66698493 is an odd 8-digits composite number following 66698492
and preceding 66698494 . In scientific notation, it is written as 6.6698493 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 42007680 positive integers (up to 66698493) that are relatively prime to 66698493.
66698493 has 16 divisors, whose sum is 93873600
The reverse of 66698493 is 39489666
Previous prime number is 409
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
sixty-six million six hundred ninety-eight thousand four hundred ninety-three
Scientific notation
6.6698493 × 10^7
Engineering notation
6.6698493 × 10^6
Prime Factorization
3 × 19 × 409 × 2861
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66698493
Product of the distinct prime numbers
The prime factorization of 66698493 is 3 × 19 × 409 × 2861.
Since it has a total of 4 prime factors.
8 , 7 , 43 , 34 , 728 , 793 , 2798 , 8662 , 34609 , 29998 , 801145 , 795676 , 7539926 , 2308678 , 3045341 , 88547082 , 672361183 , 815445296 , 6753821398 , 1536314236
n×2
133396986
n×3
200095479
n×4
266793972
n×5
333492465
n÷2
33349246.5
n÷3
22232831
n÷3
16674623.25
n÷5
13339698.6
n2
4448688968471049
n3
2.9672085002274E+23
n4
1.9790833538196E+31
n5
1.3200187722115E+39
2 √n
8166.9145336535
3 √n
405.54464750239
4 √n
90.370982807832
5 √n
36.713281502193
1 , 3 , 19 , 57 , 409 , 1227 , 2861 , 7771 , 8583 , 23313 , 54359 , 163077 , 1170149 , 3510447 , 22232831 , 66698493
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
-66698492
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 66698493 can be divided by 16 positive divisors.
The sum of these divisors (counting 66698493) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111110011011110011111101
3
Ternary
11122111122010120
4
Quaternary
3332123303331
5
Quinary
114033322433
6
Senary
10341325153
8
Octal
376336375
10
Decimal
66698493
12
Duodecimal
1a4067b9
16
Hexadecimal
3f9bcfd
20
Vigesimal
10gh64d
36
Base36
13pkvx
md5
5cf6933a7ce90e2076075ec4c6aea21c
sha1
6fee416273ba1888e33f29f5683c68cb5e415704
sha256
3a8d614c3ce8ed4b84a4678d9e3fabc7bd7c93c30d9b1935890100eb34e56bd3
sha512
fe0e8b167e0b00f8fb84d98c38656355d577a6c814ecf36ea06a417a318a56241ce2a868fdc8e041e59e234887cf4e06534f5016751123dff1c6e700f73ba736
ripemd-160
83e25527f42c766a2e8c6f88f116cb9ea0ea3204
Diameter
133396986
Circumference
419078991.22862
Area
1.3975968581455E+16
Volume
1.2429013901312E+24
Surface area
5.5903874325818E+16
Circumference
419078991.22862
Perimeter
266793972
Area
4448688968471049
Diagonal
94325913.390447
Surface area
26692133810826294
Volume
2.9672085002274E+23
Space diagonal
115525178.66428
Perimeter
200095479
Area
1.9263388301158E+15
Altitude
57762589.332139
Surface area
1.9263388301158E+15
Volume
3.496888752842E+22
Height
31441971.130149