142809871 is an odd 9-digits composite number following 142809870
and preceding 142809872 . In scientific notation, it is written as 1.42809871 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 135128088 positive integers (up to 142809871) that are relatively prime to 142809871.
142809871 has 8 divisors, whose sum is 150510080
The reverse of 142809871 is 178908241
Previous prime number is 907
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
one hundred forty-two million eight hundred nine thousand eight hundred seventy-one
Scientific notation
1.42809871 × 10^8
Engineering notation
1.42809871 × 10^6
Prime Factorization
19 × 907 × 8287
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
142809871
Product of the distinct prime numbers
The prime factorization of 142809871 is 19 × 907 × 8287.
Since it has a total of 3 prime factors.
9 , 6 , 81 , 16 , 714 , 686 , 9685 , 6036 , 34814 , 86167 , 612840 , 179026 , 8881906 , 8464408 , 2672594 , 73816858 , 726357611 , 64906209 , 8699621466 , 2264842961
n×2
285619742
n×3
428429613
n×4
571239484
n×5
714049355
n÷2
71404935.5
n÷3
47603290.333333
n÷3
35702467.75
n÷5
28561974.2
n2
20394659255036641
n3
2.9125586573007E+24
n4
4.1594212612905E+32
n5
5.9400641375956E+40
2 √n
11950.308406062
3 √n
522.70029148792
4 √n
109.31746615277
5 √n
42.751528367323
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
-142809870
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 142809871 can be divided by 8 positive divisors.
The sum of these divisors (counting 142809871) is 1, the average is 0.125.
Base
System
Value
2
Binary
1000100000110001101100001111
3
Ternary
100221201111022111
4
Quaternary
20200301230033
5
Quinary
243024403441
6
Senary
22100524451
8
Octal
1040615417
10
Decimal
142809871
12
Duodecimal
3b9b0727
16
Hexadecimal
8831b0f
20
Vigesimal
24cb4db
36
Base36
2d0wsv
md5
aa976eae0ebce491a7da139c6ce7cc64
sha1
1e47f8a3f75b13533b3b87a5b0738ecb45aa9b1f
sha256
c11d1e11e603eb91e7ea7cbcc1e75ec9da3ab63b30b1d30b0c034daca94481c5
sha512
7d52d6effda617e8a54ed35a67055851818b86e466d95d1537aec1983d125ae1b98d63c286cdef92f62a1511d27d18b452781a263378a40569d5c4d6e54b0eb9
ripemd-160
ebe60ef406642ef2ceac72b17ca21874fdafd50f
Diameter
285619742
Circumference
897300883.18741
Area
6.407171168809E+16
Volume
1.2200097174567E+25
Surface area
2.5628684675236E+17
Circumference
897300883.18741
Perimeter
571239484
Area
20394659255036641
Diagonal
201963656.40895
Surface area
122367955530219846
Volume
2.9125586573007E+24
Space diagonal
247353952.39436
Perimeter
428429613
Area
8.8311465081946E+15
Altitude
123676976.19718
Surface area
8.8311465081946E+15
Volume
3.4324832953016E+23
Height
67321218.802984