81017836 is an even 8-digits composite number following 81017835
and preceding 81017837 . In scientific notation, it is written as 8.1017836 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 40150208 positive integers (up to 81017836) that are relatively prime to 81017836.
81017836 has 12 divisors, whose sum is 143036712
The reverse of 81017836 is 63871018
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million seventeen thousand eight hundred thirty-six
Scientific notation
8.1017836 × 10^7
Engineering notation
8.1017836 × 10^6
Prime Factorization
2 × 2 × 113 × 179243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40508918
Product of the distinct prime numbers
The prime factorization of 81017836 is 2 × 2 × 113 × 179243.
Since it has a total of 4 prime factors.
9 , 5 , 49 , 8 , 213 , 900 , 5799 , 9680 , 58064 , 93849 , 890317 , 369462 , 3548258 , 3060216 , 14924574 , 57053317 , 619007963 , 675796538 , 9325357865 , 7126721383
n×2
162035672
n×3
243053508
n×4
324071344
n×5
405089180
n÷2
40508918
n÷3
27005945.333333
n÷3
20254459
n÷5
16203567.2
n2
6563889750122896
n3
5.3179214329754E+23
n4
4.3084648651768E+31
n5
3.4906249985866E+39
2 √n
9000.9908343471
3 √n
432.70662674093
4 √n
94.873551816863
5 √n
38.169469838734
1 , 2 , 4 , 113 , 226 , 452 , 179243 , 358486 , 716972 , 20254459 , 40508918 , 81017836
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
-81017835
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 81017836 can be divided by 12 positive divisors.
The sum of these divisors (counting 81017836) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101000011101111101100
3
Ternary
12122110010120121
4
Quaternary
10311003233230
5
Quinary
131220032321
6
Senary
12012254324
8
Octal
465035754
10
Decimal
81017836
12
Duodecimal
231713a4
16
Hexadecimal
4d43bec
20
Vigesimal
15674bg
36
Base36
1c8hrg
md5
db98868d5b05a3fa3eb2eb4e9f31d3bb
sha1
fc38c7c091fdf4c88f871786a86b78707043989e
sha256
f42d94e1b62ded4d1d05d6e7f1ffa37782b2ea33caee2a4c4bc20ef806a0f786
sha512
a49ace77b38797145b37979d5ce71483cd73f6a60a95e834c2155cb82fea4abcbbaab366e792ccc1b446152f8b6f173c93c9f8f1aed09334b64357d97fdb7746
ripemd-160
c5e67b8993c846276d9496e49855977f3bb6ac5c
Diameter
162035672
Circumference
509050076.77469
Area
2.0621067817959E+16
Volume
2.2275657208271E+24
Surface area
8.2484271271838E+16
Circumference
509050076.77469
Perimeter
324071344
Area
6563889750122896
Diagonal
114576522.46532
Surface area
39383338500737376
Volume
5.3179214329754E+23
Space diagonal
140327008.27128
Perimeter
243053508
Area
2.8422476356234E+15
Altitude
70163504.135641
Surface area
2.8422476356234E+15
Volume
6.2672305117903E+22
Height
38192174.155106