20998545 (number)

20998545 is an odd 8-digits composite number following 20998544 and preceding 20998546. In scientific notation, it is written as 2.0998545 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 11178560 positive integers (up to 20998545) that are relatively prime to 20998545.

Interesting facts

Basic properties

Name

Name twenty million nine hundred ninety-eight thousand five hundred forty-five

Notation

Scientific notation 2.0998545 × 10^7
Engineering notation 2.0998545 × 10^6

Prime Factorization of 20998545

Prime Factorization 15 × 773 × 1811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20998545
Product of the distinct prime numbers

The prime factorization of 20998545 is 15 × 773 × 1811. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 62, 77, 786, 342, 4932, 1471, 40979, 7211, 13171, 622952, 9683797, 8893349, 84369049, 98081468, 39238998, 663784657, 1786935355, 3615636321

Basic calculations (n = 20998545)

Multiplication

n×y
n×2 41997090
n×3 62995635
n×4 83994180
n×5 104992725

Division

n÷y
n÷2 10499272.5
n÷3 6999515
n÷3 5249636.25
n÷5 4199709

Exponentiation

ny
n2 440938892117025
n3 9.2590751683695E+21
n4 1.9442710658139E+29
n5 4.0826863467691E+36

Nth Root

y√n
2√n 4582.4169386908
3√n 275.88604568987
4√n 67.693551677326
5√n 29.136530819907

Divisors of 20998545

1, 15, 773, 1811, 11595, 27165, 1399903, 20998545

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20998544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20998545 can be divided by 8 positive divisors. The sum of these divisors (counting 20998545) is 1, the average is 0.125.

Base conversion 20998545

Base System Value
2 Binary 1010000000110100110010001
3 Ternary 1110111211120220
4 Quaternary 1100012212101
5 Quinary 20333423140
6 Senary 2030023253
8 Octal 120064621
10 Decimal 20998545
12 Duodecimal 7047b29
16 Hexadecimal 1406991
20 Vigesimal 6b4g75
36 Base36 ci2kx

Cryptographic Hash Functions

md5 fd4e07f92a34d09b956b77852a282c56
sha1 84a9ba6e9dc44d14e0334aa620ffb0018eec3bd9
sha256 cab00136ef58a295dcee5893efa0dd5cd34bbb777eb648298b2810c8ff485b8f
sha512 adc190ce8873a22fd64c160315cad121def5cc0d2e352939ace324dc4f18dc36b18db954db378bf8d80737c95d13d3ea6ff2569e82088ee0814ed6bb9305e766
ripemd-160 7432e73d23401eb968af269c348f2cd3cc8af800

20998545 as geometric shapes

Circle

Radius = n
Diameter 41997090
Circumference 131937749.41615
Area 1.3852503841569E+15

Sphere

Radius = n
Volume 3.8784323370647E+22
Surface area 5.5410015366275E+15
Circumference 131937749.41615

Square

Length = n
Perimeter 83994180
Area 440938892117025
Diagonal 29696427.129102

Cube

Length = n
Surface area 2645633352702150
Volume 9.2590751683695E+21
Space diagonal 36370546.825021

Equilateral Triangle

Length = n
Perimeter 62995635
Area 1.9093214104495E+14
Altitude 18185273.412511

Triangular Pyramid

Length = n
Surface area 1.9093214104495E+14
Volume 1.0911924731783E+21
Height 9898809.0430339