80811918 is an even 8-digits composite number following 80811917
and preceding 80811919 . In scientific notation, it is written as 8.0811918 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 24192000 positive integers (up to 80811918) that are relatively prime to 80811918.
80811918 has 16 divisors, whose sum is 122828400
The reverse of 80811918 is 81911808
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty million eight hundred eleven thousand nine hundred eighteen
Scientific notation
8.0811918 × 10^7
Engineering notation
8.0811918 × 10^6
Prime Factorization
2 × 891 × 101 × 449
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80811918
Product of the distinct prime numbers
The prime factorization of 80811918 is 2 × 891 × 101 × 449.
Since it has a total of 4 prime factors.
3 , 1 , 40 , 62 , 858 , 71 , 1611 , 7630 , 29649 , 25348 , 493124 , 656171 , 3003803 , 4713088 , 95515577 , 42784519 , 772194421 , 536499414 , 7237997963 , 6232038007
n×2
161623836
n×3
242435754
n×4
323247672
n×5
404059590
n÷2
40405959
n÷3
26937306
n÷3
20202979.5
n÷5
16162383.6
n2
6530566090838724
n3
5.2774757142644E+23
n4
4.2648293466813E+31
n5
3.44649039448E+39
2 √n
8989.544927303
3 √n
432.33972120197
4 √n
94.813210721413
5 √n
38.150047488859
1 , 2 , 101 , 202 , 449 , 891 , 898 , 1782 , 45349 , 89991 , 90698 , 179982 , 400059 , 800118 , 40405959 , 80811918
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
-80811917
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 80811918 can be divided by 16 positive divisors.
The sum of these divisors (counting 80811918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010001011110001110
3
Ternary
12122001200010000
4
Quaternary
10310101132032
5
Quinary
131141440133
6
Senary
12004025130
8
Octal
464213616
10
Decimal
80811918
12
Duodecimal
230921a6
16
Hexadecimal
4d1178e
20
Vigesimal
15519fi
36
Base36
1c42vi
md5
8fb2d16a96feea2ae6bf9a98d2d18205
sha1
f6c389a68a60874db2ebc50b7aab643508d46921
sha256
e57084a38815a31ac5916d09109ee0f41329805fa7230481dff2dae80c554f16
sha512
c60660da7cd396206fcb03f7ba6ea34f5ff101f21fceae6aada7a256f3eeb11b146a5a27636473408fe4cfbe9f7d34f5152fc070ea2108dbbed79a0928d0830d
ripemd-160
120f364207063f1c34a4f4da543efacd97c89eb9
Diameter
161623836
Circumference
507756255.8226
Area
2.0516378454762E+16
Volume
2.2106238577909E+24
Surface area
8.2065513819046E+16
Circumference
507756255.8226
Perimeter
323247672
Area
6530566090838724
Diagonal
114285310.43698
Surface area
39183396545032344
Volume
5.2774757142644E+23
Space diagonal
139970347.83309
Perimeter
242435754
Area
2.8278180678798E+15
Altitude
69985173.916545
Surface area
2.8278180678798E+15
Volume
6.2195647751728E+22
Height
38095103.478994