145439893 is an odd 9-digits composite number following 145439892
and preceding 145439894 . In scientific notation, it is written as 1.45439893 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 145076800 positive integers (up to 145439893) that are relatively prime to 145439893.
145439893 has 4 divisors, whose sum is 145802988
The reverse of 145439893 is 398934541
Previous prime number is 401
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
one hundred forty-five million four hundred thirty-nine thousand eight hundred ninety-three
Scientific notation
1.45439893 × 10^8
Engineering notation
1.45439893 × 10^6
Prime Factorization
401 × 362693
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
145439893
Product of the distinct prime numbers
The prime factorization of 145439893 is 401 × 362693.
Since it has a total of 2 prime factors.
8 , 7 , 17 , 15 , 411 , 121 , 292 , 357 , 13899 , 3944 , 563162 , 482309 , 709999 , 4591227 , 25974432 , 73629743 , 959598438 , 870935981 , 7953688402 , 9735913412
n×2
290879786
n×3
436319679
n×4
581759572
n×5
727199465
n÷2
72719946.5
n÷3
48479964.333333
n÷3
36359973.25
n÷5
29087978.6
n2
21152762475851449
n3
3.0764555111422E+24
n4
4.4743936035979E+32
n5
6.5075532694716E+40
2 √n
12059.846309137
3 √n
525.88951907674
4 √n
109.8173315517
5 √n
42.907845608873
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
-145439892
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 145439893 can be divided by 4 positive divisors.
The sum of these divisors (counting 145439893) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101010110011110010010101
3
Ternary
101010200010000201
4
Quaternary
20222303302111
5
Quinary
244213034033
6
Senary
22233140501
8
Octal
1052636225
10
Decimal
145439893
12
Duodecimal
4085a731
16
Hexadecimal
8ab3c95
20
Vigesimal
258jjed
36
Base36
2ela51
md5
aa1e350f1e71c74b3ae4db4f78dd7243
sha1
4c6f9c25f401eb862393e306a4d6f1ee53d6d48d
sha256
3e3f3ec619362510d1a98dc9ae6c44f519d5671d22203d8a7fad4b614a53aad4
sha512
e1a13132824a7bb8056e10bec260ffa15b210255bed44eb0c6feac1ab0cc1de7d77f28b4065e4a6b2c5173f47695f332d68cb6340aab656ea95594caea0ec3de
ripemd-160
326991e9b2b650296f33eb791a057e35b48a1c90
Diameter
290879786
Circumference
913825798.77537
Area
6.6453363197265E+16
Volume
1.2886626710534E+25
Surface area
2.6581345278906E+17
Circumference
913825798.77537
Perimeter
581759572
Area
21152762475851449
Diagonal
205683069.19069
Surface area
126916574855108694
Volume
3.0764555111422E+24
Space diagonal
251909284.12338
Perimeter
436319679
Area
9.1594148321528E+15
Altitude
125954642.06169
Surface area
9.1594148321528E+15
Volume
3.6256375899124E+23
Height
68561023.063564