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 3 prime factors and 8 positive divisors.
There are 38175552 positive integers (up to 66990147) that are relatively prime to 66990147.
66990147 has 8 divisors, whose sum is 70371840
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
21 × 383 × 8329
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
66990147
Product of the distinct prime numbers
The prime factorization of 66990147 is 21 × 383 × 8329.
Since it has a total of 3 prime factors.
6 , 10 , 61 , 63 , 823 , 853 , 4438 , 2793 , 42405 , 44420 , 283752 , 575261 , 2704507 , 4246659 , 85573604 , 45126093 , 358009461 , 542217619 , 179057883 , 5402996077
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
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
-66990146
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 66990147 can be divided by 8 positive divisors.
The sum of these divisors (counting 66990147) is 1, the average is 0.125.
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