66161838 is an even 8-digits composite number following 66161837
and preceding 66161839 . In scientific notation, it is written as 6.6161838 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 20835360 positive integers (up to 66161838) that are relatively prime to 66161838.
66161838 has 16 divisors, whose sum is 101263824
The reverse of 66161838 is 83816166
Previous prime number is 547
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million one hundred sixty-one thousand eight hundred thirty-eight
Scientific notation
6.6161838 × 10^7
Engineering notation
6.6161838 × 10^6
Prime Factorization
2 × 57 × 547 × 1061
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66161838
Product of the distinct prime numbers
The prime factorization of 66161838 is 2 × 57 × 547 × 1061.
Since it has a total of 4 prime factors.
6 , 2 , 25 , 90 , 32 , 160 , 65 , 802 , 3033 , 2245 , 237313 , 117288 , 274068 , 5973597 , 23747950 , 32585280 , 156614918 , 120680879 , 7722743324 , 793164999
n×2
132323676
n×3
198485514
n×4
264647352
n×5
330809190
n÷2
33080919
n÷3
22053946
n÷3
16540459.5
n÷5
13232367.6
n2
4377388807538244
n3
2.8961608914736E+23
n4
1.9161532772361E+31
n5
1.2677622271166E+39
2 √n
8133.992746493
3 √n
404.45404870478
4 √n
90.188650874115
5 √n
36.65401154566
1 , 2 , 57 , 114 , 547 , 1061 , 1094 , 2122 , 31179 , 60477 , 62358 , 120954 , 580367 , 1160734 , 33080919 , 66161838
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
-66161837
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 66161838 can be divided by 16 positive divisors.
The sum of these divisors (counting 66161838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111100011000110010101110
3
Ternary
11121111100222110
4
Quaternary
3330120302232
5
Quinary
113414134323
6
Senary
10322024450
8
Octal
374306256
10
Decimal
66161838
12
Duodecimal
1a1a8126
16
Hexadecimal
3f18cae
20
Vigesimal
10da4bi
36
Base36
13e2su
md5
ef8ef5ce4f1d31acf5d71ca9fc2c3fc6
sha1
62f861717ad3f5a73681e0b0cfb73f65c85a1c23
sha256
499b69b92b82d3a46c5f0aceeba4f5c52e28e9ad39909b6ffd0098b3ab063f61
sha512
0a4b5c8f4f7d2f405db8311de85ad6235c1b03b909fb9908abcbc8d467dc18a4d3cceacebccdc79f47c7f084c465ad4b78dbc93f2e1d81251325cd8fe80833da
ripemd-160
ede4280501f0c3fdd3e3f84576bb7e5b530e9e7a
Diameter
132323676
Circumference
415707088.4176
Area
1.3751972519668E+16
Volume
1.213141037369E+24
Surface area
5.5007890078673E+16
Circumference
415707088.4176
Perimeter
264647352
Area
4377388807538244
Diagonal
93566968.611132
Surface area
26264332845229464
Volume
2.8961608914736E+23
Space diagonal
114595664.93814
Perimeter
198485514
Area
1.8954649547849E+15
Altitude
57297832.469071
Surface area
1.8954649547849E+15
Volume
3.4131583429471E+22
Height
31188989.537044