30806687 is an odd 8-digits composite number following 30806686
and preceding 30806688 . In scientific notation, it is written as 3.0806687 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 30241120 positive integers (up to 30806687) that are relatively prime to 30806687.
30806687 has 8 divisors, whose sum is 31376160
The reverse of 30806687 is 78660803
Previous prime number is 269
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
thirty million eight hundred six thousand six hundred eighty-seven
Scientific notation
3.0806687 × 10^7
Engineering notation
3.0806687 × 10^6
Prime Factorization
71 × 269 × 1613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
30806687
Product of the distinct prime numbers
The prime factorization of 30806687 is 71 × 269 × 1613.
Since it has a total of 3 prime factors.
9 , 2 , 30 , 92 , 720 , 900 , 2205 , 4455 , 63829 , 10858 , 8807 , 101912 , 7195394 , 1299549 , 87200611 , 48113577 , 967955834 , 729670616 , 8916504427 , 1912291934
n×2
61613374
n×3
92420061
n×4
123226748
n×5
154033435
n÷2
15403343.5
n÷3
10268895.666667
n÷3
7701671.75
n÷5
6161337.4
n2
949051963915969
n3
2.9237146799095E+22
n4
9.0069963021276E+29
n5
2.774757158898E+37
2 √n
5550.3771943896
3 √n
313.48372502288
4 √n
74.500853648731
5 √n
31.457847244577
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
-30806686
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 30806687 can be divided by 8 positive divisors.
The sum of these divisors (counting 30806687) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110101100001001010011111
3
Ternary
2010222010211102
4
Quaternary
1311201022133
5
Quinary
30341303222
6
Senary
3020143315
8
Octal
165411237
10
Decimal
30806687
12
Duodecimal
a397b3b
16
Hexadecimal
1d6129f
20
Vigesimal
9cage7
36
Base36
icalb
md5
6031b920239e0c7560bd38cd849ddc2b
sha1
33af13839672eb72744b1f5acc91068f22a28fcf
sha256
505554b6c6d8cbb050a902a690ca6e2ae3fd3d45300e3066ec844a422a99e274
sha512
315113a5353fc8cb8453bf80964d89ee5a1d2e72c5ca85aa108bd5d54b79352637ada41ff837b2df27bc9ca6c9fed80c5f90831e5d63c2e32714ba77e623ab50
ripemd-160
9df5d8f38ca2b6dd14b9aa2c4b97b117e8fdd058
Diameter
61613374
Circumference
193564123.12128
Area
2.9815346777134E+15
Volume
1.2246827412795E+23
Surface area
1.1926138710853E+16
Circumference
193564123.12128
Perimeter
123226748
Area
949051963915969
Diagonal
43567234.567183
Surface area
5694311783495814
Volume
2.9237146799095E+22
Space diagonal
53358747.096872
Perimeter
92420061
Area
4.1095155513137E+14
Altitude
26679373.548436
Surface area
4.1095155513137E+14
Volume
3.4456307940311E+21
Height
14522411.522394