21998428 (number)

21998428 is an even 8-digits composite number following 21998427 and preceding 21998429. In scientific notation, it is written as 2.1998428 × 10^7. The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors. There are 10420272 positive integers (up to 21998428) that are relatively prime to 21998428.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred ninety-eight thousand four hundred twenty-eight

Notation

Scientific notation 2.1998428 × 10^7
Engineering notation 2.1998428 × 10^6

Prime Factorization of 21998428

Prime Factorization 2 × 2 × 19 × 289453

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10999214
Product of the distinct prime numbers

The prime factorization of 21998428 is 2 × 2 × 19 × 289453. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 10, 91, 24, 29, 166, 1790, 8873, 68260, 37464, 720735, 354838, 3792571, 7882798, 33067215, 28387672, 116945995, 235336748, 5527046145, 1369897990

Basic calculations (n = 21998428)

Multiplication

n×y
n×2 43996856
n×3 65995284
n×4 87993712
n×5 109992140

Division

n÷y
n÷2 10999214
n÷3 7332809.3333333
n÷3 5499607
n÷5 4399685.6

Exponentiation

ny
n2 483930834471184
n3 1.0645717619094E+22
n4 2.3418905255198E+29
n5 5.1517910109529E+36

Nth Root

y√n
2√n 4690.2481810668
3√n 280.19725895835
4√n 68.485386624204
5√n 29.408869450713

Divisors of 21998428

1, 2, 4, 19, 38, 76, 289453, 578906, 1157812, 5499607, 10999214, 21998428

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21998427
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21998428 can be divided by 12 positive divisors. The sum of these divisors (counting 21998428) is 1, the average is 0.083333333333333.

Base conversion 21998428

Base System Value
2 Binary 1010011111010101101011100
3 Ternary 1112101122011121
4 Quaternary 1103322231130
5 Quinary 21112422203
6 Senary 2103300324
8 Octal 123725534
10 Decimal 21998428
12 Duodecimal 744a6a4
16 Hexadecimal 14fab5c
20 Vigesimal 6h9g18
36 Base36 d3i3g

Cryptographic Hash Functions

md5 b81f54c5137a742f0287c4278a45fb80
sha1 0700cc23c2222628bea4b3398462ae4a056e09a0
sha256 3d0be6ca402c3f0a4e71a6ad55011bcdbc489841f04e0721dae333fcddbc2442
sha512 16950b8f297d8853c1dcb2f51e55749eb46697a190de3d45df5fab8e744634453b6c068e4c2aa269af075021d9bb84adea563b71bc1c3ac895e6efdd3f3289ce
ripemd-160 745a956d91d8c238758b5bf5716539afe7d6f123

21998428 as geometric shapes

Circle

Radius = n
Diameter 43996856
Circumference 138220199.59065
Area 1.5203135544202E+15

Sphere

Radius = n
Volume 4.4592677685784E+22
Surface area 6.081254217681E+15
Circumference 138220199.59065

Square

Length = n
Perimeter 87993712
Area 483930834471184
Diagonal 31110475.228488

Cube

Length = n
Surface area 2903585006827104
Volume 1.0645717619094E+22
Space diagonal 38102394.982646

Equilateral Triangle

Length = n
Perimeter 65995284
Area 2.0954819816332E+14
Altitude 19051197.491323

Triangular Pyramid

Length = n
Surface area 2.0954819816332E+14
Volume 1.2546098531764E+21
Height 10370158.409496