142938761 is an odd 9-digits composite number following 142938760
and preceding 142938762 . In scientific notation, it is written as 1.42938761 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 122518932 positive integers (up to 142938761) that are relatively prime to 142938761.
142938761 has 4 divisors, whose sum is 163358592
The reverse of 142938761 is 167839241
Previous prime number is 7
Is Prime? no Number parity odd Number length 9 Sum of Digits 41 Digital Root 5
Name
one hundred forty-two million nine hundred thirty-eight thousand seven hundred sixty-one
Scientific notation
1.42938761 × 10^8
Engineering notation
1.42938761 × 10^6
Prime Factorization
7 × 20419823
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
142938761 Product of the distinct prime numbers
The prime factorization of 142938761 is 7 × 20419823.
Since it has a total of 2 prime factors.
4 , 1 , 41 , 2 , 241 , 83 , 6913 , 1699 , 26193 , 35595 , 772113 , 270097 , 8041992 , 9415908 , 49657176 , 53905619 , 41140059 , 72858730 , 3479286560 , 4544048020
n×2
285877522
n×3
428816283
n×4
571755044
n×5
714693805
n÷2
71469380.5
n÷3
47646253.666667
n÷3
35734690.25
n÷5
28587752.2
n2
20431489396215121
n3
2.9204517796796E+24
n4
4.1744575894765E+32
n5
5.9669179568682E+40
2 √n11955.699937687
3 √n522.85749486659
4 √n109.34212334543
5 √n42.759242478775
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
-142938760 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 142938761 can be divided by 4 positive divisors.
The sum of these divisors (counting 142938761) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100001010001001010001001
3
Ternary
100221222001010012
4
Quaternary
20201101022021
5
Quinary
243043020021
6
Senary
22103401305
8
Octal
1041211211
10
Decimal
142938761
12
Duodecimal
3ba53235
16
Hexadecimal
8851289
20
Vigesimal
24d76i1
36
Base36
2d3o95
md5
0d35967f4ce18dc1cebd7948bfaa9092
sha1
54cee25857910fd7d1651b869f2fba3387e5c853
sha256
c81480a8b54ed1f8fb01d2a5175cc8c84b96089af69d377111cbecab3af248eb
sha512
da0b59f268a5f4a57a4a8662f9bd57076030bcd63b083b5701457b10c953f84191e633377d7c85b0811956146fe8fb4bfb177de9d3c03cfd5ff3229d254bf3b8
ripemd-160
b148cba11232bae774c650966856ce30a339b428
Diameter
285877522
Circumference
898110722.94165
Area
6.4187416989047E+16
Volume
1.2233159808273E+25
Surface area
2.5674966795619E+17
Circumference
898110722.94165
Perimeter
571755044
Area
20431489396215121
Diagonal
202145934.39501
Surface area
122588936377290726
Volume
2.9204517796796E+24
Space diagonal
247577196.42294
Perimeter
428816283
Area
8.8470944271373E+15
Altitude
123788598.21147
Surface area
8.8470944271373E+15
Volume
3.441785429233E+23
Height
67381978.131669