20154729 is an odd 8-digits composite number following 20154728
and preceding 20154730 . In scientific notation, it is written as 2.0154729 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 11434080 positive integers (up to 20154729) that are relatively prime to 20154729.
20154729 has 24 divisors, whose sum is 31485888
The reverse of 20154729 is 92745102
Previous prime number is 167
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred fifty-four thousand seven hundred twenty-nine
Scientific notation
2.0154729 × 10^7
Engineering notation
2.0154729 × 10^6
Prime Factorization
3 × 7 × 7 × 167 × 821
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2879247
Product of the distinct prime numbers
The prime factorization of 20154729 is 3 × 7 × 7 × 167 × 821.
Since it has a total of 5 prime factors.
6 , 8 , 72 , 68 , 892 , 248 , 4153 , 4115 , 27264 , 5287 , 123753 , 631671 , 6031506 , 1958510 , 31739749 , 35005034 , 494886945 , 884461404 , 9692887553 , 9240192551
n×2
40309458
n×3
60464187
n×4
80618916
n×5
100773645
n÷2
10077364.5
n÷3
6718243
n÷3
5038682.25
n÷5
4030945.8
n2
406213101063441
n3
8.1871149681833E+21
n4
1.6500908347558E+29
n5
3.3257133599886E+36
2 √n
4489.401853254
3 √n
272.13996274946
4 √n
67.002998837768
5 √n
28.898506099676
1 , 3 , 7 , 21 , 49 , 147 , 167 , 501 , 821 , 1169 , 2463 , 3507 , 5747 , 8183 , 17241 , 24549 , 40229 , 120687 , 137107 , 411321 , 959749 , 2879247 , 6718243 , 20154729
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20154728
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20154729 can be divided by 24 positive divisors.
The sum of these divisors (counting 20154729) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111000100101101001
3
Ternary
1101220222002110
4
Quaternary
1030320211221
5
Quinary
20124422404
6
Senary
1555552533
8
Octal
114704551
10
Decimal
20154729
12
Duodecimal
68bb749
16
Hexadecimal
1338969
20
Vigesimal
65j6g9
36
Base36
bzzhl
md5
47143ba78eb39f3d3b36a41119124b70
sha1
d8ff4665cabed02733a151113d04a9b1bd746906
sha256
63603db34061b8ed7335b22245ea13fd159b829a8406ccd89f095932b1f045e9
sha512
5ea2c7fbf83543e63a78c3fb0b43c1115ca4f82ae6851a665acc00a1b657c07706fb44eb04598e0017d9d6aab730387319edd4b79bada15fe358e1c6ce2b6fcf
ripemd-160
54284e238cbdceed7eabc9bd375b4e600a8af01a
Diameter
40309458
Circumference
126635897.12299
Area
1.2761560940928E+15
Volume
3.4294106984186E+22
Surface area
5.1046243763713E+15
Circumference
126635897.12299
Perimeter
80618916
Area
406213101063441
Diagonal
28503091.097754
Surface area
2437278606380646
Volume
8.1871149681833E+21
Space diagonal
34909014.640782
Perimeter
60464187
Area
1.758954324355E+14
Altitude
17454507.320391
Surface area
1.758954324355E+14
Volume
9.6486075205938E+20
Height
9501030.3659181