × 10^6
Prime Factorization
2 × 2 × 41 × 494671
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40563022
Product of the distinct prime numbers
The prime factorization of 81126044 is 2 × 2 × 41 × 494671.
Since it has a total of 4 prime factors.
2 , 2 , 30 , 36 , 664 , 865 , 8132 , 7666 , 20670 , 84451 , 711711 , 270937 , 330286 , 9806819 , 35741144 , 73884303 , 760976287 , 40661069 , 5556290325 , 7450038219
n×2
162252088
n×3
243378132
n×4
324504176
n×5
405630220
n÷2
40563022
n÷3
27042014.666667
n÷3
20281511
n÷5
16225208.8
n2
6581435015089936
n3
5.3392578661733E+23
n4
4.3315286857852E+31
n5
3.5139978675027E+39
2 √n
9006.9997224381
3 √n
432.89918305948
4 √n
94.905214411212
5 √n
38.179660279285
1 , 2 , 4 , 41 , 82 , 164 , 494671 , 989342 , 1978684 , 20281511 , 40563022 , 81126044
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
-81126043
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 81126044 can be divided by 12 positive divisors.
The sum of these divisors (counting 81126044) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101011110001010011100
3
Ternary
12122122122000022
4
Quaternary
10311132022130
5
Quinary
131232013134
6
Senary
12014451312
8
Octal
465361234
10
Decimal
81126044
12
Duodecimal
23203b38
16
Hexadecimal
4d5e29c
20
Vigesimal
1570f24
36
Base36
1cat98
md5
753a760802fc098e1cfc58b636381a68
sha1
e73d93526286634fcb02de9ddc66ef91ae6e8125
sha256
e96038ab874d2d69c3abe668dd7e6229456d48fe3d253d25237520d71a0fdcd3
sha512
56a308a8725baba2e1575ff278e1bea28e4b048452ceabe66484b979436f3f82177980b6699691128c63f8d9a4800788554b95aed947f9718f5f8f905bfc7196
ripemd-160
32b4110c2ac837cf295f1ae025cddf7abfeca5f1
Diameter
162252088
Circumference
509729967.6904
Area
2.0676187893485E+16
Volume
2.2365031050655E+24
Surface area
8.2704751573941E+16
Circumference
509729967.6904
Perimeter
324504176
Area
6581435015089936
Diagonal
114729551.68648
Surface area
39488610090539616
Volume
5.3392578661733E+23
Space diagonal
140514430.02507
Perimeter
243378132
Area
2.8498449582122E+15
Altitude
70257215.012534
Surface area
2.8498449582122E+15
Volume
6.2923757394579E+22
Height
38243183.895492