19990730 (number)

19990730 is an even 8-digits composite number following 19990729 and preceding 19990731. In scientific notation, it is written as 1.9990730 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 7686144 positive integers (up to 19990730) that are relatively prime to 19990730.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred ninety thousand seven hundred thirty

Notation

Scientific notation 1.9990730 × 10^7
Engineering notation 1.9990730 × 10^6

Prime Factorization of 19990730

Prime Factorization 2 × 2785 × 37 × 97

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 19990730
Product of the distinct prime numbers

The prime factorization of 19990730 is 2 × 2785 × 37 × 97. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 30, 7, 957, 62, 5743, 260, 10413, 5631, 126304, 672028, 809897, 7623787, 86494059, 13663814, 348597115, 728814491, 6964959734, 5709312006

Basic calculations (n = 19990730)

Multiplication

n×y
n×2 39981460
n×3 59972190
n×4 79962920
n×5 99953650

Division

n÷y
n÷2 9995365
n÷3 6663576.6666667
n÷3 4997682.5
n÷5 3998146

Exponentiation

ny
n2 399629285932900
n3 7.9888811551774E+21
n4 1.5970356617524E+29
n5 3.1925908714463E+36

Nth Root

y√n
2√n 4471.0994173693
3√n 271.39981742626
4√n 66.866280122116
5√n 28.851322856479

Divisors of 19990730

1, 2, 37, 74, 97, 194, 2785, 3589, 5570, 7178, 103045, 206090, 270145, 540290, 9995365, 19990730

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 -19990729
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 19990730 can be divided by 16 positive divisors. The sum of these divisors (counting 19990730) is 1, the average is 0.0625.

Base conversion 19990730

Base System Value
2 Binary 1001100010000100011001010
3 Ternary 1101121122010102
4 Quaternary 1030100203022
5 Quinary 20104200410
6 Senary 1552245402
8 Octal 114204312
10 Decimal 19990730
12 Duodecimal 6840862
16 Hexadecimal 13108ca
20 Vigesimal 64igga
36 Base36 bwgy2

Cryptographic Hash Functions

md5 c949b71f99226438385c34e65e09d6ae
sha1 6014c0de835e3b8cd638a9ee6a0ea2f405251f3a
sha256 2a7f9bc8278696e209d34e833519030d7ed0d80784cbc4a1a1973650e12cbf93
sha512 981542c82c468bb8e6bbc9d1293a15ae5ae09a546a6b53ce26455c34b7654a00beb19e0a96e9d879cfdee43264b7f1276f7bedab59770ac85553c8105f541296
ripemd-160 76daf49e0f00de71beb5d832da9a30f6b9857e07

19990730 as geometric shapes

Circle

Radius = n
Diameter 39981460
Circumference 125605461.01579
Area 1.2554724288461E+15

Sphere

Radius = n
Volume 3.346374713001E+22
Surface area 5.0218897153845E+15
Circumference 125605461.01579

Square

Length = n
Perimeter 79962920
Area 399629285932900
Diagonal 28271161.487739

Cube

Length = n
Surface area 2397775715597400
Volume 7.9888811551774E+21
Space diagonal 34624960.040391

Equilateral Triangle

Length = n
Perimeter 59972190
Area 1.7304455685706E+14
Altitude 17312480.020196

Triangular Pyramid

Length = n
Surface area 1.7304455685706E+14
Volume 9.4149867315323E+20
Height 9423720.4959129