66488645 is an odd 8-digits composite number following 66488644
and preceding 66488646 . In scientific notation, it is written as 6.6488645 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 51240000 positive integers (up to 66488645) that are relatively prime to 66488645.
66488645 has 8 divisors, whose sum is 80105760
The reverse of 66488645 is 54688466
Previous prime number is 52979
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
sixty-six million four hundred eighty-eight thousand six hundred forty-five
Scientific notation
6.6488645 × 10^7
Engineering notation
6.6488645 × 10^6
Prime Factorization
5 × 52979 × 251
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66488645
Product of the distinct prime numbers
The prime factorization of 66488645 is 5 × 52979 × 251.
Since it has a total of 3 prime factors.
8 , 9 , 12 , 95 , 556 , 572 , 5724 , 1322 , 49055 , 15826 , 447764 , 93068 , 1619135 , 9513418 , 48140611 , 27298332 , 518664667 , 729070517 , 9139720647 , 7771544189
n×2
132977290
n×3
199465935
n×4
265954580
n×5
332443225
n÷2
33244322.5
n÷3
22162881.666667
n÷3
16622161.25
n÷5
13297729
n2
4420739913936025
n3
2.9392900677502E+23
n4
1.9542941386667E+31
n5
1.2993836921139E+39
2 √n
8154.0569657073
3 √n
405.11889005636
4 √n
90.29981708568
5 √n
36.690150776622
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
-66488644
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 66488645 can be divided by 8 positive divisors.
The sum of these divisors (counting 66488645) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111101101000100101000101
3
Ternary
11122002222021102
4
Quaternary
3331220211011
5
Quinary
114010114040
6
Senary
10333025445
8
Octal
375504505
10
Decimal
66488645
12
Duodecimal
1a325285
16
Hexadecimal
3f68945
20
Vigesimal
10fb1c5
36
Base36
13l2yt
md5
ccc28af3ac77548db362c03a54f0b341
sha1
6c00864742ef6d507a8bfb924399709d066ef420
sha256
4ff62167c4b9d020eaf6ae92639fc7b8628eb75d8798aa5b8212716414e83ab5
sha512
1542a6c7debde0f601eefb76050db5ef2c90923f45340559a529a4738c040b7d15d953d51f376dc8c2d45d17bf25776cb08ef670e1879eff97e29c654d68a4de
ripemd-160
940671f11ac79ff6c201558bc1b490ba1114c114
Diameter
132977290
Circumference
417760477.35828
Area
1.3888164037053E+16
Volume
1.2312069444818E+24
Surface area
5.555265614821E+16
Circumference
417760477.35828
Perimeter
265954580
Area
4420739913936025
Diagonal
94029143.50281
Surface area
26524439483616150
Volume
2.9392900677502E+23
Space diagonal
115161711.26641
Perimeter
199465935
Area
1.9142365344962E+15
Altitude
57580855.633205
Surface area
1.9142365344962E+15
Volume
3.4639865646341E+22
Height
31343047.83427