145281618 is an even 9-digits composite number following 145281617
and preceding 145281619 . In scientific notation, it is written as 1.45281618 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 48427200 positive integers (up to 145281618) that are relatively prime to 145281618.
145281618 has 12 divisors, whose sum is 314776878
The reverse of 145281618 is 816182541
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
one hundred forty-five million two hundred eighty-one thousand six hundred eighteen
Scientific notation
1.45281618 × 10^8
Engineering notation
1.45281618 × 10^6
Prime Factorization
2 × 3 × 3 × 8071201
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
48427206
Product of the distinct prime numbers
The prime factorization of 145281618 is 2 × 3 × 3 × 8071201.
Since it has a total of 4 prime factors.
6 , 4 , 33 , 98 , 849 , 113 , 5890 , 4890 , 30340 , 73234 , 892314 , 768052 , 9978872 , 3890236 , 97085211 , 13626952 , 190033918 , 291039086 , 3434911770 , 1633789836
n×2
290563236
n×3
435844854
n×4
581126472
n×5
726408090
n÷2
72640809
n÷3
48427206
n÷3
36320404.5
n÷5
29056323.6
n2
21106748528697924
n3
3.0664225769684E+24
n4
4.4549483345369E+32
n5
6.4722210214793E+40
2 √n
12053.282457488
3 √n
525.69868336735
4 √n
109.78744216662
5 √n
42.898502646247
1 , 2 , 3 , 6 , 9 , 18 , 8071201 , 16142402 , 24213603 , 48427206 , 72640809 , 145281618
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
-145281617
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 145281618 can be divided by 12 positive divisors.
The sum of these divisors (counting 145281618) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101010001101001001010010
3
Ternary
101010101001220200
4
Quaternary
20222031021102
5
Quinary
244143002433
6
Senary
22225520030
8
Octal
1052151122
10
Decimal
145281618
12
Duodecimal
407a3016
16
Hexadecimal
8a8d252
20
Vigesimal
258040i
36
Base36
2ehw0i
md5
43092873eff8e97d6989fb9d1af7e9a0
sha1
87864ba8cb3a1259e2d2a8ab49c8c78c7f677108
sha256
1aa8c52c524218dfac930b11d57500e4c18ba30d1cd4c2b4ab55a0cc15641ce0
sha512
66ae5a1f099ad3ee870b17ba1e1baa2c58385ef9b818f94566dfcbbb6a18b3fc7522648a91856095a22ae0877bbd6c663c644ca69afd0c3771463f2a1f58fadf
ripemd-160
6d815481744830457e8851ce3faf052219eb5b09
Diameter
290563236
Circumference
912831327.62088
Area
6.6308806118925E+16
Volume
1.2844600854141E+25
Surface area
2.652352244757E+17
Circumference
912831327.62088
Perimeter
581126472
Area
21106748528697924
Diagonal
205459234.53911
Surface area
126640491172187544
Volume
3.0664225769684E+24
Space diagonal
251635143.78181
Perimeter
435844854
Area
9.1394902085711E+15
Altitude
125817571.89091
Surface area
9.1394902085711E+15
Volume
3.6138136635964E+23
Height
68486411.513036