81107007 is an odd 8-digits composite number following 81107006
and preceding 81107008 . In scientific notation, it is written as 8.1107007 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 52581312 positive integers (up to 81107007) that are relatively prime to 81107007.
81107007 has 16 divisors, whose sum is 111152640
The reverse of 81107007 is 70070118
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one hundred seven thousand seven
Scientific notation
8.1107007 × 10^7
Engineering notation
8.1107007 × 10^6
Prime Factorization
3 × 47 × 163 × 3529
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81107007
Product of the distinct prime numbers
The prime factorization of 81107007 is 3 × 47 × 163 × 3529.
Since it has a total of 4 prime factors.
9 , 7 , 24 , 22 , 863 , 682 , 4379 , 7923 , 72836 , 18163 , 594808 , 555819 , 9634541 , 131385 , 50206356 , 11868649 , 80801230 , 760270282 , 242419161 , 3427432026
n×2
162214014
n×3
243321021
n×4
324428028
n×5
405535035
n÷2
40553503.5
n÷3
27035669
n÷3
20276751.75
n÷5
16221401.4
n2
6578346584498049
n3
5.3355000247731E+23
n4
4.3274643785777E+31
n5
3.5098768364555E+39
2 √n
9005.9428712379
3 √n
432.86531910308
4 √n
94.89964631777
5 √n
38.177868266784
1 , 3 , 47 , 141 , 163 , 489 , 3529 , 7661 , 10587 , 22983 , 165863 , 497589 , 575227 , 1725681 , 27035669 , 81107007
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
-81107006
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 81107007 can be divided by 16 positive divisors.
The sum of these divisors (counting 81107007) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101011001100000111111
3
Ternary
12122121122220020
4
Quaternary
10311121200333
5
Quinary
131230411012
6
Senary
12014223223
8
Octal
465314077
10
Decimal
81107007
12
Duodecimal
231b4b13
16
Hexadecimal
4d5983f
20
Vigesimal
156i7a7
36
Base36
1caekf
md5
3c951afa7086f8dc60e4be7759c2b1ef
sha1
f73ab8b8f0c133fb95da9d23e1f732f53029120c
sha256
2dfa4545df10aadf488e1d84550603b93a9e469e0843d8d0e463673d13abfee0
sha512
a1eb52d1dffdd6cfdb35148bb37238fda1c9d7cde61ef5433a23ecb258cd1ff914481312c3bce4586e70a16763e1ae32cdf3dd74e7faeebab9b43a03048d6987
ripemd-160
8e87224772093906c63cf70b19768b49fc30ffe0
Diameter
162214014
Circumference
509610354.69171
Area
2.0666485302627E+16
Volume
2.2349290241407E+24
Surface area
8.2665941210506E+16
Circumference
509610354.69171
Perimeter
324428028
Area
6578346584498049
Diagonal
114702629.30289
Surface area
39470079506988294
Volume
5.3355000247731E+23
Space diagonal
140481456.97384
Perimeter
243321021
Area
2.848507628537E+15
Altitude
70240728.486922
Surface area
2.848507628537E+15
Volume
6.2879470808967E+22
Height
38234209.76763