66561384 is an even 8-digits composite number following 66561383
and preceding 66561385 . In scientific notation, it is written as 6.6561384 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 16 positive divisors.
There are 22187120 positive integers (up to 66561384) that are relatively prime to 66561384.
66561384 has 16 divisors, whose sum is 166403520
The reverse of 66561384 is 48316566
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million five hundred sixty-one thousand three hundred eighty-four
Scientific notation
6.6561384 × 10^7
Engineering notation
6.6561384 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 2773391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
16640346
Product of the distinct prime numbers
The prime factorization of 66561384 is 2 × 2 × 2 × 3 × 2773391.
Since it has a total of 5 prime factors.
9 , 9 , 85 , 87 , 128 , 115 , 4714 , 1909 , 87732 , 13476 , 271350 , 951126 , 641540 , 9308245 , 62100435 , 14037991 , 635193508 , 114546698 , 8786355095 , 6280625094
n×2
133122768
n×3
199684152
n×4
266245536
n×5
332806920
n÷2
33280692
n÷3
22187128
n÷3
16640346
n÷5
13312276.8
n2
4430417839995456
n3
2.9489474312839E+23
n4
1.962860223695E+31
n5
1.3065069308769E+39
2 √n
8158.516041536
3 √n
405.2665704281
4 √n
90.32450410346
5 √n
36.698175117523
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 2773391 , 5546782 , 8320173 , 11093564 , 16640346 , 22187128 , 33280692 , 66561384
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
-66561383
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 66561384 can be divided by 16 positive divisors.
The sum of these divisors (counting 66561384) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101111010010101101000
3
Ternary
11122020200001110
4
Quaternary
3331322111220
5
Quinary
114014431014
6
Senary
10334350320
8
Octal
375722550
10
Decimal
66561384
12
Duodecimal
1a35b3a0
16
Hexadecimal
3f7a568
20
Vigesimal
10g0394
36
Base36
13mn3c
md5
b87df17ce844bbaa4d6f7617b50549bd
sha1
6b0efeabfe0eeb3807d01585e2db7ae05832d0cc
sha256
3832e3493540ebd30757da7caf8551cc065bed2c49dc244629f0093f550082f9
sha512
35930e33b5769c403f9b4a23b7c5ed60836fc11e067adeff0c09e1e9a152c939793da2f08ce0958633b2a63cb3c393d71b25bb845219d951a9076d1ddb0b521f
ripemd-160
6197d518ce7350d66d1c7a9f4f643ae7cde2bf79
Diameter
133122768
Circumference
418217509.97434
Area
1.3918568138463E+16
Volume
1.2352522114592E+24
Surface area
5.5674272553852E+16
Circumference
418217509.97434
Perimeter
266245536
Area
4430417839995456
Diagonal
94132011.983124
Surface area
26582507039972736
Volume
2.9489474312839E+23
Space diagonal
115287698.9101
Perimeter
199684152
Area
1.9184271994079E+15
Altitude
57643849.455051
Surface area
1.9184271994079E+15
Volume
3.4753678767058E+22
Height
31377337.327708