81008076 is an even 8-digits composite number following 81008075
and preceding 81008077 . In scientific notation, it is written as 8.1008076 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors.
There are 27002688 positive integers (up to 81008076) that are relatively prime to 81008076.
81008076 has 12 divisors, whose sum is 189018872
The reverse of 81008076 is 67080018
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million eight thousand seventy-six
Scientific notation
8.1008076 × 10^7
Engineering notation
8.1008076 × 10^6
Prime Factorization
2 × 2 × 3 × 6750673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40504038
Product of the distinct prime numbers
The prime factorization of 81008076 is 2 × 2 × 3 × 6750673.
Since it has a total of 4 prime factors.
2 , 6 , 35 , 8 , 352 , 807 , 463 , 6303 , 82407 , 97377 , 14558 , 253489 , 1752935 , 6887643 , 57519404 , 69276879 , 322989245 , 945138492 , 5122169613 , 8344077423
n×2
162016152
n×3
243024228
n×4
324032304
n×5
405040380
n÷2
40504038
n÷3
27002692
n÷3
20252019
n÷5
16201615.2
n2
6562308377221776
n3
5.3159997575742E+23
n4
4.3063891237755E+31
n5
3.4885229742438E+39
2 √n
9000.4486554838
3 √n
432.68925037673
4 √n
94.870694397605
5 √n
38.168550159817
1 , 2 , 3 , 4 , 6 , 12 , 6750673 , 13501346 , 20252019 , 27002692 , 40504038 , 81008076
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
-81008075
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 81008076 can be divided by 12 positive divisors.
The sum of these divisors (counting 81008076) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110101000001010111001100
3
Ternary
12122102122012010
4
Quaternary
10311001113030
5
Quinary
131214224301
6
Senary
12012141220
8
Octal
465012714
10
Decimal
81008076
12
Duodecimal
23167810
16
Hexadecimal
4d415cc
20
Vigesimal
156603g
36
Base36
1c8a8c
md5
ff56c601b9520515f8217138fce2293e
sha1
62b5119860c834bb9d87373d6dce3dcd0c2f228d
sha256
dd2797644af5594ab5117b17d3a4da0c666366a8b66fbd623cfa859c295ac58d
sha512
71eca79bcb263c9d46b118198e1316970069a10544df6c3c25104b44dc79d70ddf60262cdcdd8e9adba70d8d52e2b7b9c64f53b86e385d51720fcd2f5bec1b93
ripemd-160
5422b1bfeb6ae216d62fc15ab209678a25cb13b3
Diameter
162016152
Circumference
508988752.88609
Area
2.0616099788471E+16
Volume
2.2267607713174E+24
Surface area
8.2464399153883E+16
Circumference
508988752.88609
Perimeter
324032304
Area
6562308377221776
Diagonal
114562719.74095
Surface area
39373850263330656
Volume
5.3159997575742E+23
Space diagonal
140310103.4554
Perimeter
243024228
Area
2.8415628810707E+15
Altitude
70155051.7277
Surface area
2.8415628810707E+15
Volume
6.2649657956112E+22
Height
38187573.246983