81008036 is an even 8-digits composite number following 81008035
and preceding 81008037 . In scientific notation, it is written as 8.1008036 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 40373160 positive integers (up to 81008036) that are relatively prime to 81008036.
81008036 has 12 divisors, whose sum is 142222080
The reverse of 81008036 is 63080018
Previous prime number is 311
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
eighty-one million eight thousand thirty-six
Scientific notation
8.1008036 × 10^7
Engineering notation
8.1008036 × 10^6
Prime Factorization
2 × 2 × 311 × 65119
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40504018
Product of the distinct prime numbers
The prime factorization of 81008036 is 2 × 2 × 311 × 65119.
Since it has a total of 4 prime factors.
10 , 8 , 2 , 1 , 150 , 840 , 2360 , 5052 , 27155 , 27228 , 124028 , 459792 , 2966221 , 9861645 , 22115629 , 6100155 , 135555601 , 372352039 , 7865602413 , 350086542
n×2
162016072
n×3
243024108
n×4
324032144
n×5
405040180
n÷2
40504018
n÷3
27002678.666667
n÷3
20252009
n÷5
16201607.2
n2
6562301896577296
n3
5.315991882808E+23
n4
4.3063806181822E+31
n5
3.4885143614741E+39
2 √n
9000.4464333721
3 √n
432.68917915925
4 √n
94.870682686339
5 √n
38.168546390459
1 , 2 , 4 , 311 , 622 , 1244 , 65119 , 130238 , 260476 , 20252009 , 40504018 , 81008036
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
-81008035
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 81008036 can be divided by 12 positive divisors.
The sum of these divisors (counting 81008036) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101000001010110100100
3
Ternary
12122102122010122
4
Quaternary
10311001112210
5
Quinary
131214224121
6
Senary
12012141112
8
Octal
465012644
10
Decimal
81008036
12
Duodecimal
23167798
16
Hexadecimal
4d415a4
20
Vigesimal
156601g
36
Base36
1c8a78
md5
6bee897b54d01e5723103fa7229dd0a4
sha1
331433b13cff32763d8ef6e2dcd1c0812a66a620
sha256
c1e23df4b567673240e6e623c00fba8200b16f8d93f1ae23a1f469f9c8231995
sha512
8e3eecc72e447332f3e8e7aa2caa1c98d32a9b8ebcbc9858e57562238ea0b5970648cdfd631378576fb92ec5d9171b2f75f686291792f708409a37ffe3427b68
ripemd-160
1f89cbc7cc09c931dd7356543945248e7522b4ee
Diameter
162016072
Circumference
508988501.55867
Area
2.0616079428926E+16
Volume
2.226757472743E+24
Surface area
8.2464317715702E+16
Circumference
508988501.55867
Perimeter
324032144
Area
6562301896577296
Diagonal
114562663.17241
Surface area
39373811379463776
Volume
5.315991882808E+23
Space diagonal
140310034.17337
Perimeter
243024108
Area
2.8415600748694E+15
Altitude
70155017.086684
Surface area
2.8415600748694E+15
Volume
6.2649565151103E+22
Height
38187554.390803