81365526 is an even 8-digits composite number following 81365525
and preceding 81365527 . In scientific notation, it is written as 8.1365526 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 24656040 positive integers (up to 81365526) that are relatively prime to 81365526.
81365526 has 32 divisors, whose sum is 197251200
The reverse of 81365526 is 62556318
Previous prime number is 11
Is Prime? no Number parity even Number length 8 Sum of Digits 36 Digital Root 9
Name
eighty-one million three hundred sixty-five thousand five hundred twenty-six
Scientific notation
8.1365526 × 10^7
Engineering notation
8.1365526 × 10^6
Prime Factorization
2 × 9 × 3 × 11 × 136979
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
81365526 Product of the distinct prime numbers
The prime factorization of 81365526 is 2 × 9 × 3 × 11 × 136979.
Since it has a total of 5 prime factors.
8 , 10 , 91 , 86 , 213 , 829 , 6142 , 4454 , 76461 , 97128 , 632130 , 687783 , 3312161 , 8562718 , 21673668 , 37095099 , 482695154 , 539562182 , 1799325321 , 9564496489
n×2
162731052
n×3
244096578
n×4
325462104
n×5
406827630
n÷2
40682763
n÷3
27121842
n÷3
20341381.5
n÷5
16273105.2
n2
6620348821256676
n3
5.3866816414503E+23
n4
4.3829018515115E+31
n5
3.566171145546E+39
2 √n9020.284141866
3 √n433.32473368864
4 √n94.975176450829
5 √n38.202174785532
1 , 2 , 3 , 6 , 9 , 11 , 18 , 22 , 27 , 33 , 54 , 66 , 99 , 198 , 297 , 594 , 136979 , 273958 , 410937 , 821874 , 1232811 , 1506769 , 2465622 , 3013538 , 3698433 , 4520307 , 7396866 , 9040614 , 13560921 , 27121842 , 40682763 , 81365526
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-81365525 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81365526 can be divided by 32 positive divisors.
The sum of these divisors (counting 81365526) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110110011000101000010110
3
Ternary
12200002210112000
4
Quaternary
10312120220112
5
Quinary
131312144101
6
Senary
12023540130
8
Octal
466305026
10
Decimal
81365526
12
Duodecimal
232ba646
16
Hexadecimal
4d98a16
20
Vigesimal
158adg6
36
Base36
1cfy1i
md5
a6df83fdd47da6eb10c5e229d75e3d25
sha1
e0a0170a43a05185dee5900340c5ad9270ff3531
sha256
66a8c9fe3a805934dcb12a2acace5fe0fc32652660c8711eec6ed50a0ac0e6ae
sha512
a245751c7214302229d72f330075b13de533f862c78e7b8aa779fa70f1d5fd911317588955172b58611935ed2d3219d4f27b201c79e49ee91f0849b0ccd8d437
ripemd-160
3d9e167d74d12c57d93c7f3b159e4c1f48e66c5c
Diameter
162731052
Circumference
511234677.47414
Area
2.0798439221062E+16
Volume
2.256367929601E+24
Surface area
8.3193756884247E+16
Circumference
511234677.47414
Perimeter
325462104
Area
6620348821256676
Diagonal
115068230.37882
Surface area
39722092927540056
Volume
5.3866816414503E+23
Space diagonal
140929225.01657
Perimeter
244096578
Area
2.8666951305613E+15
Altitude
70464612.508283
Surface area
2.8666951305613E+15
Volume
6.3482651946043E+22
Height
38356076.79294