81109713 is an odd 8-digits composite number following 81109712
and preceding 81109714 . In scientific notation, it is written as 8.1109713 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 54073140 positive integers (up to 81109713) that are relatively prime to 81109713.
81109713 has 4 divisors, whose sum is 108146288
The reverse of 81109713 is 31790118
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
eighty-one million one hundred nine thousand seven hundred thirteen
Scientific notation
8.1109713 × 10^7
Engineering notation
8.1109713 × 10^6
Prime Factorization
3 × 27036571
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81109713
Product of the distinct prime numbers
The prime factorization of 81109713 is 3 × 27036571.
Since it has a total of 2 prime factors.
4 , 3 , 49 , 50 , 839 , 2 , 8695 , 3380 , 36679 , 46569 , 430544 , 267846 , 5660313 , 527500 , 21606640 , 56994327 , 593994552 , 23056626 , 8551990388 , 5627820923
n×2
162219426
n×3
243329139
n×4
324438852
n×5
405548565
n÷2
40554856.5
n÷3
27036571
n÷3
20277428.25
n÷5
16221942.6
n2
6578785542942369
n3
5.336034072766E+23
n4
4.3280419220028E+31
n5
3.5104623814561E+39
2 √n
9006.0931041157
3 √n
432.87013299266
4 √n
94.900437849968
5 √n
38.178123011563
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81109712
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81109713 can be divided by 4 positive divisors.
The sum of these divisors (counting 81109713) is 1, the average is 0.25.
Base
System
Value
2
Binary
100110101011010001011010001
3
Ternary
12122121210121110
4
Quaternary
10311122023101
5
Quinary
131231002323
6
Senary
12014243533
8
Octal
465321321
10
Decimal
81109713
12
Duodecimal
231b65a9
16
Hexadecimal
4d5a2d1
20
Vigesimal
156ie5d
36
Base36
1cagnl
md5
f4ede7366c4c789fc1618de89746cf3d
sha1
ac3fbf4aadad767eb26788ecd7b03664534d9503
sha256
7430fe83162fbdfd9ca6e8c4cf765d5a690b736a5d2e696801eee76df3cb9adb
sha512
ad448680ffb30740177451efb6dfad2c1daca8f01a7ef101b3eb97cea5f52d3153ab7f75de8c96e30bb63b04a2adbf605298ab77ccd7afabd22e27c516c621ca
ripemd-160
d4e66b9d1e8c4ad495c4ca9bb6bc1b388c94d667
Diameter
162219426
Circumference
509627356.99115
Area
2.066786433125E+16
Volume
2.2351527256409E+24
Surface area
8.2671457325002E+16
Circumference
509627356.99115
Perimeter
324438852
Area
6578785542942369
Diagonal
114706456.16479
Surface area
39472713257654214
Volume
5.336034072766E+23
Space diagonal
140486143.90333
Perimeter
243329139
Area
2.8486977031189E+15
Altitude
70243071.951665
Surface area
2.8486977031189E+15
Volume
6.2885764624922E+22
Height
38235485.388263