145439689 is an odd 9-digits composite number following 145439688
and preceding 145439690 . In scientific notation, it is written as 1.45439689 × 10^8.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 145409040 positive integers (up to 145439689) that are relatively prime to 145439689.
145439689 has 4 divisors, whose sum is 145470340
The reverse of 145439689 is 986934541
Previous prime number is 5869
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred forty-five million four hundred thirty-nine thousand six hundred eighty-nine
Scientific notation
1.45439689 × 10^8
Engineering notation
1.45439689 × 10^6
Prime Factorization
5869 × 24781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
145439689
Product of the distinct prime numbers
The prime factorization of 145439689 is 5869 × 24781.
Since it has a total of 2 prime factors.
8 , 1 , 69 , 75 , 943 , 128 , 4547 , 5040 , 28139 , 2884 , 875626 , 800282 , 4756184 , 8115618 , 53269914 , 54890025 , 773612596 , 359547858 , 9811418911 , 6182130564
n×2
290879378
n×3
436319067
n×4
581758756
n×5
727198445
n÷2
72719844.5
n÷3
48479896.333333
n÷3
36359922.25
n÷5
29087937.8
n2
21152703136416721
n3
3.0764425656698E+24
n4
4.4743684997737E+32
n5
6.5075076307849E+40
2 √n
12059.837851315
3 √n
525.8892731985
4 √n
109.8172930431
5 √n
42.907833572003
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
-145439688
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 145439689 can be divided by 4 positive divisors.
The sum of these divisors (counting 145439689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000101010110011101111001001
3
Ternary
101010200002202011
4
Quaternary
20222303233021
5
Quinary
244213032224
6
Senary
22233135521
8
Octal
1052635711
10
Decimal
145439689
12
Duodecimal
4085a5a1
16
Hexadecimal
8ab3bc9
20
Vigesimal
258jj49
36
Base36
2el9zd
md5
4cf8c72d0c2f98fbc4b184ec6db22c8f
sha1
484e1c2f4b5f42c700f16548c3f3bb2c5989dba6
sha256
2b7df3b587e7dbd139258c2f6dfe7de5b2e538edf2ceb247c00963fbfd39d063
sha512
70e847246981103961b0786f783366c2f3f325b2963393478ae21e9d58259a862f6fe3ed3414cc25df1febb29b64cd25552e76f2a59d16a0a3deb717a4bfc187
ripemd-160
58ae5be0b6b407cbc2dde603d5327d5239f68744
Diameter
290879378
Circumference
913824517.00557
Area
6.6453176776933E+16
Volume
1.2886572484665E+25
Surface area
2.6581270710773E+17
Circumference
913824517.00557
Perimeter
581758756
Area
21152703136416721
Diagonal
205682780.69113
Surface area
126916218818500326
Volume
3.0764425656698E+24
Space diagonal
251908930.78502
Perimeter
436319067
Area
9.1593891374238E+15
Altitude
125954465.39251
Surface area
9.1593891374238E+15
Volume
3.6256223335267E+23
Height
68560926.897042