66851940 is an even 8-digits composite number following 66851939
and preceding 66851941 . In scientific notation, it is written as 6.6851940 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 17581824 positive integers (up to 66851940) that are relatively prime to 66851940.
66851940 has 24 divisors, whose sum is 126508032
The reverse of 66851940 is 04915866
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
sixty-six million eight hundred fifty-one thousand nine hundred forty
Scientific notation
6.6851940 × 10^7
Engineering notation
6.6851940 × 10^6
Prime Factorization
2 × 2 × 15 × 73 × 15263
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
33425970
Product of the distinct prime numbers
The prime factorization of 66851940 is 2 × 2 × 15 × 73 × 15263.
Since it has a total of 5 prime factors.
9 , 7 , 10 , 20 , 86 , 60 , 6071 , 6993 , 37709 , 93677 , 982575 , 552456 , 8447185 , 7263653 , 95517674 , 44522361 , 326319780 , 864375216 , 7661710142 , 1071270806
n×2
133703880
n×3
200555820
n×4
267407760
n×5
334259700
n÷2
33425970
n÷3
22283980
n÷3
16712985
n÷5
13370388
n2
4469181881763600
n3
2.9877347900875E+23
n4
1.9973586692284E+31
n5
1.3352730191374E+39
2 √n
8176.303565793
3 √n
405.85540888883
4 √n
90.422915048084
5 √n
36.730158542653
1 , 2 , 4 , 15 , 30 , 60 , 73 , 146 , 292 , 1095 , 2190 , 4380 , 15263 , 30526 , 61052 , 228945 , 457890 , 915780 , 1114199 , 2228398 , 4456796 , 16712985 , 33425970 , 66851940
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66851939
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66851940 can be divided by 24 positive divisors.
The sum of these divisors (counting 66851940) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11111111000001010001100100
3
Ternary
11122210102121210
4
Quaternary
3333001101210
5
Quinary
114103230230
6
Senary
10344511420
8
Octal
377012144
10
Decimal
66851940
12
Duodecimal
1a47b570
16
Hexadecimal
3fc1464
20
Vigesimal
10hg9h0
36
Base36
13svac
md5
d671ea2ad68c03826e1e79cc2dc7ffef
sha1
e758a945ad9e0d1079a3daf5cec9186ff9082989
sha256
af65ecc45c0c668edabff24843bfb43a45843533ebe9ebc8f7d14ce3485cb654
sha512
2a39ba6b98cbe5f17803d59ca3fec90a96d3668e3e236f3e92b7fcee1c61d76e626f3904645df988dafc0163492892f22f14a025a2acada642765f84f56b4da3
ripemd-160
bc7b2419805578fc2554c0f4bf85d674fca4116c
Diameter
133703880
Circumference
420043127.16445
Area
1.4040348967305E+16
Volume
1.2514994223218E+24
Surface area
5.6161395869221E+16
Circumference
420043127.16445
Perimeter
267407760
Area
4469181881763600
Diagonal
94542920.218952
Surface area
26815091290581600
Volume
2.9877347900875E+23
Space diagonal
115790956.66455
Perimeter
200555820
Area
1.9352125218702E+15
Altitude
57895478.332273
Surface area
1.9352125218702E+15
Volume
3.5210792174297E+22
Height
31514306.739651