81303670 is an even 8-digits composite number following 81303669
and preceding 81303671 . In scientific notation, it is written as 8.1303670 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 27875520 positive integers (up to 81303670) that are relatively prime to 81303670.
81303670 has 16 divisors, whose sum is 167253408
The reverse of 81303670 is 07630318
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
eighty-one million three hundred three thousand six hundred seventy
Scientific notation
8.1303670 × 10^7
Engineering notation
8.1303670 × 10^6
Prime Factorization
2 × 5 × 7 × 1161481
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81303670
Product of the distinct prime numbers
The prime factorization of 81303670 is 2 × 5 × 7 × 1161481.
Since it has a total of 4 prime factors.
6 , 9 , 65 , 86 , 697 , 845 , 4836 , 4433 , 95449 , 41517 , 284018 , 350997 , 6087697 , 9764612 , 56762819 , 62853088 , 441414559 , 687623324 , 1759766844 , 136384021
n×2
162607340
n×3
243911010
n×4
325214680
n×5
406518350
n÷2
40651835
n÷3
27101223.333333
n÷3
20325917.5
n÷5
16260734
n2
6610286755468900
n3
5.3744057297201E+23
n4
4.3695890989528E+31
n5
3.5526363013685E+39
2 √n
9016.8547731457
3 √n
433.21489794209
4 √n
94.957120707958
5 √n
38.196364578823
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 1161481 , 2322962 , 5807405 , 8130367 , 11614810 , 16260734 , 40651835 , 81303670
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
-81303669
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 81303670 can be divided by 16 positive divisors.
The sum of these divisors (counting 81303670) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110110001001100001110110
3
Ternary
12122222122200001
4
Quaternary
10312021201312
5
Quinary
131303204140
6
Senary
12022341514
8
Octal
466114166
10
Decimal
81303670
12
Duodecimal
2328a89a
16
Hexadecimal
4d89876
20
Vigesimal
1582j3a
36
Base36
1cemba
md5
2089f222c125d6a75b3ebaa82a1d694f
sha1
072d62b4976e4e5d4f4dc018af44e1e59a63b930
sha256
3c03f28fcbd7143c25e071dba7addfd53e1436f5ab8c6a2a4e3c8414c4257c05
sha512
e8132c2a0f0c9ea9f625694f311dba41647f262df519b9131b0f0e35e6f2acbb087733a7adbb8640e6242675be58eace09bcabe352a2f8b742122671a3bbb714
ripemd-160
b3e370d402f4a9f57a3da51b70bcecb87163b1b3
Diameter
162607340
Circumference
510846024.76378
Area
2.0766828309103E+16
Volume
2.25122580772E+24
Surface area
8.3067313236412E+16
Circumference
510846024.76378
Perimeter
325214680
Area
6610286755468900
Diagonal
114980752.78471
Surface area
39661720532813400
Volume
5.3744057297201E+23
Space diagonal
140822087.28181
Perimeter
243911010
Area
2.8623381282679E+15
Altitude
70411043.640907
Surface area
2.8623381282679E+15
Volume
6.3337978938882E+22
Height
38326917.594902