808216945 is an odd 9-digits composite number following 808216944
and preceding 808216946 . In scientific notation, it is written as 8.08216945 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 632810880 positive integers (up to 808216945) that are relatively prime to 808216945.
808216945 has 16 divisors, whose sum is 990709632
The reverse of 808216945 is 549612808
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
eight hundred eight million two hundred sixteen thousand nine hundred forty-five
Scientific notation
8.08216945 × 10^8
Engineering notation
8.08216945 × 10^6
Prime Factorization
5 × 73 × 131 × 16903
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
808216945
Product of the distinct prime numbers
The prime factorization of 808216945 is 5 × 73 × 131 × 16903.
Since it has a total of 4 prime factors.
4 , 6 , 70 , 79 , 361 , 281 , 4579 , 6669 , 49868 , 43259 , 513268 , 741637 , 2881368 , 9232739 , 39523927 , 59701453 , 424641833 , 759378284 , 4745049069 , 8648045293
n×2
1616433890
n×3
2424650835
n×4
3232867780
n×5
4041084725
n÷2
404108472.5
n÷3
269405648.33333
n÷3
202054236.25
n÷5
161643389
n2
653214630185133025
n3
5.2793913283753E+26
n4
4.266893530879E+35
n5
3.4485756541673E+44
2 √n
28429.156600223
3 √n
931.48525341879
4 √n
168.60947956809
5 √n
60.465213448449
1 , 5 , 73 , 131 , 365 , 655 , 9563 , 16903 , 47815 , 84515 , 1233919 , 2214293 , 6169595 , 11071465 , 161643389 , 808216945
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
-808216944
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 808216945 can be divided by 16 positive divisors.
The sum of these divisors (counting 808216945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000001011000110100101110001
3
Ternary
2002022210200012221
4
Quaternary
300023012211301
5
Quinary
3123400420240
6
Senary
212110521041
8
Octal
6013064561
10
Decimal
808216945
12
Duodecimal
1a6806181
16
Hexadecimal
302c6971
20
Vigesimal
ccb7275
36
Base36
dd6w6p
md5
d065fcaf0416de83624d736af1526d89
sha1
4459102a9c76e9bc6f2a95a33563ca72f88385be
sha256
a26df754a32e76e6bc044b1fcb818251ac5c78bcf6dde9b25d3ccfb72680a70a
sha512
3e509a245ad41646565c0d7bfc0bf78ee5299cbe15763d5c3a42e6e02d2b8a545e812bacd075a3a9b11d90b4dcf1bbd16418a519ca23e850c2fc020fc7249cc0
ripemd-160
cb72ba18afb2824362a2f602480e5347fdfa2b56
Diameter
1616433890
Circumference
5078176833.8376
Area
2.052134283407E+18
Volume
2.2114262683533E+27
Surface area
8.208537133628E+18
Circumference
5078176833.8376
Perimeter
3232867780
Area
653214630185133025
Diagonal
1142991364.9588
Surface area
3919287781110798150
Volume
5.2793913283753E+26
Space diagonal
1399872812.2781
Perimeter
2424650835
Area
2.8285023193199E+17
Altitude
699936406.13905
Surface area
2.8285023193199E+17
Volume
6.2218223480528E+25
Height
380997121.65292