20730249 is an odd 8-digits composite number following 20730248
and preceding 20730250 . In scientific notation, it is written as 2.0730249 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13444704 positive integers (up to 20730249) that are relatively prime to 20730249.
20730249 has 16 divisors, whose sum is 29443008
The reverse of 20730249 is 94203702
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred thirty thousand two hundred forty-nine
Scientific notation
2.0730249 × 10^7
Engineering notation
2.0730249 × 10^6
Prime Factorization
3 × 27 × 37 × 6917
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20730249
Product of the distinct prime numbers
The prime factorization of 20730249 is 3 × 27 × 37 × 6917.
Since it has a total of 4 prime factors.
3 , 7 , 2 , 89 , 191 , 356 , 2225 , 3636 , 88786 , 78802 , 750471 , 258862 , 9773322 , 6081288 , 25381137 , 36415428 , 353676238 , 178699380 , 9490436101 , 6607602151
n×2
41460498
n×3
62190747
n×4
82920996
n×5
103651245
n÷2
10365124.5
n÷3
6910083
n÷3
5182562.25
n÷5
4146049.8
n2
429743223602001
n3
8.9086840313322E+21
n4
1.8467923823184E+29
n5
3.8284465936764E+36
2 √n
4553.0483195327
3 √n
274.70601751716
4 √n
67.476279680587
5 √n
29.061692533948
1 , 3 , 27 , 37 , 81 , 111 , 999 , 2997 , 6917 , 20751 , 186759 , 255929 , 560277 , 767787 , 6910083 , 20730249
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
-20730248
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 20730249 can be divided by 16 positive divisors.
The sum of these divisors (counting 20730249) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000101000110001001
3
Ternary
1110000012120000
4
Quaternary
1033011012021
5
Quinary
20301331444
6
Senary
2020153213
8
Octal
117050611
10
Decimal
20730249
12
Duodecimal
6b38809
16
Hexadecimal
13c5189
20
Vigesimal
69b5c9
36
Base36
ccbk9
md5
ce60740602801e7a1bbad49b8c94695c
sha1
61fbd4cb3320d971bd4ea3b72f0584cab49297ff
sha256
c21887979f640e05f87e42c5e95d2cfb188fd255c1e5288b2c0015549ae25b43
sha512
0903fee6d8610fe8f2ac7d43e977ade1de9e747ef67100a51471a182924bd3435a2f92ccde33e19eb0f7d6b7164fde6abbfd25a29a995581df72c932770971ff
ripemd-160
8ea4a2904344d069001f98cbb9ec8ff749f0bbde
Diameter
41460498
Circumference
130251995.93097
Area
1.350078154198E+15
Volume
3.7316608407981E+22
Surface area
5.4003126167922E+15
Circumference
130251995.93097
Perimeter
82920996
Area
429743223602001
Diagonal
29316999.287171
Surface area
2578459341612006
Volume
8.9086840313322E+21
Space diagonal
35905844.521554
Perimeter
62190747
Area
1.8608427437177E+14
Altitude
17952922.260777
Surface area
1.8608427437177E+14
Volume
1.0498984816672E+21
Height
9772333.0957238