81703913 is an odd 8-digits composite number following 81703912
and preceding 81703914 . In scientific notation, it is written as 8.1703913 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 79307424 positive integers (up to 81703913) that are relatively prime to 81703913.
81703913 has 8 divisors, whose sum is 84124128
The reverse of 81703913 is 31930718
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million seven hundred three thousand nine hundred thirteen
Scientific notation
8.1703913 × 10^7
Engineering notation
8.1703913 × 10^6
Prime Factorization
43 × 163 × 11657
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81703913
Product of the distinct prime numbers
The prime factorization of 81703913 is 43 × 163 × 11657.
Since it has a total of 3 prime factors.
9 , 10 , 51 , 12 , 769 , 580 , 9139 , 7909 , 43459 , 94513 , 536391 , 835314 , 6557665 , 2539032 , 48782359 , 69785142 , 637009825 , 808724279 , 8680849585 , 8850314895
n×2
163407826
n×3
245111739
n×4
326815652
n×5
408519565
n÷2
40851956.5
n÷3
27234637.666667
n÷3
20425978.25
n÷5
16340782.6
n2
6675529399511569
n3
5.4541687328664E+23
n4
4.4562692763743E+31
n5
3.6409463726146E+39
2 √n
9039.0216837886
3 √n
433.92461367665
4 √n
95.073769693794
5 √n
38.233897478618
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81703912
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81703913 can be divided by 8 positive divisors.
The sum of these divisors (counting 81703913) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110111101011001111101001
3
Ternary
12200201222200212
4
Quaternary
10313223033221
5
Quinary
131404011123
6
Senary
12035110505
8
Octal
467531751
10
Decimal
81703913
12
Duodecimal
23442435
16
Hexadecimal
4deb3e9
20
Vigesimal
15acjfd
36
Base36
1cn755
md5
9b37a030cb3b5f33b516b9b1dddb452d
sha1
5b947781387c01ef24c3d8098184249ba0cae18a
sha256
a501c6ccea6a94a3745181ee21df65b9743f67a452e430f1803b0ae159ee944f
sha512
73b691de1ace3bab4fbfe4f6a78c2ae274b1a7715fad5dfc78f5394d53a14dd92efd2756243ae2bb76f9a59af28f273beda18311db38d1f6422543eff892548f
ripemd-160
e3f3270eb3e15c7abe6b9d63a03dc3d7308cfac4
Diameter
163407826
Circumference
513360825.70068
Area
2.0971794120328E+16
Volume
2.2846368563483E+24
Surface area
8.3887176481313E+16
Circumference
513360825.70068
Perimeter
326815652
Area
6675529399511569
Diagonal
115546781.86355
Surface area
40053176397069414
Volume
5.4541687328664E+23
Space diagonal
141515328.49319
Perimeter
245111739
Area
2.8905890218434E+15
Altitude
70757664.246594
Surface area
2.8905890218434E+15
Volume
6.4277994945757E+22
Height
38515593.954517