20728870 (number)

20728870 is an even 8-digits composite number following 20728869 and preceding 20728871. In scientific notation, it is written as 2.0728870 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 8265600 positive integers (up to 20728870) that are relatively prime to 20728870.

Interesting facts

Basic properties

Name

Name twenty million seven hundred twenty-eight thousand eight hundred seventy

Notation

Scientific notation 2.0728870 × 10^7
Engineering notation 2.0728870 × 10^6

Prime Factorization of 20728870

Prime Factorization 2 × 5 × 337 × 6151

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20728870
Product of the distinct prime numbers

The prime factorization of 20728870 is 2 × 5 × 337 × 6151. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 6, 32, 5, 705, 882, 4140, 2594, 34629, 81161, 385017, 335493, 4610456, 3180462, 82574501, 35681798, 396102698, 777054693, 5901042567, 8086446811

Basic calculations (n = 20728870)

Multiplication

n×y
n×2 41457740
n×3 62186610
n×4 82915480
n×5 103644350

Division

n÷y
n÷2 10364435
n÷3 6909623.3333333
n÷3 5182217.5
n÷5 4145774

Exponentiation

ny
n2 429686051476900
n3 8.906906301878E+21
n4 1.8463010283381E+29
n5 3.8271733997287E+36

Nth Root

y√n
2√n 4552.8968800095
3√n 274.6999261287
4√n 67.475157502665
5√n 29.061305880218

Divisors of 20728870

1, 2, 5, 10, 337, 674, 1685, 3370, 6151, 12302, 30755, 61510, 2072887, 4145774, 10364435, 20728870

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 -20728869
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 20728870 can be divided by 16 positive divisors. The sum of these divisors (counting 20728870) is 1, the average is 0.0625.

Base conversion 20728870

Base System Value
2 Binary 1001111000100110000100110
3 Ternary 1110000010122221
4 Quaternary 1033010300212
5 Quinary 20301310440
6 Senary 2020142554
8 Octal 117046046
10 Decimal 20728870
12 Duodecimal 6b37a5a
16 Hexadecimal 13c4c26
20 Vigesimal 69b23a
36 Base36 ccahy

Cryptographic Hash Functions

md5 7c401f883c7494a9dd507694a4eb2bb3
sha1 70a9928f0ce43ab1dcd4a30dbe7d2cf622fb5b85
sha256 2de51a6788f797431e483415c57b9920a2ae1e824c99a020346a55077ef6bc62
sha512 8958c946652eb3c2d27c2833aaf8409614c8637aa6d14679c0ae5752b89ba969656baf5ffd551abf689ae24d5ebd95b60b01796495c1a9896c7a0ac595e5afbb
ripemd-160 8561f15e480e520fba17455f154fe122ffe8b880

20728870 as geometric shapes

Circle

Radius = n
Diameter 41457740
Circumference 130243331.41844
Area 1.3498985426698E+15

Sphere

Radius = n
Volume 3.7309161872257E+22
Surface area 5.3995941706793E+15
Circumference 130243331.41844

Square

Length = n
Perimeter 82915480
Area 429686051476900
Diagonal 29315049.086669

Cube

Length = n
Surface area 2578116308861400
Volume 8.906906301878E+21
Space diagonal 35903456.02349

Equilateral Triangle

Length = n
Perimeter 62186610
Area 1.8605951811541E+14
Altitude 17951728.011745

Triangular Pyramid

Length = n
Surface area 1.8605951811541E+14
Volume 1.0496889742419E+21
Height 9771683.0288896