142743281 is an odd 9-digits prime number following 142743280
and preceding 142743282 . In scientific notation, it is written as 1.42743281 × 10^8.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 142743280 positive integers (up to 142743281) that are relatively prime to 142743281.
142743281 has 2 divisors, whose sum is 142743282
The reverse of 142743281 is 182347241
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 32 Digital Root 5
Name
one hundred forty-two million seven hundred forty-three thousand two hundred eighty-one
Scientific notation
1.42743281 × 10^8
Engineering notation
1.42743281 × 10^6
Prime Factorization
142743281
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
142743281 Product of the distinct prime numbers
The prime factorization of 142743281 is 142743281.
Since it has a total of 1 prime factors.
7 , 1 , 93 , 55 , 271 , 814 , 3261 , 2361 , 78605 , 2782 , 592100 , 605420 , 8397771 , 6790870 , 11750887 , 13731541 , 114635508 , 224468787 , 5863784990 , 1316166224
n×2
285486562
n×3
428229843
n×4
570973124
n×5
713716405
n÷2
71371640.5
n÷3
47581093.666667
n÷3
35685820.25
n÷5
28548656.2
n2
20375644270644961
n3
2.9084863156807E+24
n4
4.1516687944387E+32
n5
5.9262282534349E+40
2 √n11947.521960641
3 √n522.61903654502
4 √n109.30472066952
5 √n42.747540750257
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
142743282 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
71371641 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
11947.522002491 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999859888 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 142743281 can be divided by 2 positive divisors.
The sum of these divisors (counting 142743281) is 142743282, the average is 71371641.
Base
System
Value
2
Binary
1000100000100001011011110001
3
Ternary
100221121002222012
4
Quaternary
20200201123301
5
Quinary
243020241111
6
Senary
22055252305
8
Octal
1040413361
10
Decimal
142743281
12
Duodecimal
3b97a095
16
Hexadecimal
88216f1
20
Vigesimal
24c2i41
36
Base36
2czhf5
md5
92a153a571649a0d5d2f2636d9fc06a9
sha1
01671af8517c4b42d767c1f9210ab53e48640092
sha256
c152906c38cd0b640995bf6b0d65b173d53b871c1f571c898d208106905d0b6e
sha512
9d85f1d53a5bf90904d4640ef98f217b4fc84038194213af24af1c86f0eccb106bdef788241d98d6f12d277a5bb9fb6dfd3c8d0ea63e95b881f29cf9ba9895cb
ripemd-160
22545dce15f1ad909fb3759f986ca0a3425f499c
Diameter
285486562
Circumference
896882485.87781
Area
6.4011974352817E+16
Volume
1.2183038989879E+25
Surface area
2.5604789741127E+17
Circumference
896882485.87781
Perimeter
570973124
Area
20375644270644961
Diagonal
201869483.92783
Surface area
122253865623869766
Volume
2.9084863156807E+24
Space diagonal
247238615.13108
Perimeter
428229843
Area
8.8229127784267E+15
Altitude
123619307.56554
Surface area
8.8229127784267E+15
Volume
3.4276839946769E+23
Height
67289827.975945