20238729 is an odd 8-digits composite number following 20238728
and preceding 20238730 . In scientific notation, it is written as 2.0238729 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 11455632 positive integers (up to 20238729) that are relatively prime to 20238729.
20238729 has 16 divisors, whose sum is 31131648
The reverse of 20238729 is 92783202
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million two hundred thirty-eight thousand seven hundred twenty-nine
Scientific notation
2.0238729 × 10^7
Engineering notation
2.0238729 × 10^6
Prime Factorization
3 × 7 × 107 × 9007
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20238729
Product of the distinct prime numbers
The prime factorization of 20238729 is 3 × 7 × 107 × 9007.
Since it has a total of 4 prime factors.
5 , 3 , 68 , 3 , 281 , 748 , 509 , 5498 , 18759 , 57051 , 49204 , 439676 , 145203 , 3463419 , 41533999 , 94198146 , 961943074 , 832093497 , 5536861617 , 8728755036
n×2
40477458
n×3
60716187
n×4
80954916
n×5
101193645
n÷2
10119364.5
n÷3
6746243
n÷3
5059682.25
n÷5
4047745.8
n2
409606151535441
n3
8.2899078976587E+21
n4
1.6777719937567E+29
n5
3.3955972705432E+36
2 √n
4498.7474923583
3 √n
272.51750974657
4 √n
67.07270303453
5 √n
28.92255442852
1 , 3 , 7 , 21 , 107 , 321 , 749 , 2247 , 9007 , 27021 , 63049 , 189147 , 963749 , 2891247 , 6746243 , 20238729
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
-20238728
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 20238729 can be divided by 16 positive divisors.
The sum of these divisors (counting 20238729) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001101000110001001
3
Ternary
1102002020022120
4
Quaternary
1031031012021
5
Quinary
20140114404
6
Senary
2001441453
8
Octal
115150611
10
Decimal
20238729
12
Duodecimal
6940289
16
Hexadecimal
134d189
20
Vigesimal
669gg9
36
Base36
c1sax
md5
6d30e6a04e63e191f9a964119b9e7652
sha1
770b12a62f1ad7f693d6a6f4a5614bd307ed4cce
sha256
350ca9a8b7f258fd614b81f78ebdf5453f8390c27af1193671d21fc87eeec2ac
sha512
7738da86a0140b9398ccb1a6e67b2805d9cbfdc2cf68c2d9dc18598ef7314582379bdac0c8f9af68e8c34188617af906f670a1328e3f984a9766910e6b91dcf7
ripemd-160
b09f4a5793fc1cd5f138e2cdd1c9954ecd0885e4
Diameter
40477458
Circumference
127163684.68879
Area
1.2868156765289E+15
Volume
3.4724685000294E+22
Surface area
5.1472627061157E+15
Circumference
127163684.68879
Perimeter
80954916
Area
409606151535441
Diagonal
28621885.036994
Surface area
2457636909212646
Volume
8.2899078976587E+21
Space diagonal
35054506.908618
Perimeter
60716187
Area
1.7736466638804E+14
Altitude
17527253.454309
Surface area
1.7736466638804E+14
Volume
9.769750149744E+20
Height
9540628.3456646