129281142 is an even 9-digits composite number following 129281141
and preceding 129281143 . In scientific notation, it is written as 1.29281142 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 43002792 positive integers (up to 129281142) that are relatively prime to 129281142.
129281142 has 16 divisors, whose sum is 259107840
The reverse of 129281142 is 241182921
Previous prime number is 479
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-nine million two hundred eighty-one thousand one hundred forty-two
Scientific notation
1.29281142 × 10^8
Engineering notation
1.29281142 × 10^6
Prime Factorization
2 × 3 × 479 × 44983
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
129281142
Product of the distinct prime numbers
The prime factorization of 129281142 is 2 × 3 × 479 × 44983.
Since it has a total of 4 prime factors.
10 , 10 , 95 , 76 , 596 , 603 , 7702 , 4618 , 38333 , 75179 , 664817 , 364086 , 9046911 , 7719751 , 71686233 , 38314801 , 43961755 , 317255026 , 7470660610 , 1328471960
n×2
258562284
n×3
387843426
n×4
517124568
n×5
646405710
n÷2
64640571
n÷3
43093714
n÷3
32320285.5
n÷5
25856228.4
n2
16713613676824164
n3
2.1607550630866E+24
n4
2.7934488213812E+32
n5
3.6114025374672E+40
2 √n
11370.186542005
3 √n
505.64423481266
4 √n
106.63107681162
5 √n
41.908974697407
1 , 2 , 3 , 6 , 479 , 958 , 1437 , 2874 , 44983 , 89966 , 134949 , 269898 , 21546857 , 43093714 , 64640571 , 129281142
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-129281141
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 129281142 can be divided by 16 positive divisors.
The sum of these divisors (counting 129281142) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111101101001010110001110110
3
Ternary
100000021011101110
4
Quaternary
13231022301312
5
Quinary
231043444032
6
Senary
20454535450
8
Octal
755126166
10
Decimal
129281142
12
Duodecimal
37367586
16
Hexadecimal
7b4ac76
20
Vigesimal
20802h2
36
Base36
24yxyu
md5
0cf886f912f305c0a1904a05da7d418a
sha1
0a7e736c2d940d295f50a87e4b5b8dab91df27ac
sha256
3a40d24a0c316bc7716de92a1fc2490ca65a013f4caabf124b1f99b5245b29ed
sha512
dfa472c2b872a97d8af4c5c80d398b865b17246e4b4ac9ddb7f47607ec0ab4ea04ba3d10c1a13b6ab02651960734f4c70802f6dce3e9dfc019fc9964f438c669
ripemd-160
46b027f63735bf94e9fa46e724636fb04a71efeb
Diameter
258562284
Circumference
812297371.9098
Area
5.2507365942049E+16
Volume
9.0509496431999E+24
Surface area
2.1002946376819E+17
Circumference
812297371.9098
Perimeter
517124568
Area
16713613676824164
Diagonal
182831144.37548
Surface area
100281682060944984
Volume
2.1607550630866E+24
Space diagonal
223921506.40453
Perimeter
387843426
Area
7.2372070165844E+15
Altitude
111960753.20226
Surface area
7.2372070165844E+15
Volume
2.5464742626529E+23
Height
60943714.791827