66472809 is an odd 8-digits composite number following 66472808
and preceding 66472810 . In scientific notation, it is written as 6.6472809 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 40906320 positive integers (up to 66472809) that are relatively prime to 66472809.
66472809 has 8 divisors, whose sum is 95448192
The reverse of 66472809 is 90827466
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million four hundred seventy-two thousand eight hundred nine
Scientific notation
6.6472809 × 10^7
Engineering notation
6.6472809 × 10^6
Prime Factorization
13 × 3 × 1704431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66472809
Product of the distinct prime numbers
The prime factorization of 66472809 is 13 × 3 × 1704431.
Since it has a total of 3 prime factors.
2 , 9 , 98 , 94 , 490 , 281 , 759 , 3023 , 8442 , 58190 , 370535 , 516929 , 8750311 , 4679735 , 18544186 , 18333381 , 607182641 , 586606149 , 7487171705 , 5859751046
n×2
132945618
n×3
199418427
n×4
265891236
n×5
332364045
n÷2
33236404.5
n÷3
22157603
n÷3
16618202.25
n÷5
13294561.8
n2
4418634336350481
n3
2.9371903628107E+23
n4
1.9524329398375E+31
n5
1.2978370189513E+39
2 √n
8153.0858575143
3 √n
405.08672430261
4 √n
90.294439792904
5 √n
36.688402867366
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
-66472808
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 66472809 can be divided by 8 positive divisors.
The sum of these divisors (counting 66472809) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101100100101101101001
3
Ternary
11122002011112220
4
Quaternary
3331210231221
5
Quinary
114004112214
6
Senary
10332424253
8
Octal
375445551
10
Decimal
66472809
12
Duodecimal
1a318089
16
Hexadecimal
3f64b69
20
Vigesimal
10f9209
36
Base36
13kqqx
md5
395e9f4aa26484709c4fa2de43fc5351
sha1
1d891e1ea2e72ed9d1396b5445d16d1d21a1a1b1
sha256
f1884d899d7987b249ed340f7c17b33ff9c22f1a7dd56b121ecfcb9f02ebf4e3
sha512
d545f2d1e664bee00d5ee93ff03f5c03a5e0db49c30fa015d3c1ed2674c0ff666ec8ddc76ce8b2c783b5fe8ee796013309c256e847b378971fe4c4d89b1380bb
ripemd-160
65072fe822f3339429a34581397f0dc253a55bc8
Diameter
132945618
Circumference
417660976.83575
Area
1.3881549169978E+16
Volume
1.2303274221334E+24
Surface area
5.5526196679913E+16
Circumference
417660976.83575
Perimeter
265891236
Area
4418634336350481
Diagonal
94006748.016836
Surface area
26511806018102886
Volume
2.9371903628107E+23
Space diagonal
115134282.50982
Perimeter
199418427
Area
1.9133247926569E+15
Altitude
57567141.254911
Surface area
1.9133247926569E+15
Volume
3.461512038632E+22
Height
31335582.672279