145425821 is an odd 9-digits composite number following 145425820
and preceding 145425822 . In scientific notation, it is written as 1.45425821 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 143377500 positive integers (up to 145425821) that are relatively prime to 145425821.
145425821 has 4 divisors, whose sum is 147474144
The reverse of 145425821 is 128524541
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred forty-five million four hundred twenty-five thousand eight hundred twenty-one
Scientific notation
1.45425821 × 10^8
Engineering notation
1.45425821 × 10^6
Prime Factorization
71 × 2048251
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
145425821
Product of the distinct prime numbers
The prime factorization of 145425821 is 71 × 2048251.
Since it has a total of 2 prime factors.
4 , 10 , 91 , 66 , 849 , 374 , 1847 , 9962 , 12093 , 27439 , 689253 , 131902 , 3529922 , 2884034 , 7785122 , 56872014 , 476453425 , 921264635 , 8428381374 , 661745854
n×2
290851642
n×3
436277463
n×4
581703284
n×5
727129105
n÷2
72712910.5
n÷3
48475273.666667
n÷3
36356455.25
n÷5
29085164.2
n2
21148669413524041
n3
3.0755626125193E+24
n4
4.4726621796253E+32
n5
6.5044056952765E+40
2 √n
12059.262871337
3 √n
525.87255776063
4 √n
109.8146751183
5 √n
42.90701526919
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-145425820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 145425821 can be divided by 4 positive divisors.
The sum of these divisors (counting 145425821) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101010110000010110011101
3
Ternary
101010122101201112
4
Quaternary
20222300112131
5
Quinary
244212111241
6
Senary
22232551405
8
Octal
1052602635
10
Decimal
145425821
12
Duodecimal
40852565
16
Hexadecimal
8ab059d
20
Vigesimal
258i4b1
36
Base36
2ekza5
md5
a479dd9865edc9a87843ea3707be2dc8
sha1
9304114dfd01105f22242b936db3f4d5c426afa8
sha256
fefc6563f42ac7fed5b8d5ebf8abc0980965399c0f6d6f26390b77b7a363e654
sha512
618a8092ebdb31d5f8dea9a3af79a04de45b7a59179aeab320b239323aae09c06aa682ce05cb6c73edc380108c79c2bde103d63b50ec44ca94dddde49d4cf149
ripemd-160
a5af1d1d0baba61a977a21e7bdece7a8dc93498e
Diameter
290851642
Circumference
913737381.79173
Area
6.6440504462726E+16
Volume
1.2882886545528E+25
Surface area
2.6576201785091E+17
Circumference
913737381.79173
Perimeter
581703284
Area
21148669413524041
Diagonal
205663168.37744
Surface area
126892016481144246
Volume
3.0755626125193E+24
Space diagonal
251884910.70442
Perimeter
436277463
Area
9.1576424841754E+15
Altitude
125942455.35221
Surface area
9.1576424841754E+15
Volume
3.6245852987937E+23
Height
68554389.459147