66215838 is an even 8-digits composite number following 66215837
and preceding 66215839 . In scientific notation, it is written as 6.6215838 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 20374080 positive integers (up to 66215838) that are relatively prime to 66215838.
66215838 has 16 divisors, whose sum is 142618896
The reverse of 66215838 is 83851266
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million two hundred fifteen thousand eight hundred thirty-eight
Scientific notation
6.6215838 × 10^7
Engineering notation
6.6215838 × 10^6
Prime Factorization
2 × 3 × 13 × 848921
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66215838
Product of the distinct prime numbers
The prime factorization of 66215838 is 2 × 3 × 13 × 848921.
Since it has a total of 4 prime factors.
1 , 8 , 81 , 46 , 179 , 129 , 2278 , 9139 , 93690 , 44492 , 509236 , 989589 , 3227867 , 3662763 , 29350581 , 47819041 , 946032036 , 956512884 , 9098332006 , 2931833222
n×2
132431676
n×3
198647514
n×4
264863352
n×5
331079190
n÷2
33107919
n÷3
22071946
n÷3
16553959.5
n÷5
13243167.6
n2
4384537202042244
n3
2.903258050754E+23
n4
1.9224166476092E+31
n5
1.272944293066E+39
2 √n
8137.3114724705
3 √n
404.56405461377
4 √n
90.207047798221
5 √n
36.659992850919
1 , 2 , 3 , 6 , 13 , 26 , 39 , 78 , 848921 , 1697842 , 2546763 , 5093526 , 11035973 , 22071946 , 33107919 , 66215838
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
-66215837
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 66215838 can be divided by 16 positive divisors.
The sum of these divisors (counting 66215838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111100100101111110011110
3
Ternary
11121121010001110
4
Quaternary
3330211332132
5
Quinary
113422401323
6
Senary
10323122450
8
Octal
374457636
10
Decimal
66215838
12
Duodecimal
1a213426
16
Hexadecimal
3f25f9e
20
Vigesimal
10dgjbi
36
Base36
13f8gu
md5
4de5fe5f7d94220b8a25891b07883bde
sha1
ba86e58219e80933e90e050afacae8263ca34d1f
sha256
4aa99016c6393d1d878c17d4ee69e7585cdf3431697db7491fdd12768491a01b
sha512
5250aee717fb6a06f007bca9791bcef545d01f2d59cb1bea6200679602c2e408405d0feeee46d8cea1d1e43836ee8237519edbbf1e02e88492ff49416f3aa713
ripemd-160
4bc5f3741790a562d4689396c4b00b7d9d89cd76
Diameter
132431676
Circumference
416046380.42418
Area
1.3774429863327E+16
Volume
1.2161138884966E+24
Surface area
5.5097719453308E+16
Circumference
416046380.42418
Perimeter
264863352
Area
4384537202042244
Diagonal
93643336.1435
Surface area
26307223212253464
Volume
2.903258050754E+23
Space diagonal
114689195.68175
Perimeter
198647514
Area
1.8985603004033E+15
Altitude
57344597.840875
Surface area
1.8985603004033E+15
Volume
3.421522425371E+22
Height
31214445.381167