145031815 is an odd 9-digits composite number following 145031814
and preceding 145031816 . In scientific notation, it is written as 1.45031815 × 10^8.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 115695360 positive integers (up to 145031815) that are relatively prime to 145031815.
145031815 has 8 divisors, whose sum is 174533328
The reverse of 145031815 is 518130541
Previous prime number is 353
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred forty-five million thirty-one thousand eight hundred fifteen
Scientific notation
1.45031815 × 10^8
Engineering notation
1.45031815 × 10^6
Prime Factorization
5 × 353 × 82171
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
145031815
Product of the distinct prime numbers
The prime factorization of 145031815 is 5 × 353 × 82171.
Since it has a total of 3 prime factors.
8 , 10 , 70 , 38 , 623 , 799 , 7837 , 4632 , 8005 , 63915 , 144172 , 949264 , 7788785 , 2883025 , 77169785 , 28524440 , 529430381 , 564861413 , 2810475431 , 4425031615
n×2
290063630
n×3
435095445
n×4
580127260
n×5
725159075
n÷2
72515907.5
n÷3
48343938.333333
n÷3
36257953.75
n÷5
29006363
n2
21034227362194225
n3
3.0506321714617E+24
n4
4.4243872072448E+32
n5
6.4167690692949E+40
2 √n
12042.915552307
3 √n
525.39720809416
4 √n
109.74021848123
5 √n
42.883740210718
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
-145031814
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 145031815 can be divided by 8 positive divisors.
The sum of these divisors (counting 145031815) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000101001010000001010000111
3
Ternary
101002220101020201
4
Quaternary
20221100022013
5
Quinary
244112004230
6
Senary
22220311331
8
Octal
1051201207
10
Decimal
145031815
12
Duodecimal
406a2547
16
Hexadecimal
8a50287
20
Vigesimal
2568jaf
36
Base36
2ecj9j
md5
e89fff6765a1d27fa6a52a9134d21626
sha1
ed5e5b987878e4861c64e867865f85c243f669ee
sha256
2a4f58aa55e6098a4c1e93c204f0661f85043016ed5c3db7ff53f62216c45762
sha512
3ac8ebfb85747afb39781fc318a662d7a711617367ae33d5e32bf6d27881c2715dd98e73e131a586d2f4afd345a08d90aa62f404bc5df21590beadf45b5eb642
ripemd-160
44a2fda0d25218631347a6a0b68d7b1b600ff4e2
Diameter
290063630
Circumference
911261769.08159
Area
6.6080974155007E+16
Volume
1.2778458158225E+25
Surface area
2.6432389662003E+17
Circumference
911261769.08159
Perimeter
580127260
Area
21034227362194225
Diagonal
205105959.74859
Surface area
126205364173165350
Volume
3.0506321714617E+24
Space diagonal
251202472.29393
Perimeter
435095445
Area
9.108087622319E+15
Altitude
125601236.14696
Surface area
9.108087622319E+15
Volume
3.595204492244E+23
Height
68368653.249529