129636021 is an odd 9-digits composite number following 129636020
and preceding 129636022 . In scientific notation, it is written as 1.29636021 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 86383952 positive integers (up to 129636021) that are relatively prime to 129636021.
129636021 has 8 divisors, whose sum is 172928160
The reverse of 129636021 is 120636921
Previous prime number is 2459
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred twenty-nine million six hundred thirty-six thousand twenty-one
Scientific notation
1.29636021 × 10^8
Engineering notation
1.29636021 × 10^6
Prime Factorization
3 × 2459 × 17573
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
129636021
Product of the distinct prime numbers
The prime factorization of 129636021 is 3 × 2459 × 17573.
Since it has a total of 3 prime factors.
2 , 7 , 100 , 39 , 156 , 867 , 4997 , 4921 , 8245 , 20392 , 425966 , 15006 , 1684536 , 4228993 , 13865287 , 27064875 , 52081800 , 133701651 , 2140800962 , 3716432793
n×2
259272042
n×3
388908063
n×4
518544084
n×5
648180105
n÷2
64818010.5
n÷3
43212007
n÷3
32409005.25
n÷5
25927204.2
n2
16805497940712441
n3
2.1785978839577E+24
n4
2.8242476103529E+32
n5
3.6612422252491E+40
2 √n
11385.781527853
3 √n
506.10647954177
4 √n
106.70417764949
5 √n
41.931957649771
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
-129636020
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 129636021 can be divided by 8 positive divisors.
The sum of these divisors (counting 129636021) is 1, the average is 0.125.
Base
System
Value
2
Binary
111101110100001011010110101
3
Ternary
100000221012012010
4
Quaternary
13232201122311
5
Quinary
231141323041
6
Senary
20510314433
8
Octal
756413265
10
Decimal
129636021
12
Duodecimal
374b8a19
16
Hexadecimal
7ba16b5
20
Vigesimal
20a4a11
36
Base36
256jsl
md5
fc1da9eba4468fbe58dcd36975d66048
sha1
bfa884b307b87b2263031e9404dc66c324984597
sha256
2fcbbacb17ab8baa4c4804c206e951707bd8d5f67c5ccf36901508508f8cc2e4
sha512
11f2213b4c6da83184abe17ec6cf4b40fb34d90b7348ac4d180d894a5d76ead7ae95a8c93d6fd2bf390f85942110f7824c47d1276dcdc18ecee1a1d614cbe6d0
ripemd-160
f5b2b3b698eeda28604cea75168b4a6bd9083fe3
Diameter
259272042
Circumference
814527142.42842
Area
5.2796028870461E+16
Volume
9.1256894764902E+24
Surface area
2.1118411548184E+17
Circumference
814527142.42842
Perimeter
518544084
Area
16805497940712441
Diagonal
183333019.07028
Surface area
100832987644274646
Volume
2.1785978839577E+24
Space diagonal
224536174.86307
Perimeter
388908063
Area
7.276994069952E+15
Altitude
112268087.43153
Surface area
7.276994069952E+15
Volume
2.5675022287085E+23
Height
61111006.356761