66469749 is an odd 8-digits composite number following 66469748
and preceding 66469750 . In scientific notation, it is written as 6.6469749 × 10^7.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 44313164 positive integers (up to 66469749) that are relatively prime to 66469749.
66469749 has 4 divisors, whose sum is 88626336
The reverse of 66469749 is 94796466
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-six million four hundred sixty-nine thousand seven hundred forty-nine
Scientific notation
6.6469749 × 10^7
Engineering notation
6.6469749 × 10^6
Prime Factorization
3 × 22156583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66469749
Product of the distinct prime numbers
The prime factorization of 66469749 is 3 × 22156583.
Since it has a total of 2 prime factors.
2 , 5 , 70 , 21 , 213 , 210 , 2089 , 8790 , 49967 , 11637 , 210531 , 470599 , 3656583 , 905510 , 4086090 , 84631724 , 417616852 , 756888095 , 5518565088 , 3046406356
n×2
132939498
n×3
199409247
n×4
265878996
n×5
332348745
n÷2
33234874.5
n÷3
22156583
n÷3
16617437.25
n÷5
13293949.8
n2
4418227532123001
n3
2.9367847508511E+23
n4
1.952073452561E+31
n5
1.2975383242129E+39
2 √n
8152.8981963471
3 √n
405.08050830534
4 √n
90.293400624559
5 √n
36.688065079384
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66469748
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66469749 can be divided by 4 positive divisors.
The sum of these divisors (counting 66469749) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101100011111101110101
3
Ternary
11122002000100120
4
Quaternary
3331203331311
5
Quinary
114004012444
6
Senary
10332402153
8
Octal
375437565
10
Decimal
66469749
12
Duodecimal
1a316359
16
Hexadecimal
3f63f75
20
Vigesimal
10f8e79
36
Base36
13kodx
md5
7e9c90ef2d59d99c0bd73c81e0730ca8
sha1
a3d12f9d7062a519b057e4bd1b29c4e01dc86bec
sha256
a50fca6ced2089009b75903da76f5063c851f4ddf00eecbb25c220aef9f82552
sha512
93748ff1094e126468014815acdd53785da8cbfdd7cceabb10232997fbbcd1d2f95f65d77a60db047d04ccb17e783c56e425f8ab6062cda287965809a91e15c7
ripemd-160
d93b099ad6dbec2596e2710adb259fc9a9ef69d6
Diameter
132939498
Circumference
417641750.28872
Area
1.3880271156806E+16
Volume
1.2301575197931E+24
Surface area
5.5521084627223E+16
Circumference
417641750.28872
Perimeter
265878996
Area
4418227532123001
Diagonal
94002420.523335
Surface area
26509365192738006
Volume
2.9367847508511E+23
Space diagonal
115128982.43435
Perimeter
199409247
Area
1.9131486412592E+15
Altitude
57564491.217175
Surface area
1.9131486412592E+15
Volume
3.4610340203534E+22
Height
31334140.174445