81097922 is an even 8-digits composite number following 81097921
and preceding 81097923 . In scientific notation, it is written as 8.1097922 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 36932160 positive integers (up to 81097922) that are relatively prime to 81097922.
81097922 has 16 divisors, whose sum is 132959232
The reverse of 81097922 is 22979018
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighty-one million ninety-seven thousand nine hundred twenty-two
Scientific notation
8.1097922 × 10^7
Engineering notation
8.1097922 × 10^6
Prime Factorization
2 × 17 × 31 × 76943
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81097922
Product of the distinct prime numbers
The prime factorization of 81097922 is 2 × 17 × 31 × 76943.
Since it has a total of 4 prime factors.
9 , 3 , 91 , 23 , 485 , 146 , 3461 , 4180 , 50370 , 66738 , 810375 , 484223 , 5144390 , 4897291 , 95859418 , 75053282 , 79840094 , 714622422 , 246737955 , 2394298659
n×2
162195844
n×3
243293766
n×4
324391688
n×5
405489610
n÷2
40548961
n÷3
27032640.666667
n÷3
20274480.5
n÷5
16219584.4
n2
6576872952718084
n3
5.3337072972344E+23
n4
4.3255257836195E+31
n5
3.5079115260896E+39
2 √n
9005.4384679481
3 √n
432.84915638829
4 √n
94.896988719074
5 √n
38.177012948637
1 , 2 , 17 , 31 , 34 , 62 , 527 , 1054 , 76943 , 153886 , 1308031 , 2385233 , 2616062 , 4770466 , 40548961 , 81097922
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
-81097921
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 81097922 can be divided by 16 positive divisors.
The sum of these divisors (counting 81097922) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101010111010011000010
3
Ternary
12122121012102202
4
Quaternary
10311113103002
5
Quinary
131230113142
6
Senary
12014113202
8
Octal
465272302
10
Decimal
81097922
12
Duodecimal
231ab802
16
Hexadecimal
4d574c2
20
Vigesimal
156h4g2
36
Base36
1ca7k2
md5
11f7ecc7104bd0c299eb383613b12cbf
sha1
6a76acc43ae75168c03d0e5c44663cdbdf57598d
sha256
aa89ee1f878788fcdc2cce4b0c8892327b9235c01c10379dc35306f15bdc6de8
sha512
a4f7ebcaa98f3d2102057c98b538e5e31caf50e97cf57389c8eacfabbe6e18d1a11a063cb3a962aebfa0df0a2c51ebb9acdc100838db2184aa4ed7f913edf041
ripemd-160
d02fdba9168e76b792adcbe5694a7dc4cbb7a14b
Diameter
162195844
Circumference
509553271.9532
Area
2.0661855751853E+16
Volume
2.2341780881853E+24
Surface area
8.264742300741E+16
Circumference
509553271.9532
Perimeter
324391688
Area
6576872952718084
Diagonal
114689781.17268
Surface area
39461237716308504
Volume
5.3337072972344E+23
Space diagonal
140465721.29226
Perimeter
243293766
Area
2.8478695272583E+15
Altitude
70232860.646129
Surface area
2.8478695272583E+15
Volume
6.285834331231E+22
Height
38229927.057558