66223721 is an odd 8-digits composite number following 66223720
and preceding 66223722 . In scientific notation, it is written as 6.6223721 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 58786560 positive integers (up to 66223721) that are relatively prime to 66223721.
66223721 has 16 divisors, whose sum is 74136960
The reverse of 66223721 is 12732266
Previous prime number is 421
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
sixty-six million two hundred twenty-three thousand seven hundred twenty-one
Scientific notation
6.6223721 × 10^7
Engineering notation
6.6223721 × 10^6
Prime Factorization
17 × 19 × 421 × 487
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66223721
Product of the distinct prime numbers
The prime factorization of 66223721 is 17 × 19 × 421 × 487.
Since it has a total of 4 prime factors.
3 , 5 , 45 , 62 , 484 , 966 , 6962 , 2900 , 24517 , 7515 , 533061 , 25307 , 8998983 , 3489778 , 25052404 , 86297321 , 878533465 , 709589539 , 7253593510 , 6619312827
n×2
132447442
n×3
198671163
n×4
264894884
n×5
331118605
n÷2
33111860.5
n÷3
22074573.666667
n÷3
16555930.25
n÷5
13244744.2
n2
4385581223085841
n3
2.9042950734048E+23
n4
1.9233322664283E+31
n5
1.2737021940225E+39
2 √n
8137.7958317962
3 √n
404.58010843608
4 √n
90.209732467158
5 √n
36.660865684282
1 , 17 , 19 , 323 , 421 , 487 , 7157 , 7999 , 8279 , 9253 , 135983 , 157301 , 205027 , 3485459 , 3895513 , 66223721
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
-66223720
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 66223721 can be divided by 16 positive divisors.
The sum of these divisors (counting 66223721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111100100111111001101001
3
Ternary
11121121111212102
4
Quaternary
3330213321221
5
Quinary
113423124341
6
Senary
10323223145
8
Octal
374477151
10
Decimal
66223721
12
Duodecimal
1a217ab5
16
Hexadecimal
3f27e69
20
Vigesimal
10dhj61
36
Base36
13fejt
md5
62d83fcfbc9d8dc62339029ea9099cec
sha1
e2a24f2ba19a1933514fae104e77305a73fc6063
sha256
8506b93350fef1d855136d384902786c82b7b8368b73f1c83d01ee3c41fe12d0
sha512
b847f39e2cff1b3355b96ac2b5ec406b257b096b49933274a32b9398d5590a69939f579e0bfbe7093a55b0089fe9dec8533891afb7496a34bc8da86465f490b0
ripemd-160
9034e420bd1334482a17e2f615a86b0b0b308b0a
Diameter
132447442
Circumference
416095910.77396
Area
1.3777709752168E+16
Volume
1.2165482755287E+24
Surface area
5.5110839008671E+16
Circumference
416095910.77396
Perimeter
264894884
Area
4385581223085841
Diagonal
93654484.389012
Surface area
26313487338515046
Volume
2.9042950734048E+23
Space diagonal
114702849.43827
Perimeter
198671163
Area
1.8990123747762E+15
Altitude
57351424.719133
Surface area
1.8990123747762E+15
Volume
3.4227445682853E+22
Height
31218161.463004