145291216 is an even 9-digits composite number following 145291215
and preceding 145291217 . In scientific notation, it is written as 1.45291216 × 10^8.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 62267616 positive integers (up to 145291216) that are relatively prime to 145291216.
145291216 has 20 divisors, whose sum is 321716512
The reverse of 145291216 is 612192541
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred forty-five million two hundred ninety-one thousand two hundred sixteen
Scientific notation
1.45291216 × 10^8
Engineering notation
1.45291216 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 7 × 1297243
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18161402
Product of the distinct prime numbers
The prime factorization of 145291216 is 2 × 2 × 2 × 2 × 7 × 1297243.
Since it has a total of 6 prime factors.
8 , 4 , 3 , 73 , 81 , 895 , 2027 , 3385 , 91206 , 54737 , 743335 , 905755 , 6266596 , 3105960 , 23132323 , 42882013 , 816503265 , 59009187 , 262675231 , 2634970535
n×2
290582432
n×3
435873648
n×4
581164864
n×5
726456080
n÷2
72645608
n÷3
48430405.333333
n÷3
36322804
n÷5
29058243.2
n2
21109537446758656
n3
3.0670303648371E+24
n4
4.4561257121611E+32
n5
6.4743592336875E+40
2 √n
12053.680599717
3 √n
525.71025983729
4 √n
109.78925539285
5 √n
42.899069447408
1 , 2 , 4 , 7 , 8 , 14 , 16 , 28 , 56 , 112 , 1297243 , 2594486 , 5188972 , 9080701 , 10377944 , 18161402 , 20755888 , 36322804 , 72645608 , 145291216
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-145291215
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 145291216 can be divided by 20 positive divisors.
The sum of these divisors (counting 145291216) is 1, the average is 0.05.
Base
System
Value
2
Binary
1000101010001111011111010000
3
Ternary
101010101120002011
4
Quaternary
20222033133100
5
Quinary
244143304331
6
Senary
22230032304
8
Octal
1052173720
10
Decimal
145291216
12
Duodecimal
407a8694
16
Hexadecimal
8a8f7d0
20
Vigesimal
258180g
36
Base36
2ei3f4
md5
3bf0010c9f9e823e7e33550cfa1e5827
sha1
73a95c49267a79cb94480b99a0f343f8d4be5ca2
sha256
ab5a878251de2a2005dcbbbf8c81ffd30b90a7c78e3030c1f7d6b8adf9882b91
sha512
15cd44f3382f37fd0d16c5b2d754730311832b458f30f60cd3962055204ad64eafe558317a7043f8f4b2d3364444d4698f58b64a88e60b507fbb49ef02bb0eab
ripemd-160
f6162751c8038d75d3175731d39bed5ed7501de7
Diameter
290582432
Circumference
912891633.63346
Area
6.6317567763416E+16
Volume
1.2847146750012E+25
Surface area
2.6527027105366E+17
Circumference
912891633.63346
Perimeter
581164864
Area
21109537446758656
Diagonal
205472808.16088
Surface area
126657224680551936
Volume
3.0670303648371E+24
Space diagonal
251651768.00546
Perimeter
435873648
Area
9.1406978455159E+15
Altitude
125825884.00273
Surface area
9.1406978455159E+15
Volume
3.6145299484689E+23
Height
68490936.053626