66885090 is an even 8-digits composite number following 66885089
and preceding 66885091 . In scientific notation, it is written as 6.6885090 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 17836016 positive integers (up to 66885090) that are relatively prime to 66885090.
66885090 has 8 divisors, whose sum is 107016192
The reverse of 66885090 is 09058866
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million eight hundred eighty-five thousand ninety
Scientific notation
6.6885090 × 10^7
Engineering notation
6.6885090 × 10^6
Prime Factorization
2 × 15 × 2229503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66885090
Product of the distinct prime numbers
The prime factorization of 66885090 is 2 × 15 × 2229503.
Since it has a total of 3 prime factors.
10 , 9 , 30 , 63 , 605 , 279 , 9756 , 6398 , 35094 , 83714 , 906769 , 23360 , 2832827 , 834922 , 69400493 , 59419592 , 328619252 , 717859475 , 7878647658 , 7675810377
n×2
133770180
n×3
200655270
n×4
267540360
n×5
334425450
n÷2
33442545
n÷3
22295030
n÷3
16721272.5
n÷5
13377018
n2
4473615264308100
n3
2.9921815957862E+23
n4
2.001323353305E+31
n5
1.3385869260491E+39
2 √n
8178.3305142309
3 √n
405.92248190411
4 √n
90.434122510427
5 √n
36.733800511209
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66885089
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66885090 can be divided by 8 positive divisors.
The sum of these divisors (counting 66885090) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111001001010111100010
3
Ternary
11122212010002120
4
Quaternary
3333021113202
5
Quinary
114110310330
6
Senary
10345325110
8
Octal
377112742
10
Decimal
66885090
12
Duodecimal
1a496796
16
Hexadecimal
3fc95e2
20
Vigesimal
10i0cea
36
Base36
13tkv6
md5
ad164c2fe04556e145b87fbdf0b8e487
sha1
ea7065792ada249b9041c4c72a646fc229102ae3
sha256
5bf8ef015605acbc0c0a2654c8bf2de9926a7a75e0c511f12fba8c206d2e09cd
sha512
637b2d339b522fa94a857666743d28f4a0935864a30df88633cd709293d9747bbf768c7d6e37b1840c4312f2a2b9c7901e0e1685f9ce0884e6da416e959e8f28
ripemd-160
395a051b7c53484ae7ff72f946fa44601ce5c756
Diameter
133770180
Circumference
420251414.75738
Area
1.4054276849337E+16
Volume
1.2533620959371E+24
Surface area
5.621710739735E+16
Circumference
420251414.75738
Perimeter
267540360
Area
4473615264308100
Diagonal
94589801.398545
Surface area
26841691585848600
Volume
2.9921815957862E+23
Space diagonal
115848374.14882
Perimeter
200655270
Area
1.9371322328243E+15
Altitude
57924187.074409
Surface area
1.9371322328243E+15
Volume
3.5263198282034E+22
Height
31529933.799515