142740905 is an odd 9-digits composite number following 142740904
and preceding 142740906 . In scientific notation, it is written as 1.42740905 × 10^8.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 114076800 positive integers (up to 142740905) that are relatively prime to 142740905.
142740905 has 8 divisors, whose sum is 171462984
The reverse of 142740905 is 509047241
Previous prime number is 1021
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred forty-two million seven hundred forty thousand nine hundred five
Scientific notation
1.42740905 × 10^8
Engineering notation
1.42740905 × 10^6
Prime Factorization
5 × 1021 × 27961
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
142740905
Product of the distinct prime numbers
The prime factorization of 142740905 is 5 × 1021 × 27961.
Since it has a total of 3 prime factors.
9 , 2 , 64 , 40 , 238 , 624 , 8905 , 3319 , 9626 , 40077 , 579660 , 596376 , 2162937 , 8800168 , 23107851 , 33451352 , 186317161 , 591245943 , 9140275898 , 7721136250
n×2
285481810
n×3
428222715
n×4
570963620
n×5
713704525
n÷2
71370452.5
n÷3
47580301.666667
n÷3
35685226.25
n÷5
28548181
n2
20374965960219025
n3
2.9083410805059E+24
n4
4.1513923788008E+32
n5
5.9257350516013E+40
2 √n
11947.422525382
3 √n
522.61613681783
4 √n
109.30426581512
5 √n
42.747398440465
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
-142740904
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 142740905 can be divided by 8 positive divisors.
The sum of these divisors (counting 142740905) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100000100000110110101001
3
Ternary
100221120222201012
4
Quaternary
20200200312221
5
Quinary
243020202110
6
Senary
22055233305
8
Octal
1040406651
10
Decimal
142740905
12
Duodecimal
3b978835
16
Hexadecimal
8820da9
20
Vigesimal
24c2c55
36
Base36
2czfl5
md5
9d76c08c9438ba8912159ac89b466aeb
sha1
b82dda05539d06c1d1f9e28d165e6e40daa25099
sha256
c9843d69874eae0d5f81dde305fabdeff00ddbd2516909961c0638af15d6c622
sha512
dc8c0fc79f5f2380970c27d16c920ea4b4d6d7f5284cdce50a67ca3db295bebf8ee917ae6d00417d62026a83366704c3b5e9dad9ae038f43a653eb7219c0a2dd
ripemd-160
6192d99a45691c9cdedcab2e01dc71e724755a35
Diameter
285481810
Circumference
896867557.02952
Area
6.4009843377766E+16
Volume
1.2182430630201E+25
Surface area
2.5603937351106E+17
Circumference
896867557.02952
Perimeter
570963620
Area
20374965960219025
Diagonal
201866123.75641
Surface area
122249795761314150
Volume
2.9083410805059E+24
Space diagonal
247234499.77836
Perimeter
428222715
Area
8.8226190613964E+15
Altitude
123617249.88918
Surface area
8.8226190613964E+15
Volume
3.4275128333818E+23
Height
67288707.918803