19990421 (number)

19990421 is an odd 8-digits composite number following 19990420 and preceding 19990422. In scientific notation, it is written as 1.9990421 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 18173100 positive integers (up to 19990421) that are relatively prime to 19990421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.9990421 × 10^7
Engineering notation 1.9990421 × 10^6

Prime Factorization of 19990421

Prime Factorization 11 × 1817311

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19990421
Product of the distinct prime numbers

The prime factorization of 19990421 is 11 × 1817311. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19990421)

Multiplication

n×y
n×2 39980842
n×3 59971263
n×4 79961684
n×5 99952105

Division

n÷y
n÷2 9995210.5
n÷3 6663473.6666667
n÷3 4997605.25
n÷5 3998084.2

Exponentiation

ny
n2 399616931757241
n3 7.9885107045555E+21
n4 1.5969369214707E+29
n5 3.1923441370644E+36

Nth Root

y√n
2√n 4471.0648619764
3√n 271.39841906186
4√n 66.866021729847
5√n 28.851233664

Divisors of 19990421

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 -19990420
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 19990421 can be divided by 4 positive divisors. The sum of these divisors (counting 19990421) is 1, the average is 0.25.

Base conversion 19990421

Base System Value
2 Binary 1001100010000011110010101
3 Ternary 1101121121200222
4 Quaternary 1030100132111
5 Quinary 20104143141
6 Senary 1552244125
8 Octal 114203625
10 Decimal 19990421
12 Duodecimal 6840645
16 Hexadecimal 1310795
20 Vigesimal 64ig11
36 Base36 bwgph

Cryptographic Hash Functions

md5 6543c35a85d45d886440d679a29cd6c5
sha1 506aa59e281eaaa044492b1dee262c3908cf2622
sha256 8fd30f920d741ff670484778f76efaeeb0958fa1750b3992f4e6c1da2f8f6a7f
sha512 04035aed397c9afb10966a491a49aa6aba38d2e68381a5ca247f9992987e651d563fc2fb9fe8dadf04f3741754bc13c20f67a7ca0f8ee5e9a81ef26ec055fb49
ripemd-160 d62d009793ef05e793d8dfb56e8ff389bb7a2627

19990421 as geometric shapes

Circle

Radius = n
Diameter 39980842
Circumference 125603519.51153
Area 1.2554336170586E+15

Sphere

Radius = n
Volume 3.3462195390073E+22
Surface area 5.0217344682346E+15
Circumference 125603519.51153

Square

Length = n
Perimeter 79961684
Area 399616931757241
Diagonal 28270724.495748

Cube

Length = n
Surface area 2397701590543446
Volume 7.9885107045555E+21
Space diagonal 34624424.836692

Equilateral Triangle

Length = n
Perimeter 59971263
Area 1.7303920734208E+14
Altitude 17312212.418346

Triangular Pyramid

Length = n
Surface area 1.7303920734208E+14
Volume 9.4145501512876E+20
Height 9423574.831916