145406985 is an odd 9-digits composite number following 145406984
and preceding 145406986 . In scientific notation, it is written as 1.45406985 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 77209920 positive integers (up to 145406985) that are relatively prime to 145406985.
145406985 has 16 divisors, whose sum is 233672640
The reverse of 145406985 is 589604541
Previous prime number is 229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred forty-five million four hundred six thousand nine hundred eighty-five
Scientific notation
1.45406985 × 10^8
Engineering notation
1.45406985 × 10^6
Prime Factorization
5 × 3 × 229 × 42331
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
145406985
Product of the distinct prime numbers
The prime factorization of 145406985 is 5 × 3 × 229 × 42331.
Since it has a total of 4 prime factors.
4 , 8 , 85 , 12 , 181 , 448 , 4113 , 4451 , 75595 , 28161 , 142273 , 983692 , 8998774 , 8949098 , 60225188 , 56273721 , 691509870 , 64103970 , 7792197663 , 7625508545
n×2
290813970
n×3
436220955
n×4
581627940
n×5
727034925
n÷2
72703492.5
n÷3
48468995
n÷3
36351746.25
n÷5
29081397
n2
21143191286790225
n3
3.0743676982904E+24
n4
4.470345377898E+32
n5
6.5001944330884E+40
2 √n
12058.481869622
3 √n
525.8498525695
4 √n
109.81111906188
5 √n
42.90590372186
1 , 3 , 5 , 15 , 229 , 687 , 1145 , 3435 , 42331 , 126993 , 211655 , 634965 , 9693799 , 29081397 , 48468995 , 145406985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-145406984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 145406985 can be divided by 16 positive divisors.
The sum of these divisors (counting 145406985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101010101011110000001001
3
Ternary
101010121102212220
4
Quaternary
20222223300021
5
Quinary
244211010420
6
Senary
22232324253
8
Octal
1052536011
10
Decimal
145406985
12
Duodecimal
40843689
16
Hexadecimal
8aabc09
20
Vigesimal
258fh95
36
Base36
2ekkqx
md5
3a7662601b7aa5af5f882ef4920ea9fa
sha1
bbb5e5739252926b7dca5d3f0769431b52474df3
sha256
9f8a6dd21350468fb1e316a2acf5121832f78927381a51593fe8cfde2dd19c9e
sha512
b83f4d66733df9beedb04936368a407618372cb0e1514c3c6e937ee2eb47f97c0c8472a16a1377d4c9d083baa664bad00247667ebcbace3be2a9fab34da799fe
ripemd-160
ac2c7573d7c75afb20bc439c7777db4abbdf541a
Diameter
290813970
Circumference
913619031.71328
Area
6.6423294420024E+16
Volume
1.2877881300511E+25
Surface area
2.656931776801E+17
Circumference
913619031.71328
Perimeter
581627940
Area
21143191286790225
Diagonal
205636530.25078
Surface area
126859147720741350
Volume
3.0743676982904E+24
Space diagonal
251852285.79541
Perimeter
436220955
Area
9.1552703857171E+15
Altitude
125926142.8977
Surface area
9.1552703857171E+15
Volume
3.6231770788701E+23
Height
68545510.083594