80971818 is an even 8-digits composite number following 80971817
and preceding 80971819 . In scientific notation, it is written as 8.0971818 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 26969840 positive integers (up to 80971818) that are relatively prime to 80971818.
80971818 has 16 divisors, whose sum is 162068256
The reverse of 80971818 is 81817908
Previous prime number is 1523
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighty million nine hundred seventy-one thousand eight hundred eighteen
Scientific notation
8.0971818 × 10^7
Engineering notation
8.0971818 × 10^6
Prime Factorization
2 × 3 × 1523 × 8861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80971818
Product of the distinct prime numbers
The prime factorization of 80971818 is 2 × 3 × 1523 × 8861.
Since it has a total of 4 prime factors.
10 , 4 , 19 , 41 , 489 , 709 , 5586 , 5946 , 88659 , 90219 , 747943 , 424635 , 3674145 , 5113591 , 94455167 , 78625513 , 461752740 , 957262862 , 5158839056 , 1923905463
n×2
161943636
n×3
242915454
n×4
323887272
n×5
404859090
n÷2
40485909
n÷3
26990606
n÷3
20242954.5
n÷5
16194363.6
n2
6556435310225124
n3
5.3088648666832E+23
n4
4.2986843977167E+31
n5
3.4807229069135E+39
2 √n
8998.4341971256
3 √n
432.62468566979
4 √n
94.860076940332
5 √n
38.165132813808
1 , 2 , 3 , 6 , 1523 , 3046 , 4569 , 8861 , 9138 , 17722 , 26583 , 53166 , 13495303 , 26990606 , 40485909 , 80971818
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
-80971817
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 80971818 can be divided by 16 positive divisors.
The sum of these divisors (counting 80971818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100111000100000101010
3
Ternary
12122100210110020
4
Quaternary
10310320200222
5
Quinary
131212044233
6
Senary
12011301310
8
Octal
464704052
10
Decimal
80971818
12
Duodecimal
2314a836
16
Hexadecimal
4d3882a
20
Vigesimal
15619ai
36
Base36
1c7i96
md5
b6524ccc5d73e9e49f12a3b6244778fa
sha1
28efb12b45b3d12a6482747ee5f18be4c4076e6c
sha256
bdd8c75100e6d9d5fc7ed8cc33dcc43639795bb02f27e30eb644a892c27ae7d3
sha512
e1353336f972381d4816cebf3d95c7f029dd65aa3ab0275db4559c372361b4774bfb82ef754f7f7084303d39d299c59d84739d4798d36ce4e45a6eb855bf8826
ripemd-160
a15b9c3b52f298b429b066ca04f94dbf7408711d
Diameter
161943636
Circumference
508760937.15322
Area
2.059764900434E+16
Volume
2.2237721152097E+24
Surface area
8.239059601736E+16
Circumference
508760937.15322
Perimeter
323887272
Area
6556435310225124
Diagonal
114511443.18561
Surface area
39338611861350744
Volume
5.3088648666832E+23
Space diagonal
140247302.75722
Perimeter
242915454
Area
2.8390197684621E+15
Altitude
70123651.37861
Surface area
2.8390197684621E+15
Volume
6.2565572460579E+22
Height
38170481.061869