20280729 (number)

20280729 is an odd 8-digits composite number following 20280728 and preceding 20280730. In scientific notation, it is written as 2.0280729 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 11588976 positive integers (up to 20280729) that are relatively prime to 20280729.

Interesting facts

Basic properties

Name

Name twenty million two hundred eighty thousand seven hundred twenty-nine

Notation

Scientific notation 2.0280729 × 10^7
Engineering notation 2.0280729 × 10^6

Prime Factorization of 20280729

Prime Factorization 21 × 965749

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20280729
Product of the distinct prime numbers

The prime factorization of 20280729 is 21 × 965749. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20280729)

Multiplication

n×y
n×2 40561458
n×3 60842187
n×4 81122916
n×5 101403645

Division

n÷y
n÷2 10140364.5
n÷3 6760243
n÷3 5070182.25
n÷5 4056145.8

Exponentiation

ny
n2 411307968771441
n3 8.3416254501941E+21
n4 1.6917424517489E+29
n5 3.4309770201715E+36

Nth Root

y√n
2√n 4503.4130390183
3√n 272.70589158644
4√n 67.107473794044
5√n 28.934548661835

Divisors of 20280729

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 -20280728
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 20280729 can be divided by 4 positive divisors. The sum of these divisors (counting 20280729) is 1, the average is 0.25.

Base conversion 20280729

Base System Value
2 Binary 1001101010111010110011001
3 Ternary 1102011100221010
4 Quaternary 1031113112121
5 Quinary 20142440404
6 Senary 2002404133
8 Octal 115272631
10 Decimal 20280729
12 Duodecimal 6960649
16 Hexadecimal 1357599
20 Vigesimal 66f1g9
36 Base36 c2opl

Cryptographic Hash Functions

md5 65c907ccea66e78dc7fd852e456044c8
sha1 86cb25b830387c326fa69234877f0d7be7b74fd2
sha256 c2cd3cbd0ada3b4a9f4019f3feec807e4baad91b7e83e023ae2a61188ebbd438
sha512 86f017e7184d4b4ce92470c6816a598c81a2a8db0ba788ebd2ec02e3a227ba4335165f06f5f3c549a27677b694281acaf8ae72000fefd5b2402d526ef62c950a
ripemd-160 d59c09cd1091efde3367f016db8c2bccc610f3c9

20280729 as geometric shapes

Circle

Radius = n
Diameter 40561458
Circumference 127427578.47169
Area 1.2921620930553E+15

Sphere

Radius = n
Volume 3.494131897777E+22
Surface area 5.1686483722212E+15
Circumference 127427578.47169

Square

Length = n
Perimeter 81122916
Area 411307968771441
Diagonal 28681282.006613

Cube

Length = n
Surface area 2467847812628646
Volume 8.3416254501941E+21
Space diagonal 35127253.042536

Equilateral Triangle

Length = n
Perimeter 60842187
Area 1.7810157486752E+14
Altitude 17563626.521268

Triangular Pyramid

Length = n
Surface area 1.7810157486752E+14
Volume 9.8306998699175E+20
Height 9560427.3355378