66990147 is an odd 8-digits composite number following 66990146
and preceding 66990148 . In scientific notation, it is written as 6.6990147 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 38175552 positive integers (up to 66990147) that are relatively prime to 66990147.
66990147 has 16 divisors, whose sum is 102359040
The reverse of 66990147 is 74109966
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-six million nine hundred ninety thousand one hundred forty-seven
Scientific notation
6.6990147 × 10^7
Engineering notation
6.6990147 × 10^6
Prime Factorization
3 × 7 × 383 × 8329
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
66990147
Product of the distinct prime numbers
The prime factorization of 66990147 is 3 × 7 × 383 × 8329.
Since it has a total of 4 prime factors.
9 , 5 , 60 , 31 , 825 , 8 , 5411 , 7365 , 42702 , 76576 , 142480 , 241644 , 1814947 , 1539706 , 32502108 , 28322699 , 3046059 , 522181337 , 9126110539 , 401840206
n×2
133980294
n×3
200970441
n×4
267960588
n×5
334950735
n÷2
33495073.5
n÷3
22330049
n÷3
16747536.75
n÷5
13398029.4
n2
4487679795081609
n3
3.0063032916145E+23
n4
2.0139269943184E+31
n5
1.3491326539666E+39
2 √n
8184.7508819756
3 √n
406.13489940014
4 √n
90.469613030982
5 √n
36.745332888685
1 , 3 , 7 , 21 , 383 , 1149 , 2681 , 8043 , 8329 , 24987 , 58303 , 174909 , 3190007 , 9570021 , 22330049 , 66990147
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
-66990146
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 66990147 can be divided by 16 positive divisors.
The sum of these divisors (counting 66990147) is 1, the average is 0.0625.
Base
System
Value
2
Binary
11111111100011000001000011
3
Ternary
11200001110012120
4
Quaternary
3333203001003
5
Quinary
114122141042
6
Senary
10351455323
8
Octal
377430103
10
Decimal
66990147
12
Duodecimal
1a527543
16
Hexadecimal
3fe3043
20
Vigesimal
10idf77
36
Base36
13vtxf
md5
07ce6564009b733202276e9f135ceacf
sha1
7352a2b368df1b3b48cbbbc257559246326d5e98
sha256
2ac6e911c597f441c161a0989a3e2fa1597a97cc674336d658df70de43aeb440
sha512
25804d79e2a4588d8a4245ea3cbf47acad7de8a5b7f80614c64cac5b8bdc84cec0a9b9669b5b88d63156bcb24f115942e5f8c92d6701751189670b8e3f5b3fa6
ripemd-160
abdbb0cfc39c2393363880e3d0d197b67469a68e
Diameter
133980294
Circumference
420911507.3562
Area
1.4098461875892E+16
Volume
1.2592773780532E+24
Surface area
5.6393847503567E+16
Circumference
420911507.3562
Perimeter
267960588
Area
4487679795081609
Diagonal
94738374.432767
Surface area
26926078770489654
Volume
3.0063032916145E+23
Space diagonal
116030338.21051
Perimeter
200970441
Area
1.9432223532954E+15
Altitude
58015169.105254
Surface area
1.9432223532954E+15
Volume
3.54296240634E+22
Height
31579458.144256