66406688 is an even 8-digits composite number following 66406687
and preceding 66406689 . In scientific notation, it is written as 6.6406688 × 10^7.
The sum of its digits is 44. It has a total of 6 prime factors and 12 positive divisors.
There are 33203328 positive integers (up to 66406688) that are relatively prime to 66406688.
66406688 has 12 divisors, whose sum is 130738230
The reverse of 66406688 is 88660466
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-six million four hundred six thousand six hundred eighty-eight
Scientific notation
6.6406688 × 10^7
Engineering notation
6.6406688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2075209
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4150418
Product of the distinct prime numbers
The prime factorization of 66406688 is 2 × 2 × 2 × 2 × 2 × 2075209.
Since it has a total of 6 prime factors.
10 , 10 , 37 , 73 , 833 , 166 , 3476 , 5256 , 69398 , 61375 , 318338 , 500651 , 7985239 , 194433 , 48121499 , 20350700 , 765682885 , 514591670 , 1240475489 , 5881326064
n×2
132813376
n×3
199220064
n×4
265626752
n×5
332033440
n÷2
33203344
n÷3
22135562.666667
n÷3
16601672
n÷5
13281337.6
n2
4409848211129344
n3
2.9284341428382E+23
n4
1.9446761245201E+31
n5
1.2913950066205E+39
2 √n
8149.0298809122
3 √n
404.95236547928
4 √n
90.271977273749
5 √n
36.681101115829
1 , 2 , 4 , 8 , 16 , 32 , 2075209 , 4150418 , 8300836 , 16601672 , 33203344 , 66406688
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66406687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66406688 can be divided by 12 positive divisors.
The sum of these divisors (counting 66406688) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111101010100100100100000
3
Ternary
11121221210211222
4
Quaternary
3331110210200
5
Quinary
114000003223
6
Senary
10331154212
8
Octal
375244440
10
Decimal
66406688
12
Duodecimal
1a2a5968
16
Hexadecimal
3f54920
20
Vigesimal
10f0ge8
36
Base36
13jbq8
md5
91638c08c001d686146e2f09426f7b23
sha1
64b61b0e021547ee874acf2beb5856aacc19fdd5
sha256
8a77edf7876f15cc9b711709667edbc97a27768917c1cf528afe022efdd45f31
sha512
34f38fd1fcd3958281b3e7caf18464c2218fc41b2f6bd19a9f50da41b9b814ad3a5c38265968d849b103b99efea1828a1ea7eb7c883a46f7886c8614f2a4fb5d
ripemd-160
f4ae81d2906113af472d28d6e8f0c7a84bb58f2a
Diameter
132813376
Circumference
417245526.34006
Area
1.385394674353E+16
Volume
1.2266596252883E+24
Surface area
5.541578697412E+16
Circumference
417245526.34006
Perimeter
265626752
Area
4409848211129344
Diagonal
93913238.801879
Surface area
26459089266776064
Volume
2.9284341428382E+23
Space diagonal
115019757.57837
Perimeter
199220064
Area
1.9095202888357E+15
Altitude
57509878.789187
Surface area
1.9095202888357E+15
Volume
3.4511927344319E+22
Height
31304412.93396