142488909 is an odd 9-digits composite number following 142488908
and preceding 142488910 . In scientific notation, it is written as 1.42488909 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 94420800 positive integers (up to 142488909) that are relatively prime to 142488909.
142488909 has 8 divisors, whose sum is 148655808
The reverse of 142488909 is 909884241
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred forty-two million four hundred eighty-eight thousand nine hundred nine
Scientific notation
1.42488909 × 10^8
Engineering notation
1.42488909 × 10^6
Prime Factorization
27 × 167 × 31601
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
142488909
Product of the distinct prime numbers
The prime factorization of 142488909 is 27 × 167 × 31601.
Since it has a total of 3 prime factors.
4 , 7 , 53 , 10 , 224 , 439 , 1276 , 2147 , 28050 , 56767 , 47444 , 416737 , 9606513 , 8049340 , 48959009 , 48946347 , 875017104 , 127227224 , 8624705725 , 9653560404
n×2
284977818
n×3
427466727
n×4
569955636
n×5
712444545
n÷2
71244454.5
n÷3
47496303
n÷3
35622227.25
n÷5
28497781.8
n2
20303089188010281
n3
2.8929650277293E+24
n4
4.122154305763E+32
n5
5.8736126975782E+40
2 √n
11936.871826404
3 √n
522.30841201187
4 √n
109.25599217619
5 √n
42.732294447115
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-142488908
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 142488909 can be divided by 8 positive divisors.
The sum of these divisors (counting 142488909) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000011111100011010101001101
3
Ternary
100221010012001000
4
Quaternary
20133203111031
5
Quinary
242434121114
6
Senary
22050010513
8
Octal
1037432515
10
Decimal
142488909
12
Duodecimal
3b876a39
16
Hexadecimal
87e354d
20
Vigesimal
24ab259
36
Base36
2cu159
md5
d7cd7dc8469e1695738a3b19d3d3c7b7
sha1
42b0afc2c6de68174862e071cf10a5220e7b1f75
sha256
454afb57283c07de2d54ed786b52ce548e48704dc425e07f2d553d7c06d39441
sha512
eec4cf4ddff7f96bb0979c43976fbed0319ea57c52b5254ef7f633d6ba4b4980cd532c66582a3c861d2d50fd2997a7abbf3f48ad98a8bbc6cdf66a1e14053388
ripemd-160
35a930e29799309d0aec750065a57c0e769e4bc9
Diameter
284977818
Circumference
895284219.46485
Area
6.3784035838231E+16
Volume
1.2118023570942E+25
Surface area
2.5513614335293E+17
Circumference
895284219.46485
Perimeter
569955636
Area
20303089188010281
Diagonal
201509747.59555
Surface area
121818535128061686
Volume
2.8929650277293E+24
Space diagonal
246798029.90306
Perimeter
427466727
Area
8.791495506059E+15
Altitude
123399014.95153
Surface area
8.791495506059E+15
Volume
3.4093919814048E+23
Height
67169915.865182