66469887 is an odd 8-digits composite number following 66469886
and preceding 66469888 . In scientific notation, it is written as 6.6469887 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 40041600 positive integers (up to 66469887) that are relatively prime to 66469887.
66469887 has 16 divisors, whose sum is 81056160
The reverse of 66469887 is 78896466
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million four hundred sixty-nine thousand eight hundred eighty-seven
Scientific notation
6.6469887 × 10^7
Engineering notation
6.6469887 × 10^6
Prime Factorization
9 × 11 × 173 × 3881
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66469887
Product of the distinct prime numbers
The prime factorization of 66469887 is 9 × 11 × 173 × 3881.
Since it has a total of 4 prime factors.
2 , 1 , 97 , 42 , 364 , 110 , 7874 , 1379 , 52114 , 92666 , 621642 , 16141 , 5919114 , 2234703 , 44430454 , 93943313 , 364015106 , 68251521 , 8639859681 , 6532955468
n×2
132939774
n×3
199409661
n×4
265879548
n×5
332349435
n÷2
33234943.5
n÷3
22156629
n÷3
16617471.75
n÷5
13293977.4
n2
4418245877792769
n3
2.936803042351E+23
n4
1.9520896636633E+31
n5
1.2975517935757E+39
2 √n
8152.9066595908
3 √n
405.08078863874
4 √n
90.293447489786
5 √n
36.688080313228
1 , 9 , 11 , 99 , 173 , 1557 , 1903 , 3881 , 17127 , 34929 , 42691 , 384219 , 671413 , 6042717 , 7385543 , 66469887
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
-66469886
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 66469887 can be divided by 16 positive divisors.
The sum of these divisors (counting 66469887) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101100011111111111111
3
Ternary
11122002000112200
4
Quaternary
3331203333333
5
Quinary
114004014022
6
Senary
10332402543
8
Octal
375437777
10
Decimal
66469887
12
Duodecimal
1a316453
16
Hexadecimal
3f63fff
20
Vigesimal
10f8ee7
36
Base36
13kohr
md5
f36043535f61247435ea2fa0314f8549
sha1
ac7ccbd3436ea8f66555a26a32ca82bd16b156a5
sha256
e018ba752b4342a49dc230d5b35c7a3972dd19fe266e9f1e7d8be611299ce204
sha512
c43c893cbd0f02b81528e7cdffa127f9068c29a5d6e2ddd60186a2739a6437d712492d397d628e3a35a42a49c6b1d3d9a63f77c2e0772c3eccd49342a6595834
ripemd-160
b3d36e57ed765850773e11fa84d49dc0b9a8520a
Diameter
132939774
Circumference
417642617.36829
Area
1.3880328791427E+16
Volume
1.2301651817187E+24
Surface area
5.5521315165709E+16
Circumference
417642617.36829
Perimeter
265879548
Area
4418245877792769
Diagonal
94002615.684807
Surface area
26509475266756614
Volume
2.936803042351E+23
Space diagonal
115129221.45736
Perimeter
199409661
Area
1.9131565851672E+15
Altitude
57564610.728681
Surface area
1.9131565851672E+15
Volume
3.4610555770928E+22
Height
31334205.228269