66990717 is an odd 8-digits composite number following 66990716
and preceding 66990718 . In scientific notation, it is written as 6.6990717 × 10^7.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 44660472 positive integers (up to 66990717) that are relatively prime to 66990717.
66990717 has 4 divisors, whose sum is 74434140
The reverse of 66990717 is 71709966
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
sixty-six million nine hundred ninety thousand seven hundred seventeen
Scientific notation
6.6990717 × 10^7
Engineering notation
6.6990717 × 10^6
Prime Factorization
9 × 7443413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
66990717
Product of the distinct prime numbers
The prime factorization of 66990717 is 9 × 7443413.
Since it has a total of 2 prime factors.
10 , 2 , 38 , 47 , 927 , 923 , 9442 , 1964 , 71942 , 56557 , 852087 , 944579 , 4043028 , 6641472 , 74047113 , 61604883 , 26944539 , 454070449 , 9950904641 , 6304107925
n×2
133981434
n×3
200972151
n×4
267962868
n×5
334953585
n÷2
33495358.5
n÷3
22330239
n÷3
16747679.25
n÷5
13398143.4
n2
4487756164174089
n3
3.0063800315919E+23
n4
2.0139955389083E+31
n5
1.3491900518627E+39
2 √n
8184.7857027536
3 √n
406.13605129211
4 √n
90.469805475383
5 √n
36.745395419578
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
-66990716
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 66990717 can be divided by 4 positive divisors.
The sum of these divisors (counting 66990717) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111111100011001001111101
3
Ternary
11200001110222200
4
Quaternary
3333203021331
5
Quinary
114122200332
6
Senary
10351502113
8
Octal
377431175
10
Decimal
66990717
12
Duodecimal
1a527939
16
Hexadecimal
3fe327d
20
Vigesimal
10idgfh
36
Base36
13vud9
md5
ae4f776cf3792c5889a5141dbd1dbcf1
sha1
ac0a52f04c5e2aa84f58f60ab9a9376f37df6c1c
sha256
0e6d59724eefb2286345dd6e52f4bf9086497cf8a20a2d225c4f27f5c897e228
sha512
2a01dff13f7390f3b42b80830b5fdf6ef51a6a3c6cfd3b1e9060f9483eb53e4bdb975798ca948fc670aa3bc93d3d80f5130910f644e6bfea04d9282378c59067
ripemd-160
4b060959c7cd4acb16d3627bc90e143300248c28
Diameter
133981434
Circumference
420915088.77183
Area
1.4098701796472E+16
Volume
1.2593095228198E+24
Surface area
5.6394807185887E+16
Circumference
420915088.77183
Perimeter
267962868
Area
4487756164174089
Diagonal
94739180.534498
Surface area
26926536985044534
Volume
3.0063800315919E+23
Space diagonal
116031325.47947
Perimeter
200972151
Area
1.9432554220825E+15
Altitude
58015662.739734
Surface area
1.9432554220825E+15
Volume
3.5430528452708E+22
Height
31579726.844833