145890 is an even 6-digits composite number following 145889
and preceding 145891 . In scientific notation, it is written as 1.45890 × 10^5.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 38880 positive integers (up to 145890) that are relatively prime to 145890.
145890 has 16 divisors, whose sum is 291960
The reverse of 145890 is 098541
Previous prime number is 5
Is Prime? no
Number parity even
Number length 6
Sum of Digits 27
Digital Root 9
Name
one hundred forty-five thousand eight hundred ninety
Scientific notation
1.45890 × 10^5
Engineering notation
1.45890 × 10^3
Prime Factorization
2 × 9 × 5 × 1621
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
145890
Product of the distinct prime numbers
The prime factorization of 145890 is 2 × 9 × 5 × 1621.
Since it has a total of 4 prime factors.
10 , 6 , 39 , 35 , 698 , 127 , 7382 , 8903 , 42416 , 87575 , 113924 , 680750 , 9240765 , 3622906 , 34111213 , 28434960 , 560161151 , 818547475 , 8513441235 , 5466228292
n×2
291780
n×3
437670
n×4
583560
n×5
729450
n÷2
72945
n÷3
48630
n÷3
36472.5
n÷5
29178
n2
21283892100
n3
3105107018469000
n4
4.5300406292444E+20
n5
6.6088762740047E+25
2 √n
381.95549478964
3 √n
52.64314675559
4 √n
19.543681710201
5 √n
10.784626398671
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 1621 , 3242 , 8105 , 14589 , 16210 , 29178 , 72945 , 145890
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
-145889
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 145890 can be divided by 16 positive divisors.
The sum of these divisors (counting 145890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100011100111100010
3
Ternary
21102010100
4
Quaternary
203213202
5
Quinary
14132030
6
Senary
3043230
8
Octal
434742
10
Decimal
145890
12
Duodecimal
70516
16
Hexadecimal
239e2
20
Vigesimal
i4ea
36
Base36
34ki
md5
e1ab5f90d4de8e798e46c9eb1b080803
sha1
7df1b77d42306ae6bb72d2a7c29f0e4bc4f24c0e
sha256
085e69a40e58b41eaf36eda80f61b6803322a8e831a8c94f4a9526af621b3154
sha512
0fb7c72b6d4f3eb5d6e276a9020d3ed637009f044c63e4d0f18e0af1ea1ddb0923fc26d46c636be8f1c5c2a837ef61f1fb45c7b048c5551bf5ab99dd6e91a67e
ripemd-160
c0817f0a17834a2cfa73c3130e500fdb4b0445df
Diameter
291780
Circumference
916653.90446443
Area
66865319061.158
Volume
1.3006641863776E+16
Surface area
267461276244.63
Circumference
916653.90446443
Perimeter
583560
Area
21283892100
Diagonal
206319.61661461
Surface area
127703352600
Volume
3105107018469000
Space diagonal
252688.89231622
Perimeter
437670
Area
9216195625.0035
Altitude
126344.44615811
Surface area
9216195625.0035
Volume
3.6594037151156E+14
Height
68773.205538204