80811085 is an odd 8-digits composite number following 80811084
and preceding 80811086 . In scientific notation, it is written as 8.0811085 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 61058880 positive integers (up to 80811085) that are relatively prime to 80811085.
80811085 has 8 divisors, whose sum is 81911808
The reverse of 80811085 is 58011808
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty million eight hundred eleven thousand eighty-five
Scientific notation
8.0811085 × 10^7
Engineering notation
8.0811085 × 10^6
Prime Factorization
95 × 383 × 2221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
80811085
Product of the distinct prime numbers
The prime factorization of 80811085 is 95 × 383 × 2221.
Since it has a total of 3 prime factors.
2 , 2 , 44 , 99 , 366 , 573 , 321 , 6245 , 80761 , 26838 , 386903 , 847738 , 1339609 , 9241409 , 37300443 , 28857099 , 787719946 , 344979237 , 2234628189 , 3914903581
n×2
161622170
n×3
242433255
n×4
323244340
n×5
404055425
n÷2
40405542.5
n÷3
26937028.333333
n÷3
20202771.25
n÷5
16162217
n2
6530431458877225
n3
5.2773125171E+23
n4
4.2646535039093E+31
n5
3.4463127679996E+39
2 √n
8989.4985955836
3 √n
432.33823569408
4 √n
94.812966389538
5 √n
38.14996883927
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80811084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80811085 can be divided by 8 positive divisors.
The sum of these divisors (counting 80811085) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110100010001010001001101
3
Ternary
12122001121222011
4
Quaternary
10310101101031
5
Quinary
131141423320
6
Senary
12004021221
8
Octal
464212115
10
Decimal
80811085
12
Duodecimal
23091811
16
Hexadecimal
4d1144d
20
Vigesimal
15517e5
36
Base36
1c428d
md5
a152d964f0c44a34ca9643410d5bf019
sha1
7b76b8f0e28f5178e1a4a6d9dc193087cb37fefb
sha256
e78c4f8e0b11108385884bc799feaddc77e2694ed279bc3d62285e40e9a0846e
sha512
6a3529b6f7d0ba46b9be0565ce381313c352f9780c7ce23cb19465ac99ec8bdfa1af24bae8f6b4500db9af5621b79d36be3ffede091a98eb527c70f06a984905
ripemd-160
af7aac1f929aef3da53d2b9fd431c99a65f9a797
Diameter
161622170
Circumference
507751021.92924
Area
2.051595549598E+16
Volume
2.2105554979225E+24
Surface area
8.2063821983921E+16
Circumference
507751021.92924
Perimeter
323244340
Area
6530431458877225
Diagonal
114284132.39708
Surface area
39182588753263350
Volume
5.2773125171E+23
Space diagonal
139968905.03477
Perimeter
242433255
Area
2.8277597705304E+15
Altitude
69984452.517384
Surface area
2.8277597705304E+15
Volume
6.2193724454701E+22
Height
38094710.799028