20730449 is an odd 8-digits composite number following 20730448
and preceding 20730450 . In scientific notation, it is written as 2.0730449 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20651364 positive integers (up to 20730449) that are relatively prime to 20730449.
20730449 has 4 divisors, whose sum is 20809536
The reverse of 20730449 is 94403702
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million seven hundred thirty thousand four hundred forty-nine
Scientific notation
2.0730449 × 10^7
Engineering notation
2.0730449 × 10^6
Prime Factorization
263 × 78823
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20730449
Product of the distinct prime numbers
The prime factorization of 20730449 is 263 × 78823.
Since it has a total of 2 prime factors.
5 , 10 , 77 , 72 , 858 , 486 , 2867 , 722 , 61514 , 94237 , 697883 , 897729 , 2802200 , 7147215 , 14342797 , 70293529 , 879693009 , 18907530 , 8637272193 , 7172754157
n×2
41460898
n×3
62191347
n×4
82921796
n×5
103652245
n÷2
10365224.5
n÷3
6910149.6666667
n÷3
5182612.25
n÷5
4146089.8
n2
429751515741601
n3
8.908941879754E+21
n4
1.846863652822E+29
n5
3.8286312764781E+36
2 √n
4553.0702827872
3 √n
274.70690094483
4 √n
67.476442428356
5 √n
29.061748609647
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20730448
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20730449 can be divided by 4 positive divisors.
The sum of these divisors (counting 20730449) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111000101001001010001
3
Ternary
1110000012211102
4
Quaternary
1033011021101
5
Quinary
20301333244
6
Senary
2020154145
8
Octal
117051121
10
Decimal
20730449
12
Duodecimal
6b38955
16
Hexadecimal
13c5251
20
Vigesimal
69b629
36
Base36
ccbpt
md5
0505ef657fe54a7a77cf34f07ba1f07e
sha1
4f302a912ae7f7692674c98b8e54af209c05cbd2
sha256
67858dc50463385b4b414220fcbe4edc099c5bff616b1eff5e0072bcbe74319a
sha512
d403e03d46815a9a2c543beded63c45aa1d023342582bc80048acc341c62283a45ab78856005d9c5a4984dac4736ff41e5eb4c186092b0e2a6e33d6105727ad4
ripemd-160
6d4c18ebecc98f6cd3caca39559f26de9f6972bd
Diameter
41460898
Circumference
130253252.56804
Area
1.3501042047229E+15
Volume
3.7317688480925E+22
Surface area
5.4004168188916E+15
Circumference
130253252.56804
Perimeter
82921796
Area
429751515741601
Diagonal
29317282.129884
Surface area
2578509094449606
Volume
8.908941879754E+21
Space diagonal
35906190.931715
Perimeter
62191347
Area
1.8608786497355E+14
Altitude
17953095.465858
Surface area
1.8608786497355E+14
Volume
1.0499288693951E+21
Height
9772427.3766279