66709840 is an even 8-digits composite number following 66709839
and preceding 66709841 . In scientific notation, it is written as 6.6709840 × 10^7.
The sum of its digits is 40. It has a total of 6 prime factors and 20 positive divisors.
There are 26683904 positive integers (up to 66709840) that are relatively prime to 66709840.
66709840 has 20 divisors, whose sum is 155100564
The reverse of 66709840 is 04890766
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
sixty-six million seven hundred nine thousand eight hundred forty
Scientific notation
6.6709840 × 10^7
Engineering notation
6.6709840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 833873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
8338730
Product of the distinct prime numbers
The prime factorization of 66709840 is 2 × 2 × 2 × 2 × 5 × 833873.
Since it has a total of 6 prime factors.
9 , 4 , 63 , 78 , 392 , 64 , 7058 , 1091 , 99451 , 48970 , 953927 , 757290 , 9222980 , 4567826 , 78341813 , 72074099 , 383396927 , 301922811 , 2620158766 , 992621244
n×2
133419680
n×3
200129520
n×4
266839360
n×5
333549200
n÷2
33354920
n÷3
22236613.333333
n÷3
16677460
n÷5
13341968
n2
4450202752825600
n3
2.9687231360856E+23
n4
1.9804304541257E+31
n5
1.3211419872585E+39
2 √n
8167.609197311
3 √n
405.56764379501
4 √n
90.374826126035
5 √n
36.71453057767
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 833873 , 1667746 , 3335492 , 4169365 , 6670984 , 8338730 , 13341968 , 16677460 , 33354920 , 66709840
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66709839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66709840 can be divided by 20 positive divisors.
The sum of these divisors (counting 66709840) is 1, the average is 0.05.
Base
System
Value
2
Binary
11111110011110100101010000
3
Ternary
11122112012200211
4
Quaternary
3332132211100
5
Quinary
114034203330
6
Senary
10341453504
8
Octal
376364520
10
Decimal
66709840
12
Duodecimal
1a411294
16
Hexadecimal
3f9e950
20
Vigesimal
10giec0
36
Base36
13ptn4
md5
b499330c4edbfda32e4fc9823b4f324b
sha1
7d3ded00ae1789107fb74c4ae5441cdc4871a769
sha256
37d3a794d85547771efafca26aecfd70c4a721d49aa150b29997fa02fbe1be40
sha512
8cbcefeb3734f4bcc8ea5e45ce95a7c47ab49c6def692780bc99e353e44b69c85181cc1af02f8fd070a2684a41160fdaeef6fb850655ff93fbacccffa05cd3e1
ripemd-160
5778007cd3de1fab6df2b060216d1840c1264758
Diameter
133419680
Circumference
419150286.5323
Area
1.3980724275262E+16
Volume
1.2435358393158E+24
Surface area
5.5922897101048E+16
Circumference
419150286.5323
Perimeter
266839360
Area
4450202752825600
Diagonal
94341960.471739
Surface area
26701216516953600
Volume
2.9687231360856E+23
Space diagonal
115544832.24479
Perimeter
200129520
Area
1.9269943179692E+15
Altitude
57772416.122395
Surface area
1.9269943179692E+15
Volume
3.4986737683191E+22
Height
31447320.157246