81004055 is an odd 8-digits composite number following 81004054
and preceding 81004056 . In scientific notation, it is written as 8.1004055 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 24 positive divisors.
There are 58520000 positive integers (up to 81004055) that are relatively prime to 81004055.
81004055 has 24 divisors, whose sum is 107557632
The reverse of 81004055 is 55040018
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
eighty-one million four thousand fifty-five
Scientific notation
8.1004055 × 10^7
Engineering notation
8.1004055 × 10^6
Prime Factorization
5 × 11 × 11 × 191 × 701
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7364005
Product of the distinct prime numbers
The prime factorization of 81004055 is 5 × 11 × 11 × 191 × 701.
Since it has a total of 5 prime factors.
6 , 9 , 78 , 7 , 685 , 862 , 1920 , 3706 , 42445 , 56410 , 258437 , 50515 , 2906611 , 7156348 , 2839001 , 60183375 , 910738814 , 739829845 , 8998622354 , 3112057168
n×2
162008110
n×3
243012165
n×4
324016220
n×5
405020275
n÷2
40502027.5
n÷3
27001351.666667
n÷3
20251013.75
n÷5
16200811
n2
6561656926443025
n3
5.3152081856072E+23
n4
4.3055341620338E+31
n5
3.4876572606576E+39
2 √n
9000.2252749584
3 √n
432.68209112237
4 √n
94.869517100902
5 √n
38.168171237628
1 , 5 , 11 , 55 , 121 , 191 , 605 , 701 , 955 , 2101 , 3505 , 7711 , 10505 , 23111 , 38555 , 84821 , 115555 , 133891 , 424105 , 669455 , 1472801 , 7364005 , 16200811 , 81004055
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81004054
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81004055 can be divided by 24 positive divisors.
The sum of these divisors (counting 81004055) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100110101000000011000010111
3
Ternary
12122102102200012
4
Quaternary
10311000120113
5
Quinary
131214112210
6
Senary
12012110435
8
Octal
465003027
10
Decimal
81004055
12
Duodecimal
2316541b
16
Hexadecimal
4d40617
20
Vigesimal
1565a2f
36
Base36
1c874n
md5
5ddfa6780b597485f03dd62ebdf146e7
sha1
a0fd43d59381e7595ba66853cbb1df4ddb207ac3
sha256
14cb16d6cf4d25f104517f1431d61cb6f03509f1cfd9966749c2c390cd534b63
sha512
8dc8cda07f983b7e94613241df30df8c3632835b730c4f25b955abdbebae54622b24897426f833c299f007aee6acd42b4f6bad8a8e0518ef96b9399e9f5c2755
ripemd-160
cc71402b8dd7d27a7d1975b7fb83e290dfc19c0e
Diameter
162008110
Circumference
508963488.19797
Area
2.061405319549E+16
Volume
2.2264291984272E+24
Surface area
8.245621278196E+16
Circumference
508963488.19797
Perimeter
324016220
Area
6561656926443025
Diagonal
114557033.18822
Surface area
39369941558658150
Volume
5.3152081856072E+23
Space diagonal
140303138.8791
Perimeter
243012165
Area
2.8412807946089E+15
Altitude
70151569.439552
Surface area
2.8412807946089E+15
Volume
6.2640329191018E+22
Height
38185677.729405