66996931 is an odd 8-digits composite number following 66996930
and preceding 66996932 . In scientific notation, it is written as 6.6996931 × 10^7.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 64374240 positive integers (up to 66996931) that are relatively prime to 66996931.
66996931 has 8 divisors, whose sum is 69642000
The reverse of 66996931 is 13969966
Previous prime number is 211
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
sixty-six million nine hundred ninety-six thousand nine hundred thirty-one
Scientific notation
6.6996931 × 10^7
Engineering notation
6.6996931 × 10^6
Prime Factorization
29 × 211 × 10949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66996931
Product of the distinct prime numbers
The prime factorization of 66996931 is 29 × 211 × 10949.
Since it has a total of 3 prime factors.
8 , 1 , 94 , 99 , 74 , 937 , 3126 , 5989 , 74638 , 73421 , 81323 , 460822 , 9163831 , 7551618 , 21873663 , 96298453 , 832669530 , 338675477 , 7020857346 , 1350936615
n×2
133993862
n×3
200990793
n×4
267987724
n×5
334984655
n÷2
33498465.5
n÷3
22332310.333333
n÷3
16749232.75
n÷5
13399386.2
n2
4488588763418761
n3
3.0072167167014E+23
n4
2.0147429087089E+31
n5
1.3498159163751E+39
2 √n
8185.1653007132
3 √n
406.14860851151
4 √n
90.47190337731
5 √n
36.746077088399
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-66996930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 66996931 can be divided by 8 positive divisors.
The sum of these divisors (counting 66996931) is 1, the average is 0.125.
Base
System
Value
2
Binary
11111111100100101011000011
3
Ternary
11200001210111211
4
Quaternary
3333210223003
5
Quinary
114122400211
6
Senary
10351550551
8
Octal
377445303
10
Decimal
66996931
12
Duodecimal
1a52b457
16
Hexadecimal
3fe4ac3
20
Vigesimal
10iec6b
36
Base36
13vz5v
md5
eb02248174fd6bfd60f3968b92062bc4
sha1
2082842b9c92930569e2b36960ff284056f6ee79
sha256
2522937d168ec7fb602118dc3c8d6f8fa4856370da38306c33b3b6d6298f3b6f
sha512
96e000ebd1672c8f7a439a68e308849ed8eca693903ecef4e46370652b60d636a0cbaf1659159f9ab1c03f8b6bcacfbe420f37e5614ea905af97ec4b949e0bab
ripemd-160
d4434f3b0a99bd6edb36e055c264cc423f69c0f6
Diameter
133993862
Circumference
420954132.48532
Area
1.4101317484142E+16
Volume
1.2596599926589E+24
Surface area
5.6405269936568E+16
Circumference
420954132.48532
Perimeter
267987724
Area
4488588763418761
Diagonal
94747968.457574
Surface area
26931532580512566
Volume
3.0072167167014E+23
Space diagonal
116042088.44319
Perimeter
200990793
Area
1.943615948131E+15
Altitude
58021044.221593
Surface area
1.943615948131E+15
Volume
3.5440388881285E+22
Height
31582656.152525