66887946 is an even 8-digits composite number following 66887945
and preceding 66887947 . In scientific notation, it is written as 6.6887946 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 21917736 positive integers (up to 66887946) that are relatively prime to 66887946.
66887946 has 16 divisors, whose sum is 113371200
The reverse of 66887946 is 64978866
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
sixty-six million eight hundred eighty-seven thousand nine hundred forty-six
Scientific notation
6.6887946 × 10^7
Engineering notation
6.6887946 × 10^6
Prime Factorization
2 × 9 × 59 × 62983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66887946
Product of the distinct prime numbers
The prime factorization of 66887946 is 2 × 9 × 59 × 62983.
Since it has a total of 4 prime factors.
8 , 6 , 34 , 61 , 757 , 603 , 9251 , 7076 , 34791 , 8762 , 596284 , 393064 , 3756197 , 3002889 , 41688964 , 22447666 , 364643466 , 254436900 , 1603879057 , 3776733836
n×2
133775892
n×3
200663838
n×4
267551784
n×5
334439730
n÷2
33443973
n÷3
22295982
n÷3
16721986.5
n÷5
13377589.2
n2
4473997320098916
n3
2.9925649115092E+23
n4
2.0016652020252E+31
n5
1.3388727394314E+39
2 √n
8178.5051201305
3 √n
405.92825946533
4 √n
90.435087881477
5 √n
36.734114213239
1 , 2 , 9 , 18 , 59 , 118 , 531 , 1062 , 62983 , 125966 , 566847 , 1133694 , 3715997 , 7431994 , 33443973 , 66887946
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
-66887945
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 66887946 can be divided by 16 positive divisors.
The sum of these divisors (counting 66887946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111001010000100001010
3
Ternary
11122212021000100
4
Quaternary
3333022010022
5
Quinary
114110403241
6
Senary
10345350230
8
Octal
377120412
10
Decimal
66887946
12
Duodecimal
1a498376
16
Hexadecimal
3fca10a
20
Vigesimal
10i0jh6
36
Base36
13tn2i
md5
03996f3f4ffedd82145dd352e83f21c3
sha1
3066cf82f3565d4a774c3e5a02a5f9f9c8861dd4
sha256
7129050d21c28057a73b92e02a5240c75515e3efb8f0ebfc3576935945d3e379
sha512
4bfe5c7722c3199fb372c888680bae80a90dcd44dc8a3f8a78bdacbd702ad378f8a3e936d45106a89e4bef50d286605fb576aa3883e3874679b0f0d3482fcef8
ripemd-160
90dedf541418d690e9f56582f26ce1fb9bb46873
Diameter
133775892
Circumference
420269359.53462
Area
1.4055477113003E+16
Volume
1.2535226588517E+24
Surface area
5.6221908452013E+16
Circumference
420269359.53462
Perimeter
267551784
Area
4473997320098916
Diagonal
94593840.392479
Surface area
26843983920593496
Volume
2.9925649115092E+23
Space diagonal
115853320.88592
Perimeter
200663838
Area
1.9372976678346E+15
Altitude
57926660.442962
Surface area
1.9372976678346E+15
Volume
3.5267715701151E+22
Height
31531280.130826