80661805 is an odd 8-digits composite number following 80661804
and preceding 80661806 . In scientific notation, it is written as 8.0661805 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 52310016 positive integers (up to 80661805) that are relatively prime to 80661805.
80661805 has 16 divisors, whose sum is 87550848
The reverse of 80661805 is 50816608
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty million six hundred sixty-one thousand eight hundred five
Scientific notation
8.0661805 × 10^7
Engineering notation
8.0661805 × 10^6
Prime Factorization
35 × 23 × 97 × 1033
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80661805
Product of the distinct prime numbers
The prime factorization of 80661805 is 35 × 23 × 97 × 1033.
Since it has a total of 4 prime factors.
8 , 3 , 17 , 50 , 322 , 882 , 2110 , 9052 , 38133 , 91140 , 299743 , 903236 , 8888862 , 2312085 , 95206519 , 87829263 , 317137028 , 82959937 , 5868528699 , 8182411566
n×2
161323610
n×3
241985415
n×4
322647220
n×5
403309025
n÷2
40330902.5
n÷3
26887268.333333
n÷3
20165451.25
n÷5
16132361
n2
6506326785858025
n3
5.2481206246716E+23
n4
4.2332288244374E+31
n5
3.4145987795715E+39
2 √n
8981.1917360671
3 √n
432.07185625994
4 √n
94.769149706363
5 √n
38.13586374435
1 , 23 , 35 , 97 , 805 , 1033 , 2231 , 3395 , 23759 , 36155 , 78085 , 100201 , 831565 , 2304623 , 3507035 , 80661805
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-80661804
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 80661805 can be divided by 16 positive divisors.
The sum of these divisors (counting 80661805) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110011101100110100101101
3
Ternary
12121210001012021
4
Quaternary
10303230310231
5
Quinary
131122134210
6
Senary
12000510141
8
Octal
463546455
10
Decimal
80661805
12
Duodecimal
2301b351
16
Hexadecimal
4cecd2d
20
Vigesimal
1542ea5
36
Base36
1c0v1p
md5
5b17e54d36f03c594b007ee099ab116b
sha1
5f4544e3276a582457f1ec1e6dd96f6530ca6945
sha256
f3b3da0f66a3c9a2eab034df23b3b6ca7eaea6913d959f748012e32585221254
sha512
d584cf416fa04f30dd9eda11af3db68d3e1e129feab3667cd5a8fefa51e5ed3e04d08c4b8a3f3ca311fe24d8a50371bee7518ea06f20c7fc45c8d9864007c11c
ripemd-160
b6aa7b19faa150b39b3c1e6efb7e4568079f3053
Diameter
161323610
Circumference
506813068.02658
Area
2.0440228432306E+16
Volume
2.1983276266162E+24
Surface area
8.1760913729224E+16
Circumference
506813068.02658
Perimeter
322647220
Area
6506326785858025
Diagonal
114073018.59649
Surface area
39037960715148150
Volume
5.2481206246716E+23
Space diagonal
139710344.49021
Perimeter
241985415
Area
2.8173221409381E+15
Altitude
69855172.245107
Surface area
2.8173221409381E+15
Volume
6.1849694703171E+22
Height
38024339.532165