66491837 is an odd 8-digits prime number following 66491836
and preceding 66491838 . In scientific notation, it is written as 6.6491837 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 66491836 positive integers (up to 66491837) that are relatively prime to 66491837.
66491837 has 2 divisors, whose sum is 66491838
The reverse of 66491837 is 73819466
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
sixty-six million four hundred ninety-one thousand eight hundred thirty-seven
Scientific notation
6.6491837 × 10^7
Engineering notation
6.6491837 × 10^6
Prime Factorization
66491837
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66491837
Product of the distinct prime numbers
The prime factorization of 66491837 is 66491837.
Since it has a total of 1 prime factors.
4 , 6 , 76 , 65 , 699 , 248 , 9160 , 5748 , 16623 , 85100 , 465255 , 702891 , 4441879 , 3042270 , 53781621 , 36683022 , 913532291 , 85039349 , 4119204181 , 5179061198
n×2
132983674
n×3
199475511
n×4
265967348
n×5
332459185
n÷2
33245918.5
n÷3
22163945.666667
n÷3
16622959.25
n÷5
13298367.4
n2
4421164387634569
n3
2.939713418128E+23
n4
1.9546694542488E+31
n5
1.2996956274079E+39
2 √n
8154.2526941468
3 √n
405.12537296184
4 √n
90.300900849032
5 √n
36.690503055458
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66491838
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33245919
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8154.2527554645
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999699211
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66491837 can be divided by 2 positive divisors.
The sum of these divisors (counting 66491837) is 66491838, the average is 33245919.
Base
System
Value
2
Binary
11111101101001010110111101
3
Ternary
11122010010122122
4
Quaternary
3331221112331
5
Quinary
114010214322
6
Senary
10333052325
8
Octal
375512675
10
Decimal
66491837
12
Duodecimal
1a3270a5
16
Hexadecimal
3f695bd
20
Vigesimal
10fb9bh
36
Base36
13l5fh
md5
6bd09b1a853220d3c7cbf02b79f6da45
sha1
d501a4c03ba1db2f8956543548815912ecacffe5
sha256
69066ffae4f0a0f94b9e217faf57bd6dd3f3ce5515c7ca3d47c14422982fd299
sha512
c51ddcd6fd5c78f2dd382f6fb228ac02b8632701a5b5ae07897658b86306ec37164ae92e2424b07c788cccac449ce85ec348a5e7e62e91bbc9b5db1f1845b749
ripemd-160
960afc6ee67dc3a0098a4576d397aa8f775b3486
Diameter
132983674
Circumference
417780533.28578
Area
1.3889497560506E+16
Volume
1.2313842770734E+24
Surface area
5.5557990242022E+16
Circumference
417780533.28578
Perimeter
265967348
Area
4421164387634569
Diagonal
94033657.672501
Surface area
26526986325807414
Volume
2.939713418128E+23
Space diagonal
115167239.97259
Perimeter
199475511
Area
1.9144203369993E+15
Altitude
57583619.986294
Surface area
1.9144203369993E+15
Volume
3.464485487839E+22
Height
31344552.5575