66409939 is an odd 8-digits composite number following 66409938
and preceding 66409940 . In scientific notation, it is written as 6.6409939 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 62503456 positive integers (up to 66409939) that are relatively prime to 66409939.
66409939 has 4 divisors, whose sum is 70316424
The reverse of 66409939 is 93990466
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
sixty-six million four hundred nine thousand nine hundred thirty-nine
Scientific notation
6.6409939 × 10^7
Engineering notation
6.6409939 × 10^6
Prime Factorization
17 × 3906467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66409939
Product of the distinct prime numbers
The prime factorization of 66409939 is 17 × 3906467.
Since it has a total of 2 prime factors.
5 , 1 , 16 , 23 , 585 , 590 , 8660 , 1502 , 57957 , 84618 , 778740 , 441306 , 3116694 , 4819522 , 57488818 , 27998087 , 85149535 , 617907249 , 1309779177 , 458331989
n×2
132819878
n×3
199229817
n×4
265639756
n×5
332049695
n÷2
33204969.5
n÷3
22136646.333333
n÷3
16602484.75
n÷5
13281987.8
n2
4410279997983721
n3
2.9288642563902E+23
n4
1.9450569660615E+31
n5
1.2917111446767E+39
2 √n
8149.2293500674
3 √n
404.95897364228
4 √n
90.273082090219
5 √n
36.681460260151
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66409938
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66409939 can be divided by 4 positive divisors.
The sum of these divisors (counting 66409939) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111101010101010111010011
3
Ternary
11121221222022101
4
Quaternary
3331111113103
5
Quinary
114000104224
6
Senary
10331221231
8
Octal
375252723
10
Decimal
66409939
12
Duodecimal
1a2a7817
16
Hexadecimal
3f555d3
20
Vigesimal
10f14gj
36
Base36
13je8j
md5
73a1426dbee3f0fde4f73a1f4ba3c979
sha1
40fd0663aa6193650c2445f091c0938435386b8f
sha256
e95dc81f8223d736d1fb346ac395a500e07f9d46b6efb43cc0baaf3cca5e5f03
sha512
62448b5d7f69c05061f1177c33abf8774c5a981280a20e103b99ca2cbb3b203564c6be0ee1b0f54c76bdb153ebbd5f4f34851be6693f413abe42c9ff7718e78c
ripemd-160
9efc6b245b1e141b1fb3cc83307afa59a4950de2
Diameter
132819878
Circumference
417265952.97549
Area
1.385530324194E+16
Volume
1.2268397908316E+24
Surface area
5.5421212967759E+16
Circumference
417265952.97549
Perimeter
265639756
Area
4410279997983721
Diagonal
93917836.41017
Surface area
26461679987902326
Volume
2.9288642563902E+23
Space diagonal
115025388.47555
Perimeter
199229817
Area
1.9097072580281E+15
Altitude
57512694.237775
Surface area
1.9097072580281E+15
Volume
3.451699628114E+22
Height
31305945.470057