66849345 is an odd 8-digits composite number following 66849344
and preceding 66849346 . In scientific notation, it is written as 6.6849345 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 35652960 positive integers (up to 66849345) that are relatively prime to 66849345.
66849345 has 4 divisors, whose sum is 68334932
The reverse of 66849345 is 54394866
Previous prime number is 45
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million eight hundred forty-nine thousand three hundred forty-five
Scientific notation
6.6849345 × 10^7
Engineering notation
6.6849345 × 10^6
Prime Factorization
45 × 1485541
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66849345
Product of the distinct prime numbers
The prime factorization of 66849345 is 45 × 1485541.
Since it has a total of 2 prime factors.
5 , 5 , 60 , 96 , 91 , 72 , 193 , 7776 , 8268 , 9617 , 305050 , 643475 , 3425366 , 3673850 , 66492389 , 78213264 , 526853073 , 339264866 , 8885751056 , 4887531684
n×2
133698690
n×3
200548035
n×4
267397380
n×5
334246725
n÷2
33424672.5
n÷3
22283115
n÷3
16712336.25
n÷5
13369869
n2
4468834926929025
n3
2.9873868777833E+23
n4
1.9970485604141E+31
n5
1.3350138819687E+39
2 √n
8176.1448739611
3 √n
405.85015744106
4 √n
90.422037545949
5 √n
36.729873386406
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
-66849344
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 66849345 can be divided by 4 positive divisors.
The sum of these divisors (counting 66849345) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111000000101001000001
3
Ternary
11122210022001200
4
Quaternary
3333000221001
5
Quinary
114103134340
6
Senary
10344451413
8
Octal
377005101
10
Decimal
66849345
12
Duodecimal
1a479b69
16
Hexadecimal
3fc0a41
20
Vigesimal
10hg375
36
Base36
13sta9
md5
b285dd44fbe2a141705e44e2712da551
sha1
951a7ff69f6681af822eb5d646974b9418e3c6f4
sha256
bf27b811a0b1d092c08a6c4d4cc19b5841965ce89f364f1af076c9025fa1f960
sha512
fa9bb698cc1affc459ae0110e183eed4a8b299b47bd2d8d7ebba3c2c8ed0b350f78d4fcb99f71402c0fd282ac5ab8b83fe4646c6b0bdd4ef2ba3814fcf67647e
ripemd-160
f5325890f7377bf6668cc2eabaf014dadf4e8871
Diameter
133698690
Circumference
420026822.29858
Area
1.4039258976546E+16
Volume
1.2513536891566E+24
Surface area
5.6157035906183E+16
Circumference
420026822.29858
Perimeter
267397380
Area
4468834926929025
Diagonal
94539250.334758
Surface area
26813009561574150
Volume
2.9873868777833E+23
Space diagonal
115786461.9927
Perimeter
200548035
Area
1.9350622860199E+15
Altitude
57893230.99635
Surface area
1.9350622860199E+15
Volume
3.5206691988471E+22
Height
31513083.444919