129402281 is an odd 9-digits composite number following 129402280
and preceding 129402282 . In scientific notation, it is written as 1.29402281 × 10^8.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 127208964 positive integers (up to 129402281) that are relatively prime to 129402281.
129402281 has 4 divisors, whose sum is 131595600
The reverse of 129402281 is 182204921
Previous prime number is 59
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred twenty-nine million four hundred two thousand two hundred eighty-one
Scientific notation
1.29402281 × 10^8
Engineering notation
1.29402281 × 10^6
Prime Factorization
59 × 2193259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
129402281
Product of the distinct prime numbers
The prime factorization of 129402281 is 59 × 2193259.
Since it has a total of 2 prime factors.
3 , 1 , 50 , 79 , 187 , 295 , 2372 , 5437 , 66741 , 1839 , 488980 , 217996 , 8942519 , 4143256 , 8318531 , 82607406 , 715482788 , 449585216 , 1060040357 , 7872136558
n×2
258804562
n×3
388206843
n×4
517609124
n×5
647011405
n÷2
64701140.5
n÷3
43134093.666667
n÷3
32350570.25
n÷5
25880456.2
n2
16744950328002961
n3
2.1668347676753E+24
n4
2.8039336148729E+32
n5
3.6283540553712E+40
2 √n
11375.51234011
3 √n
505.80211840943
4 √n
106.65604689895
5 √n
41.916825663831
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
-129402280
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 129402281 can be divided by 4 positive divisors.
The sum of these divisors (counting 129402281) is 1, the average is 0.25.
Base
System
Value
2
Binary
111101101101000010110101001
3
Ternary
100000111022120002
4
Quaternary
13231220112221
5
Quinary
231111333111
6
Senary
20501312345
8
Octal
755502651
10
Decimal
129402281
12
Duodecimal
374056b5
16
Hexadecimal
7b685a9
20
Vigesimal
208f5e1
36
Base36
251jft
md5
93c6241d7b794d38f22d26d52fbcbf15
sha1
038b65d67c1900b0f624bcd3c93b0316ff4502fa
sha256
ef6233479d6082bfc3e53fed479d2829eaa520e75c5cd0649b6af4a1d995874f
sha512
035404f08088d28b845a003aae9cd6e4f2af7f39ad86e03df31fe103bbd83e60ad6865da4a1e28df196d522f19b2ed9bdc2432e20a9594ec8e09ca756bbfbd5b
ripemd-160
572d029d7c771779e36484beb4efa399dcd63bbb
Diameter
258804562
Circumference
813058510.69472
Area
5.260581293518E+16
Volume
9.0764162502288E+24
Surface area
2.1042325174072E+17
Circumference
813058510.69472
Perimeter
517609124
Area
16744950328002961
Diagonal
183002460.79221
Surface area
100469701968017766
Volume
2.1668347676753E+24
Space diagonal
224131325.3073
Perimeter
388206843
Area
7.2507761845796E+15
Altitude
112065662.65365
Surface area
7.2507761845796E+15
Volume
2.5536392632233E+23
Height
61000820.264071