66403909 is an odd 8-digits composite number following 66403908
and preceding 66403910 . In scientific notation, it is written as 6.6403909 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 55540800 positive integers (up to 66403909) that are relatively prime to 66403909.
66403909 has 8 divisors, whose sum is 67087872
The reverse of 66403909 is 90930466
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-six million four hundred three thousand nine hundred nine
Scientific notation
6.6403909 × 10^7
Engineering notation
6.6403909 × 10^6
Prime Factorization
143 × 421 × 1103
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66403909
Product of the distinct prime numbers
The prime factorization of 66403909 is 143 × 421 × 1103.
Since it has a total of 3 prime factors.
5 , 8 , 44 , 78 , 451 , 327 , 2554 , 5402 , 46533 , 79145 , 998658 , 963240 , 8787551 , 637734 , 54457244 , 84204266 , 295444205 , 825214632 , 5863324432 , 8479698712
n×2
132807818
n×3
199211727
n×4
265615636
n×5
332019545
n÷2
33201954.5
n÷3
22134636.333333
n÷3
16600977.25
n÷5
13280781.8
n2
4409479130480281
n3
2.9280665091781E+23
n4
1.9443506202141E+31
n5
1.2911248164879E+39
2 √n
8148.8593680343
3 √n
404.94671655868
4 √n
90.27103282911
5 √n
36.680794103119
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
-66403908
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 66403909 can be divided by 8 positive divisors.
The sum of these divisors (counting 66403909) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101010011111001000101
3
Ternary
11121221200001001
4
Quaternary
3331103321011
5
Quinary
113444411114
6
Senary
10331133301
8
Octal
375237105
10
Decimal
66403909
12
Duodecimal
1a2a4231
16
Hexadecimal
3f53e45
20
Vigesimal
10f09f9
36
Base36
13j9l1
md5
3e47f21d386393ee1c4e579381226f28
sha1
25e67b64b4d26957f1aa02bdbf98b9fdc3d79bd3
sha256
8368f2c893aabc06b91ee091f9956c98981d583d890b48ad3534c87db4733f14
sha512
40ee00d76f70dfcbf4622c5176e586236ad790e559df5a0b4858821ac0f2763226af7478dcd3d28c82b28344472c04c4a77916386c4636d3dfa1a4739d733a86
ripemd-160
5f6e65c4359bcb6e0423681140e500fe59662dc4
Diameter
132807818
Circumference
417228065.36809
Area
1.3852787242474E+16
Volume
1.2265056312608E+24
Surface area
5.5411148969897E+16
Circumference
417228065.36809
Perimeter
265615636
Area
4409479130480281
Diagonal
93909308.702389
Surface area
26456874782881686
Volume
2.9280665091781E+23
Space diagonal
115014944.20918
Perimeter
199211727
Area
1.9093604722266E+15
Altitude
57507472.10459
Surface area
1.9093604722266E+15
Volume
3.4507594740084E+22
Height
31303102.900796