145431380 is an even 9-digits composite number following 145431379
and preceding 145431381 . In scientific notation, it is written as 1.45431380 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 58172544 positive integers (up to 145431380) that are relatively prime to 145431380.
145431380 has 12 divisors, whose sum is 305405940
The reverse of 145431380 is 083134541
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred forty-five million four hundred thirty-one thousand three hundred eighty
Scientific notation
1.45431380 × 10^8
Engineering notation
1.45431380 × 10^6
Prime Factorization
2 × 2 × 5 × 7271569
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
72715690
Product of the distinct prime numbers
The prime factorization of 145431380 is 2 × 2 × 5 × 7271569.
Since it has a total of 4 prime factors.
6 , 4 , 47 , 68 , 970 , 238 , 3872 , 851 , 26229 , 84127 , 308855 , 33464 , 6131643 , 5105772 , 215762 , 48986937 , 821855349 , 634914506 , 3941280395 , 5618816008
n×2
290862760
n×3
436294140
n×4
581725520
n×5
727156900
n÷2
72715690
n÷3
48477126.666667
n÷3
36357845
n÷5
29086276
n2
21150286288704400
n3
3.0759153223614E+24
n4
4.4733461009416E+32
n5
6.5056489667755E+40
2 √n
12059.493355859
3 √n
525.87925828621
4 √n
109.81572453824
5 √n
42.907343294089
1 , 2 , 4 , 5 , 10 , 20 , 7271569 , 14543138 , 29086276 , 36357845 , 72715690 , 145431380
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
-145431379
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 145431380 can be divided by 12 positive divisors.
The sum of these divisors (counting 145431380) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101010110001101101010100
3
Ternary
101010122200100102
4
Quaternary
20222301231110
5
Quinary
244212301010
6
Senary
22233033232
8
Octal
1052615524
10
Decimal
145431380
12
Duodecimal
40855818
16
Hexadecimal
8ab1b54
20
Vigesimal
258ii90
36
Base36
2el3kk
md5
58ff78412a4c9be7ed9f1ed9a8c7799a
sha1
5f7af1651415eccf651db3f0b0a87bdfeb278cca
sha256
c748d553fc33434cb4613d2df8b5907bf84528adb0fdc22d840822a9db68c1c8
sha512
c2cfbe63e278f8ff9c25dbd9b1a1ea87199dcae202527a81ec5d6397ef9688cf450edab3f8b28317d36a82f656d86cf534d0ce52c5b98651267e04e71c1c92bb
ripemd-160
da96d783adf16b77fdd8cf4a03f73a26b02f718b
Diameter
290862760
Circumference
913772310.01885
Area
6.6445584025915E+16
Volume
1.288436397306E+25
Surface area
2.6578233610366E+17
Circumference
913772310.01885
Perimeter
581725520
Area
21150286288704400
Diagonal
205671029.99064
Surface area
126901717732226400
Volume
3.0759153223614E+24
Space diagonal
251894539.17486
Perimeter
436294140
Area
9.1583426116659E+15
Altitude
125947269.58743
Surface area
9.1583426116659E+15
Volume
3.6250009713289E+23
Height
68557009.996878