66403721 is an odd 8-digits prime number following 66403720
and preceding 66403722 . In scientific notation, it is written as 6.6403721 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 66403720 positive integers (up to 66403721) that are relatively prime to 66403721.
66403721 has 2 divisors, whose sum is 66403722
The reverse of 66403721 is 12730466
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
sixty-six million four hundred three thousand seven hundred twenty-one
Scientific notation
6.6403721 × 10^7
Engineering notation
6.6403721 × 10^6
Prime Factorization
66403721
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
66403721
Product of the distinct prime numbers
The prime factorization of 66403721 is 66403721.
Since it has a total of 1 prime factors.
2 , 7 , 58 , 50 , 293 , 550 , 4421 , 9587 , 30320 , 47070 , 519498 , 465157 , 779341 , 6333057 , 86472564 , 79143841 , 501966637 , 539826609 , 4734595799 , 9700348537
n×2
132807442
n×3
199211163
n×4
265614884
n×5
332018605
n÷2
33201860.5
n÷3
22134573.666667
n÷3
16600930.25
n÷5
13280744.2
n2
4409454162645841
n3
2.9280416397862E+23
n4
1.9443286012475E+31
n5
1.2911065396956E+39
2 √n
8148.8478326694
3 √n
404.94633440219
4 √n
90.270968936139
5 √n
36.680773333266
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
66403722
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
33201861
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8148.8478940277
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999698812
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66403721 can be divided by 2 positive divisors.
The sum of these divisors (counting 66403721) is 66403722, the average is 33201861.
Base
System
Value
2
Binary
11111101010011110110001001
3
Ternary
11121221122210002
4
Quaternary
3331103312021
5
Quinary
113444404341
6
Senary
10331132345
8
Octal
375236611
10
Decimal
66403721
12
Duodecimal
1a2a40b5
16
Hexadecimal
3f53d89
20
Vigesimal
10f0961
36
Base36
13j9ft
md5
95d88708278e471d2bc80f2ea00b7b9b
sha1
292c68ff063df91050663cd457339d0e0a9787a9
sha256
77ab890ac71cdbc8ef4ff6f1e5d3a255b0c2d47a60d33d54ad8a56b884e93b8a
sha512
6adb437fe5811bd7afdafe15f81621775794a568a96ce19dcfca9bf71add499fe8c2e82e2dfa29da2ff8ec3dd115b9b3e3f0f797b926689fb769164e2fc5dee0
ripemd-160
02eed0e32d108c2a2be470b4eae1d8e3fd93132b
Diameter
132807442
Circumference
417226884.12925
Area
1.3852708803709E+16
Volume
1.2264952139943E+24
Surface area
5.5410835214836E+16
Circumference
417226884.12925
Perimeter
265614884
Area
4409454162645841
Diagonal
93909042.830239
Surface area
26456724975875046
Volume
2.9280416397862E+23
Space diagonal
115014618.58363
Perimeter
199211163
Area
1.9093496608372E+15
Altitude
57507309.291814
Surface area
1.9093496608372E+15
Volume
3.450730165149E+22
Height
31303014.276746