66469487 is an odd 8-digits composite number following 66469486
and preceding 66469488 . In scientific notation, it is written as 6.6469487 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 53568000 positive integers (up to 66469487) that are relatively prime to 66469487.
66469487 has 16 divisors, whose sum is 78222144
The reverse of 66469487 is 78496466
Previous prime number is 961
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
sixty-six million four hundred sixty-nine thousand four hundred eighty-seven
Scientific notation
6.6469487 × 10^7
Engineering notation
6.6469487 × 10^6
Prime Factorization
7 × 241 × 961 × 41
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66469487
Product of the distinct prime numbers
The prime factorization of 66469487 is 7 × 241 × 961 × 41.
Since it has a total of 4 prime factors.
10 , 10 , 65 , 31 , 647 , 387 , 6297 , 7186 , 5816 , 51313 , 207039 , 824830 , 3502221 , 414654 , 83377483 , 97734145 , 799313283 , 575030266 , 6351228101 , 691351649
n×2
132938974
n×3
199408461
n×4
265877948
n×5
332347435
n÷2
33234743.5
n÷3
22156495.666667
n÷3
16617371.75
n÷5
13293897.4
n2
4418192702043169
n3
2.9367500237195E+23
n4
1.9520426752388E+31
n5
1.2975127522523E+39
2 √n
8152.8821284255
3 √n
405.0799760771
4 √n
90.293311648347
5 √n
36.68803615709
1 , 7 , 41 , 241 , 287 , 961 , 1687 , 6727 , 9881 , 39401 , 69167 , 231601 , 275807 , 1621207 , 9495641 , 66469487
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
-66469486
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 66469487 can be divided by 16 positive divisors.
The sum of these divisors (counting 66469487) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101100011111001101111
3
Ternary
11122001222222212
4
Quaternary
3331203321233
5
Quinary
114004010422
6
Senary
10332401035
8
Octal
375437157
10
Decimal
66469487
12
Duodecimal
1a31617b
16
Hexadecimal
3f63e6f
20
Vigesimal
10f8de7
36
Base36
13ko6n
md5
d2b73ea61aa5cf9576342e6bca7e8d12
sha1
4d36236935ac0324a89507df89374a7337d699d6
sha256
fe44b214a449b8a233be1afe7ac82e1646ae504e405381c01c97d1d69d5ec4d3
sha512
23cf1fdcb8cfe3ca9629e6112748c2e9caefe69d7c3ec55c3952e7b415dfcd077d968ea2505b5ce1651150cb608cf07dee7e7ab23ddb8ad520fd5e75b4f15b80
ripemd-160
034e36c1012801492f6a4399c222684b5e2dd4fc
Diameter
132938974
Circumference
417640104.09416
Area
1.3880161734883E+16
Volume
1.2301429733263E+24
Surface area
5.5520646939531E+16
Circumference
417640104.09416
Perimeter
265877948
Area
4418192702043169
Diagonal
94002049.999382
Surface area
26509156212259014
Volume
2.9367500237195E+23
Space diagonal
115128528.63704
Perimeter
199408461
Area
1.9131335593922E+15
Altitude
57564264.318519
Surface area
1.9131335593922E+15
Volume
3.4609930940364E+22
Height
31334016.666461