81234510 is an even 8-digits composite number following 81234509
and preceding 81234511 . In scientific notation, it is written as 8.1234510 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 17926272 positive integers (up to 81234510) that are relatively prime to 81234510.
81234510 has 16 divisors, whose sum is 127263600
The reverse of 81234510 is 01543218
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million two hundred thirty-four thousand five hundred ten
Scientific notation
8.1234510 × 10^7
Engineering notation
8.1234510 × 10^6
Prime Factorization
2 × 105 × 29 × 13339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81234510
Product of the distinct prime numbers
The prime factorization of 81234510 is 2 × 105 × 29 × 13339.
Since it has a total of 4 prime factors.
4 , 9 , 98 , 41 , 470 , 409 , 9679 , 7912 , 23205 , 87680 , 461374 , 901739 , 2166740 , 9452108 , 58660887 , 99916019 , 16265800 , 947412070 , 8764256696 , 2188831553
n×2
162469020
n×3
243703530
n×4
324938040
n×5
406172550
n÷2
40617255
n÷3
27078170
n÷3
20308627.5
n÷5
16246902
n2
6599045614940100
n3
5.3607023699731E+23
n4
4.354740302806E+31
n5
3.537551946757E+39
2 √n
9013.0189170999
3 √n
433.09202672885
4 √n
94.936920726869
5 √n
38.189864109971
1 , 2 , 29 , 58 , 105 , 210 , 3045 , 6090 , 13339 , 26678 , 386831 , 773662 , 1400595 , 2801190 , 40617255 , 81234510
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
-81234509
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 81234510 can be divided by 16 positive divisors.
The sum of these divisors (counting 81234510) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101111000101001001110
3
Ternary
12122212010210120
4
Quaternary
10311320221032
5
Quinary
131244001020
6
Senary
12021045410
8
Octal
465705116
10
Decimal
81234510
12
Duodecimal
23256866
16
Hexadecimal
4d78a4e
20
Vigesimal
157e65a
36
Base36
1cd4y6
md5
6ac8ae0e5975adeaee30f446ddfd1fb2
sha1
fbb33260e1e1cb2762b3d93b6d9581e349742d5b
sha256
d019207f98e14ae4d7dd32db7162cefc603885948ed1c1b9873844681b67451b
sha512
97e42e87112f6f523c2340f7dce55b56c2ef0277b346dba556d921f30e54eb12dfc2f76727c5520665fedf9454bdfc9ce915c1397616220bc4e9517318116f32
ripemd-160
e5c9a5c2d1e8b3af458e98fb63080dea8ae17fa3
Diameter
162469020
Circumference
510411479.66793
Area
2.07315132246E+16
Volume
2.2454857578118E+24
Surface area
8.2926052898399E+16
Circumference
510411479.66793
Perimeter
324938040
Area
6599045614940100
Diagonal
114882945.77473
Surface area
39594273689640600
Volume
5.3607023699731E+23
Space diagonal
140702298.64796
Perimeter
243703530
Area
2.8574705716352E+15
Altitude
70351149.323981
Surface area
2.8574705716352E+15
Volume
6.3176483295513E+22
Height
38294315.258244