80811930 is an even 8-digits composite number following 80811929
and preceding 80811931 . In scientific notation, it is written as 8.0811930 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 21549840 positive integers (up to 80811930) that are relatively prime to 80811930.
80811930 has 16 divisors, whose sum is 193948704
The reverse of 80811930 is 03911808
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty million eight hundred eleven thousand nine hundred thirty
Scientific notation
8.0811930 × 10^7
Engineering notation
8.0811930 × 10^6
Prime Factorization
2 × 5 × 3 × 2693731
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80811930
Product of the distinct prime numbers
The prime factorization of 80811930 is 2 × 5 × 3 × 2693731.
Since it has a total of 4 prime factors.
3 , 10 , 69 , 91 , 757 , 271 , 2909 , 9417 , 36200 , 36629 , 408766 , 793232 , 6654467 , 3023569 , 59792355 , 147783 , 127934285 , 612975238 , 2730073502 , 7213421200
n×2
161623860
n×3
242435790
n×4
323247720
n×5
404059650
n÷2
40405965
n÷3
26937310
n÷3
20202982.5
n÷5
16162386
n2
6530568030324900
n3
5.2774780652685E+23
n4
4.2648318798702E+31
n5
3.4464929533784E+39
2 √n
8989.545594745
3 √n
432.33974260177
4 √n
94.813214241186
5 √n
38.150048621862
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 2693731 , 5387462 , 8081193 , 13468655 , 16162386 , 26937310 , 40405965 , 80811930
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
-80811929
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 80811930 can be divided by 16 positive divisors.
The sum of these divisors (counting 80811930) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100010001011110011010
3
Ternary
12122001200010110
4
Quaternary
10310101132122
5
Quinary
131141440210
6
Senary
12004025150
8
Octal
464213632
10
Decimal
80811930
12
Duodecimal
230921b6
16
Hexadecimal
4d1179a
20
Vigesimal
15519ga
36
Base36
1c42vu
md5
4d8f33e73b2c8fe38d8b82c5180e6e10
sha1
26fe7981ed385bba7c16227ca2e6c74571bacecb
sha256
f305e93d16d35f4bcba6044dc3c0bd45ee489e62c815ff22e6cb9465440f8269
sha512
b1a3d9c9e807f952ddce3b77ee5077d922807eb07b29ffd590a34d8d2a495c1b4826a30c90b76357804fd8538d4e97903335a3636a9dc213359fef9b7778a671
ripemd-160
3062717fb1c816b397d67916305a4b2f50187239
Diameter
161623860
Circumference
507756331.22083
Area
2.0516384547837E+16
Volume
2.2106248425772E+24
Surface area
8.2065538191348E+16
Circumference
507756331.22083
Perimeter
323247720
Area
6530568030324900
Diagonal
114285327.40755
Surface area
39183408181949400
Volume
5.2774780652685E+23
Space diagonal
139970368.6177
Perimeter
242435790
Area
2.8278189077019E+15
Altitude
69985184.30885
Surface area
2.8278189077019E+15
Volume
6.2195675458577E+22
Height
38095109.135848