146221281 is an odd 9-digits composite number following 146221280
and preceding 146221282 . In scientific notation, it is written as 1.46221281 × 10^8.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 93241368 positive integers (up to 146221281) that are relatively prime to 146221281.
146221281 has 12 divisors, whose sum is 171417792
The reverse of 146221281 is 182122641
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 27
Digital Root 9
Name
one hundred forty-six million two hundred twenty-one thousand two hundred eighty-one
Scientific notation
1.46221281 × 10^8
Engineering notation
1.46221281 × 10^6
Prime Factorization
9 × 9 × 23 × 78487
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16246809
Product of the distinct prime numbers
The prime factorization of 146221281 is 9 × 9 × 23 × 78487.
Since it has a total of 4 prime factors.
9 , 6 , 81 , 48 , 990 , 256 , 3396 , 2384 , 65807 , 65652 , 406507 , 196016 , 1313083 , 8581802 , 33591810 , 16813362 , 225459052 , 653458444 , 557843866 , 625379141
n×2
292442562
n×3
438663843
n×4
584885124
n×5
731106405
n÷2
73110640.5
n÷3
48740427
n÷3
36555320.25
n÷5
29244256.2
n2
21380663017280961
n3
3.1263079350161E+24
n4
4.5713275105853E+32
n5
6.6842536446832E+40
2 √n
12092.199179636
3 √n
526.82963262311
4 √n
109.96453600883
5 √n
42.95385204393
1 , 9 , 23 , 81 , 207 , 1863 , 78487 , 706383 , 1805201 , 6357447 , 16246809 , 146221281
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-146221280
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 146221281 can be divided by 12 positive divisors.
The sum of these divisors (counting 146221281) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101101110010100011100001
3
Ternary
101012010210220000
4
Quaternary
20231302203201
5
Quinary
244413040111
6
Senary
22302010213
8
Octal
1055624341
10
Decimal
146221281
12
Duodecimal
40b76969
16
Hexadecimal
8b728e1
20
Vigesimal
25dhd41
36
Base36
2f2129
md5
c7d91e8eefce93048ccdcadfdc358a40
sha1
5c208c41109e456e8f64e05d3d65c4b3af11685c
sha256
e286b030c7a44b5abb9eca2aa26f8e294d8924f2df5e32d2b26abaea87ce36a6
sha512
18a90804afae63b1a187605501f99aabec2e5b9df69396675a0d7780b03f6fca559d694511d2384331d1b6d27e1940f1733662d96db0f4accf529f032d2c61ed
ripemd-160
b8cd83483281e462fe7d32fa1fd5cda27b7ba26c
Diameter
292442562
Circumference
918735404.37618
Area
6.7169333863969E+16
Volume
1.3095448055342E+25
Surface area
2.6867733545588E+17
Circumference
918735404.37618
Perimeter
584885124
Area
21380663017280961
Diagonal
206788118.69777
Surface area
128283978103685766
Volume
3.1263079350161E+24
Space diagonal
253262687.83981
Perimeter
438663843
Area
9.2580986613599E+15
Altitude
126631343.9199
Surface area
9.2580986613599E+15
Volume
3.6843892348787E+23
Height
68929372.899256