66366921 is an odd 8-digits composite number following 66366920
and preceding 66366922 . In scientific notation, it is written as 6.6366921 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 44222112 positive integers (up to 66366921) that are relatively prime to 66366921.
66366921 has 8 divisors, whose sum is 88534240
The reverse of 66366921 is 12966366
Previous prime number is 8713
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million three hundred sixty-six thousand nine hundred twenty-one
Scientific notation
6.6366921 × 10^7
Engineering notation
6.6366921 × 10^6
Prime Factorization
3 × 8713 × 2539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66366921
Product of the distinct prime numbers
The prime factorization of 66366921 is 3 × 8713 × 2539.
Since it has a total of 3 prime factors.
10 , 2 , 52 , 75 , 194 , 809 , 9265 , 4421 , 61358 , 87388 , 398902 , 359789 , 633554 , 4141185 , 13951392 , 14276772 , 645564412 , 821848020 , 6893085846 , 5996687804
n×2
132733842
n×3
199100763
n×4
265467684
n×5
331834605
n÷2
33183460.5
n÷3
22122307
n÷3
16591730.25
n÷5
13273384.2
n2
4404568203020241
n3
2.9231762996896E+23
n4
1.9400221055057E+31
n5
1.2875329381435E+39
2 √n
8146.5895318225
3 √n
404.87151540832
4 √n
90.258459613615
5 √n
36.676706838902
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66366920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66366921 can be divided by 8 positive divisors.
The sum of these divisors (counting 66366921) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101001010110111001001
3
Ternary
11121212210022010
4
Quaternary
3331022313021
5
Quinary
113442220141
6
Senary
10330250133
8
Octal
375126711
10
Decimal
66366921
12
Duodecimal
1a286949
16
Hexadecimal
3f4adc9
20
Vigesimal
10efh61
36
Base36
13ih1l
md5
90a8910282e2e24784363490644f93da
sha1
0e8804e790a2b266174ce64203bfa1a624f43d5e
sha256
1f0806a82eb19995f135d7b3656952670882f77c6e981bb3dadf686b26e7fd95
sha512
89dd3c3a0a79da7baa105a335a45dca80784a3b6d76624149de0b80b9c37897bfaae595c18d226d4ec3bf3063ee0ee00fa72f4fcafd37dee8b25734a5d7e31d0
ripemd-160
bf0245233c9f0ea7726005656dfca2ce87fb6854
Diameter
132733842
Circumference
416995662.90995
Area
1.3837359108844E+16
Volume
1.2244572251003E+24
Surface area
5.5349436435374E+16
Circumference
416995662.90995
Perimeter
265467684
Area
4404568203020241
Diagonal
93856999.771144
Surface area
26427409218121446
Volume
2.9231762996896E+23
Space diagonal
114950879.11391
Perimeter
199100763
Area
1.9072339782584E+15
Altitude
57475439.556955
Surface area
1.9072339782584E+15
Volume
3.4449963068571E+22
Height
31285666.590381