66491738 is an even 8-digits composite number following 66491737
and preceding 66491739 . In scientific notation, it is written as 6.6491738 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 31862160 positive integers (up to 66491738) that are relatively prime to 66491738.
66491738 has 16 divisors, whose sum is 103969824
The reverse of 66491738 is 83719466
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-six million four hundred ninety-one thousand seven hundred thirty-eight
Scientific notation
6.6491738 × 10^7
Engineering notation
6.6491738 × 10^6
Prime Factorization
2 × 37 × 67 × 13411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66491738
Product of the distinct prime numbers
The prime factorization of 66491738 is 2 × 37 × 67 × 13411.
Since it has a total of 4 prime factors.
7 , 2 , 10 , 77 , 928 , 387 , 5939 , 9448 , 2885 , 73033 , 254329 , 341277 , 1554623 , 6489845 , 10293926 , 40617995 , 309404127 , 266023472 , 7736629619 , 5029567457
n×2
132983476
n×3
199475214
n×4
265966952
n×5
332458690
n÷2
33245869
n÷3
22163912.666667
n÷3
16622934.5
n÷5
13298347.6
n2
4421151222260644
n3
2.9397002872893E+23
n4
1.9546578130097E+31
n5
1.2996859518229E+39
2 √n
8154.2466236925
3 √n
405.1251718974
4 √n
90.300867236658
5 √n
36.69049212972
1 , 2 , 37 , 67 , 74 , 134 , 2479 , 4958 , 13411 , 26822 , 496207 , 898537 , 992414 , 1797074 , 33245869 , 66491738
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
-66491737
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 66491738 can be divided by 16 positive divisors.
The sum of these divisors (counting 66491738) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101101001010101011010
3
Ternary
11122010010111222
4
Quaternary
3331221111122
5
Quinary
114010213423
6
Senary
10333052042
8
Octal
375512532
10
Decimal
66491738
12
Duodecimal
1a327022
16
Hexadecimal
3f6955a
20
Vigesimal
10fb96i
36
Base36
13l5cq
md5
011853a4d142f9779a59e19339fa2723
sha1
cf212f06da6e612708bb824964a524e997dfd08e
sha256
f90eddf952ef4e7591a8db532d6233b34a1cba056b2195ef622f8fc10123321b
sha512
7741befb5ef754662066fd2736552aed25333b70f408b35ce48389dcc1d6fd9835bf417e64a4359ff57bb9fb07abf5b069a336d6df921612b20c3baa5145cc3c
ripemd-160
ae1b19962a4c62d2b3bab1626fc2837888c2c319
Diameter
132983476
Circumference
417779911.25043
Area
1.3889456200264E+16
Volume
1.2313787768405E+24
Surface area
5.5557824801054E+16
Circumference
417779911.25043
Perimeter
265966952
Area
4421151222260644
Diagonal
94033517.665358
Surface area
26526907333563864
Volume
2.9397002872893E+23
Space diagonal
115167068.49956
Perimeter
199475214
Area
1.9144146362252E+15
Altitude
57583534.249779
Surface area
1.9144146362252E+15
Volume
3.4644700129972E+22
Height
31344505.888453