20129756 is an even 8-digits composite number following 20129755
and preceding 20129757 . In scientific notation, it is written as 2.0129756 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 9899760 positive integers (up to 20129756) that are relatively prime to 20129756.
20129756 has 12 divisors, whose sum is 35805000
The reverse of 20129756 is 65792102
Previous prime number is 61
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred twenty-nine thousand seven hundred fifty-six
Scientific notation
2.0129756 × 10^7
Engineering notation
2.0129756 × 10^6
Prime Factorization
2 × 2 × 61 × 82499
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10064878
Product of the distinct prime numbers
The prime factorization of 20129756 is 2 × 2 × 61 × 82499.
Since it has a total of 4 prime factors.
3 , 4 , 72 , 57 , 35 , 702 , 1785 , 4129 , 30836 , 80519 , 391062 , 923621 , 8387977 , 6394104 , 32918472 , 87686622 , 561371720 , 1910611 , 9126174490 , 3266775463
n×2
40259512
n×3
60389268
n×4
80519024
n×5
100648780
n÷2
10064878
n÷3
6709918.6666667
n÷3
5032439
n÷5
4025951.2
n2
405207076619536
n3
8.1567195818246E+21
n4
1.6419277494255E+29
n5
3.3051604965565E+36
2 √n
4486.6196629534
3 √n
272.02751667987
4 √n
66.982233935226
5 √n
28.891341127691
1 , 2 , 4 , 61 , 122 , 244 , 82499 , 164998 , 329996 , 5032439 , 10064878 , 20129756
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20129755
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20129756 can be divided by 12 positive divisors.
The sum of these divisors (counting 20129756) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100110010011111011100
3
Ternary
1101212200211112
4
Quaternary
1030302133130
5
Quinary
20123123011
6
Senary
1555241152
8
Octal
114623734
10
Decimal
20129756
12
Duodecimal
68a91b8
16
Hexadecimal
13327dc
20
Vigesimal
65g47g
36
Base36
bzg7w
md5
50ffa829427823fc615a3fd54740486d
sha1
c0aea3212ca4ed4a67a5006e7aef88530018b39f
sha256
ac607f9b0b3356417043bcddec96e0a1ba02119e41bb9b9033606b4b5c73b6cc
sha512
10dc862b2624a447fdce65e003523dc392883e0a5ae49ebc4deb4345d486c2d924978d2cf25af9d2129d2b8d42fd88c19e63b972168fcff6e8e066638e73c942
ripemd-160
f247944fc05293733298d54df8acaccf98e8b54e
Diameter
40259512
Circumference
126478987.13631
Area
1.2729955750905E+15
Volume
3.4166787087536E+22
Surface area
5.0919823003621E+15
Circumference
126478987.13631
Perimeter
80519024
Area
405207076619536
Diagonal
28467773.942461
Surface area
2431242459717216
Volume
8.1567195818246E+21
Space diagonal
34865760.135964
Perimeter
60389268
Area
1.7545981107287E+14
Altitude
17432880.067982
Surface area
1.7545981107287E+14
Volume
9.6127862142421E+20
Height
9489257.9808204