66561293 is an odd 8-digits composite number following 66561292
and preceding 66561294 . In scientific notation, it is written as 6.6561293 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 63358960 positive integers (up to 66561293) that are relatively prime to 66561293.
66561293 has 8 divisors, whose sum is 69828480
The reverse of 66561293 is 39216566
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
sixty-six million five hundred sixty-one thousand two hundred ninety-three
Scientific notation
6.6561293 × 10^7
Engineering notation
6.6561293 × 10^6
Prime Factorization
29 × 71 × 32327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66561293
Product of the distinct prime numbers
The prime factorization of 66561293 is 29 × 71 × 32327.
Since it has a total of 3 prime factors.
2 , 1 , 68 , 83 , 580 , 452 , 8804 , 6152 , 477 , 94751 , 127711 , 832205 , 9289656 , 4388481 , 77337805 , 59862851 , 214146052 , 464722972 , 8686253934 , 5918131124
n×2
133122586
n×3
199683879
n×4
266245172
n×5
332806465
n÷2
33280646.5
n÷3
22187097.666667
n÷3
16640323.25
n÷5
13312258.6
n2
4430405725831849
n3
2.9489353362597E+23
n4
1.9628494895484E+31
n5
1.3064979998873E+39
2 √n
8158.5104645395
3 √n
405.26638574006
4 √n
90.324473231453
5 √n
36.698165083069
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
-66561292
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 66561293 can be divided by 8 positive divisors.
The sum of these divisors (counting 66561293) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101111010010100001101
3
Ternary
11122020122221002
4
Quaternary
3331322110031
5
Quinary
114014430133
6
Senary
10334350045
8
Octal
375722415
10
Decimal
66561293
12
Duodecimal
1a35b325
16
Hexadecimal
3f7a50d
20
Vigesimal
10g034d
36
Base36
13mn0t
md5
16b0ce26fdc82252d5636b6e2c953d48
sha1
328d14de89050c5f4bf962919ffd51998ad40188
sha256
dd25e459fad2b1a399d0072453eae319ada8f28bd01660c5960f29e60cd8414f
sha512
4178a4d88b4125293946eff532f0d14de01c20bbf033c1f8b315c47b34832c106f76c963dfa09568d69cd82a64d2efbf22a5acd9cd5f6120e8fa1f2713f03293
ripemd-160
f2eaef8b1bbf505c7903d42fefd42ad8f26fc242
Diameter
133122586
Circumference
418216938.20448
Area
1.3918530080695E+16
Volume
1.2352471451073E+24
Surface area
5.5674120322782E+16
Circumference
418216938.20448
Perimeter
266245172
Area
4430405725831849
Diagonal
94131883.289689
Surface area
26582434354991094
Volume
2.9489353362597E+23
Space diagonal
115287541.29348
Perimeter
199683879
Area
1.9184219538212E+15
Altitude
57643770.646739
Surface area
1.9184219538212E+15
Volume
3.4753536225831E+22
Height
31377294.429896