66448905 is an odd 8-digits composite number following 66448904
and preceding 66448906 . In scientific notation, it is written as 6.6448905 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 34206720 positive integers (up to 66448905) that are relatively prime to 66448905.
66448905 has 16 divisors, whose sum is 106444800
The reverse of 66448905 is 50984466
Previous prime number is 4223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million four hundred forty-eight thousand nine hundred five
Scientific notation
6.6448905 × 10^7
Engineering notation
6.6448905 × 10^6
Prime Factorization
3 × 5 × 4223 × 1049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66448905
Product of the distinct prime numbers
The prime factorization of 66448905 is 3 × 5 × 4223 × 1049.
Since it has a total of 4 prime factors.
9 , 7 , 22 , 85 , 856 , 394 , 6101 , 8448 , 75710 , 85971 , 87527 , 921031 , 1722887 , 6375993 , 25299992 , 76548112 , 787409563 , 576959999 , 9616834889 , 9872816836
n×2
132897810
n×3
199346715
n×4
265795620
n×5
332244525
n÷2
33224452.5
n÷3
22149635
n÷3
16612226.25
n÷5
13289781
n2
4415456975699025
n3
2.9340228110981E+23
n4
1.9496260304249E+31
n5
1.2955051488123E+39
2 √n
8151.6197776884
3 √n
405.038161318
4 √n
90.286321099535
5 √n
36.685763816084
1 , 3 , 5 , 15 , 1049 , 3147 , 4223 , 5245 , 12669 , 15735 , 21115 , 63345 , 4429927 , 13289781 , 22149635 , 66448905
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
-66448904
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 66448905 can be divided by 16 positive divisors.
The sum of these divisors (counting 66448905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111101011110111000001001
3
Ternary
11122000221202120
4
Quaternary
3331132320021
5
Quinary
114002331110
6
Senary
10332121453
8
Octal
375367011
10
Decimal
66448905
12
Duodecimal
1a306289
16
Hexadecimal
3f5ee09
20
Vigesimal
10f6255
36
Base36
13k8ax
md5
499b83daebddffdc240518a4a412c7e4
sha1
0ff582a9c67968848c818ea8a615db23182baa07
sha256
806384876bcc6a21d3f21a57d474fc5b622fa222cf749b74912a19359583a61a
sha512
83411c05986f156c009700349d22a8184a65c81dec9341f64b40a10a74ebbfde4d4edaea1c31eb286ed1b891d69a66eb57c8ec278293f5536b0166943f67905c
ripemd-160
0d884c1160b358fafe50784ee4d61fcc64027d8a
Diameter
132897810
Circumference
417510783.57417
Area
1.3871567197098E+16
Volume
1.2290006011748E+24
Surface area
5.5486268788391E+16
Circumference
417510783.57417
Perimeter
265795620
Area
4415456975699025
Diagonal
93972942.655841
Surface area
26492741854194150
Volume
2.9340228110981E+23
Space diagonal
115092879.56732
Perimeter
199346715
Area
1.9119489551363E+15
Altitude
57546439.783659
Surface area
1.9119489551363E+15
Volume
3.4577790431392E+22
Height
31324314.218614