80815090 is an even 8-digits composite number following 80815089
and preceding 80815091 . In scientific notation, it is written as 8.0815090 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 31638064 positive integers (up to 80815090) that are relatively prime to 80815090.
80815090 has 16 divisors, whose sum is 148563072
The reverse of 80815090 is 09051808
Previous prime number is 47
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty million eight hundred fifteen thousand ninety
Scientific notation
8.0815090 × 10^7
Engineering notation
8.0815090 × 10^6
Prime Factorization
2 × 5 × 47 × 171947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80815090
Product of the distinct prime numbers
The prime factorization of 80815090 is 2 × 5 × 47 × 171947.
Since it has a total of 4 prime factors.
3 , 5 , 97 , 5 , 968 , 361 , 8378 , 9620 , 44675 , 97763 , 885975 , 360034 , 9122508 , 2773682 , 90514072 , 92574005 , 839114880 , 825108874 , 7376366766 , 821283445
n×2
161630180
n×3
242445270
n×4
323260360
n×5
404075450
n÷2
40407545
n÷3
26938363.333333
n÷3
20203772.5
n÷5
16163018
n2
6531078771708100
n3
5.2780971873268E+23
n4
4.2654989922256E+31
n5
3.4471668495162E+39
2 √n
8989.721352745
3 √n
432.34537780844
4 √n
94.81414110113
5 √n
38.150346974514
1 , 2 , 5 , 10 , 47 , 94 , 235 , 470 , 171947 , 343894 , 859735 , 1719470 , 8081509 , 16163018 , 40407545 , 80815090
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
-80815089
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 80815090 can be divided by 16 positive divisors.
The sum of these divisors (counting 80815090) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010010001111110010
3
Ternary
12122001211110111
4
Quaternary
10310102033302
5
Quinary
131142040330
6
Senary
12004051534
8
Octal
464221762
10
Decimal
80815090
12
Duodecimal
23093baa
16
Hexadecimal
4d123f2
20
Vigesimal
1551hea
36
Base36
1c45bm
md5
a42fb1f567dff0129f98cea959e56fe2
sha1
a314fcd920b9a300620b2d36aba21748001f0be3
sha256
e18c7ec3c764f9b33061f02eed9ccf2ecfecfd2294a8b2a0dc10ef72c9837256
sha512
0b426e77e3ef63b40ff37d81c86839866c28894afbf37f3426002f744d04ef5d885f970ce4d1464a5eb9432f003d6408613515fd646ba20d675a9b7e67769958
ripemd-160
9ea5bf1adb267402908111b0b3c4d6fae897ae77
Diameter
161630180
Circumference
507776186.0864
Area
2.0517989089214E+16
Volume
2.2108841798185E+24
Surface area
8.2071956356858E+16
Circumference
507776186.0864
Perimeter
323260360
Area
6531078771708100
Diagonal
114289796.3224
Surface area
39186472630248600
Volume
5.2780971873268E+23
Space diagonal
139975841.89825
Perimeter
242445270
Area
2.8280400652082E+15
Altitude
69987920.949126
Surface area
2.8280400652082E+15
Volume
6.2202971882007E+22
Height
38096598.774134