81133807 is an odd 8-digits composite number following 81133806
and preceding 81133808 . In scientific notation, it is written as 8.1133807 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 80288064 positive integers (up to 81133807) that are relatively prime to 81133807.
81133807 has 6 divisors, whose sum is 81988368
The reverse of 81133807 is 70833118
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million one hundred thirty-three thousand eight hundred seven
Scientific notation
8.1133807 × 10^7
Engineering notation
8.1133807 × 10^6
Prime Factorization
97 × 97 × 8623
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
836431
Product of the distinct prime numbers
The prime factorization of 81133807 is 97 × 97 × 8623.
Since it has a total of 3 prime factors.
4 , 1 , 1 , 51 , 488 , 750 , 2624 , 5343 , 90668 , 54817 , 233228 , 620003 , 7398367 , 7589656 , 13631079 , 47080061 , 180967217 , 86302178 , 3546932540 , 3017339223
n×2
162267614
n×3
243401421
n×4
324535228
n×5
405669035
n÷2
40566903.5
n÷3
27044602.333333
n÷3
20283451.75
n÷5
16226761.4
n2
6582694638313249
n3
5.3407907632484E+23
n4
4.3331868701278E+31
n5
3.5156794721588E+39
2 √n
9007.4306547428
3 √n
432.9129907469
4 √n
94.907484714024
5 √n
38.180390938255
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81133806
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81133807 can be divided by 6 positive divisors.
The sum of these divisors (counting 81133807) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100110101100000000011101111
3
Ternary
12122200000122211
4
Quaternary
10311200003233
5
Quinary
131232240212
6
Senary
12014551251
8
Octal
465400357
10
Decimal
81133807
12
Duodecimal
23208527
16
Hexadecimal
4d600ef
20
Vigesimal
1571ea7
36
Base36
1caz8v
md5
d0eabaa5cd82557067dbfd74fb526da0
sha1
491ed5fd5e541e2b08c59ccc9f5ccfada8dd4c4d
sha256
f86694cabcef8d155e4cb0779b0d0c50dcc8f1794b103ca1c9b28ccad3d4fd38
sha512
55096042931f288a0404811bca9f7959dae26e1cd94c0f5397cb0b46dc379406893cc2667cd865e7fbc9dd19dfd4b359dc50166f23d406bb49d3c61410483148
ripemd-160
48e006a6ccf45f018f87c84df4c3cf8f556754b9
Diameter
162267614
Circumference
509778744.05794
Area
2.068014511655E+16
Volume
2.2371452034909E+24
Surface area
8.2720580466199E+16
Circumference
509778744.05794
Perimeter
324535228
Area
6582694638313249
Diagonal
114740530.22636
Surface area
39496167829879494
Volume
5.3407907632484E+23
Space diagonal
140527875.93549
Perimeter
243401421
Area
2.8503903910674E+15
Altitude
70263937.967744
Surface area
2.8503903910674E+15
Volume
6.2941822759857E+22
Height
38246843.408787