20730449 (number)

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.

Interesting facts

Basic properties

Name

Name twenty million seven hundred thirty thousand four hundred forty-nine

Notation

Scientific notation 2.0730449 × 10^7
Engineering notation 2.0730449 × 10^6

Prime Factorization of 20730449

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.

Most popular turbo-numbers

Basic calculations (n = 20730449)

Multiplication

n×y
n×2 41460898
n×3 62191347
n×4 82921796
n×5 103652245

Division

n÷y
n÷2 10365224.5
n÷3 6910149.6666667
n÷3 5182612.25
n÷5 4146089.8

Exponentiation

ny
n2 429751515741601
n3 8.908941879754E+21
n4 1.846863652822E+29
n5 3.8286312764781E+36

Nth Root

y√n
2√n 4553.0702827872
3√n 274.70690094483
4√n 67.476442428356
5√n 29.061748609647

Divisors of 20730449

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 conversion 20730449

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

Cryptographic Hash Functions

md5 0505ef657fe54a7a77cf34f07ba1f07e
sha1 4f302a912ae7f7692674c98b8e54af209c05cbd2
sha256 67858dc50463385b4b414220fcbe4edc099c5bff616b1eff5e0072bcbe74319a
sha512 d403e03d46815a9a2c543beded63c45aa1d023342582bc80048acc341c62283a45ab78856005d9c5a4984dac4736ff41e5eb4c186092b0e2a6e33d6105727ad4
ripemd-160 6d4c18ebecc98f6cd3caca39559f26de9f6972bd

20730449 as geometric shapes

Circle

Radius = n
Diameter 41460898
Circumference 130253252.56804
Area 1.3501042047229E+15

Sphere

Radius = n
Volume 3.7317688480925E+22
Surface area 5.4004168188916E+15
Circumference 130253252.56804

Square

Length = n
Perimeter 82921796
Area 429751515741601
Diagonal 29317282.129884

Cube

Length = n
Surface area 2578509094449606
Volume 8.908941879754E+21
Space diagonal 35906190.931715

Equilateral Triangle

Length = n
Perimeter 62191347
Area 1.8608786497355E+14
Altitude 17953095.465858

Triangular Pyramid

Length = n
Surface area 1.8608786497355E+14
Volume 1.0499288693951E+21
Height 9772427.3766279