142887789 is an odd 9-digits composite number following 142887788
and preceding 142887790 . In scientific notation, it is written as 1.42887789 × 10^8.
The sum of its digits is 54. It has a total of 2 prime factors and 4 positive divisors.
There are 86598600 positive integers (up to 142887789) that are relatively prime to 142887789.
142887789 has 4 divisors, whose sum is 144331200
The reverse of 142887789 is 987788241
Previous prime number is 99
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
one hundred forty-two million eight hundred eighty-seven thousand seven hundred eighty-nine
Scientific notation
1.42887789 × 10^8
Engineering notation
1.42887789 × 10^6
Prime Factorization
99 × 1443311
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
142887789
Product of the distinct prime numbers
The prime factorization of 142887789 is 99 × 1443311.
Since it has a total of 2 prime factors.
5 , 6 , 82 , 30 , 215 , 417 , 7319 , 4101 , 57568 , 30862 , 489511 , 658296 , 3368417 , 820894 , 52898806 , 34188158 , 380679767 , 376893922 , 1824262516 , 6912313176
n×2
285775578
n×3
428663367
n×4
571551156
n×5
714438945
n÷2
71443894.5
n÷3
47629263
n÷3
35721947.25
n÷5
28577557.8
n2
20416920245308521
n3
2.9173285920415E+24
n4
4.1685063230329E+32
n5
5.9562865193069E+40
2 √n
11953.56804473
3 √n
522.79533710384
4 √n
109.33237418409
5 √n
42.756192452251
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
-142887788
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 142887789 can be divided by 4 positive divisors.
The sum of these divisors (counting 142887789) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100001000100101101101101
3
Ternary
100221212110012100
4
Quaternary
20201010231231
5
Quinary
243034402124
6
Senary
22102325313
8
Octal
1041045555
10
Decimal
142887789
12
Duodecimal
3ba29839
16
Hexadecimal
8844b6d
20
Vigesimal
24d0j99
36
Base36
2d2kx9
md5
c8b03f62d75457b7da67629c2bf29077
sha1
e580c134d673305a1874b3fc1c60ed2cc34b58e9
sha256
aba1f5ee10440dbc8e9ab7dea61895e42be6c6da856aef2a56b66829b58e89cd
sha512
f706fb68f49fb2a99470a16b892f54c4be30daa42b751fb42cad091a7f4fa0a0bcaea79821783f8af89ec2f69998e174aa1f9d576efcf4885a80c09ed72242c0
ripemd-160
18b796f483de5253c335ca0fac94ee325555aa7d
Diameter
285775578
Circumference
897790456.42018
Area
6.414164665159E+16
Volume
1.2220077430487E+25
Surface area
2.5656658660636E+17
Circumference
897790456.42018
Perimeter
571551156
Area
20416920245308521
Diagonal
202073849.10131
Surface area
122501521471851126
Volume
2.9173285920415E+24
Space diagonal
247488910.32918
Perimeter
428663367
Area
8.840785799739E+15
Altitude
123744455.16459
Surface area
8.840785799739E+15
Volume
3.4381047173032E+23
Height
67357949.700435