66809997 is an odd 8-digits composite number following 66809996
and preceding 66809998 . In scientific notation, it is written as 6.6809997 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 43003968 positive integers (up to 66809997) that are relatively prime to 66809997.
66809997 has 12 divisors, whose sum is 99831420
The reverse of 66809997 is 79990866
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million eight hundred nine thousand nine hundred ninety-seven
Scientific notation
6.6809997 × 10^7
Engineering notation
6.6809997 × 10^6
Prime Factorization
3 × 3 × 29 × 255977
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
22269999
Product of the distinct prime numbers
The prime factorization of 66809997 is 3 × 3 × 29 × 255977.
Since it has a total of 4 prime factors.
2 , 1 , 18 , 4 , 557 , 597 , 1677 , 6229 , 30955 , 31586 , 266151 , 922592 , 5787325 , 5535280 , 14331469 , 51169960 , 932949294 , 579941234 , 4338098710 , 4396974372
n×2
133619994
n×3
200429991
n×4
267239988
n×5
334049985
n÷2
33404998.5
n÷3
22269999
n÷3
16702499.25
n÷5
13361999.4
n2
4463575699140009
n3
2.9821147906882E+23
n4
1.9923508021953E+31
n5
1.3310895111762E+39
2 √n
8173.7382512532
3 √n
405.77051304937
4 √n
90.408728844361
5 √n
36.725548475066
1 , 3 , 9 , 29 , 87 , 261 , 255977 , 767931 , 2303793 , 7423333 , 22269999 , 66809997
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66809996
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66809997 can be divided by 12 positive divisors.
The sum of these divisors (counting 66809997) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11111110110111000010001101
3
Ternary
11122201022002100
4
Quaternary
3332313002031
5
Quinary
114100404442
6
Senary
10343545313
8
Octal
376670215
10
Decimal
66809997
12
Duodecimal
1a45b239
16
Hexadecimal
3fb708d
20
Vigesimal
10hb4jh
36
Base36
13ryx9
md5
fd8fe5431d6d375a4a52ca0ff015e90c
sha1
04db09b9b4a2a7e7a8f281a8a6778539c7a121f2
sha256
6b0886c3f467e5dd204b6f2ce73ca3fb6a94bfbfe490ccadbd16a042179d1c05
sha512
60ab41d4cab9e6227501ec0665e81bfe23eb6e19be1cbf23689fb965cfea815c59ccc000a0007c4ab1dab209e39d61ecd9371ec65960ad341ce475ce7fd7df28
ripemd-160
a5d6c185d1396f96537741ef32a7fefbb0e445c8
Diameter
133619994
Circumference
419779591.52311
Area
1.402273662516E+16
Volume
1.2491453224783E+24
Surface area
5.6090946500641E+16
Circumference
419779591.52311
Perimeter
267239988
Area
4463575699140009
Diagonal
94483603.859506
Surface area
26781454194840054
Volume
2.9821147906882E+23
Space diagonal
115718309.25752
Perimeter
200429991
Area
1.9327849735851E+15
Altitude
57859154.628762
Surface area
1.9327849735851E+15
Volume
3.5144559846205E+22
Height
31494534.619835