19943985 (number)

19943985 is an odd 8-digits composite number following 19943984 and preceding 19943986. In scientific notation, it is written as 1.9943985 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 10636784 positive integers (up to 19943985) that are relatively prime to 19943985.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred forty-three thousand nine hundred eighty-five

Notation

Scientific notation 1.9943985 × 10^7
Engineering notation 1.9943985 × 10^6

Prime Factorization of 19943985

Prime Factorization 5 × 3 × 1329599

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19943985
Product of the distinct prime numbers

The prime factorization of 19943985 is 5 × 3 × 1329599. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 5, 10, 79, 421, 464, 1292, 8019, 92493, 73611, 418751, 831251, 4535409, 2557443, 3523060, 32966809, 469017298, 841844898, 157586515, 5303492628

Basic calculations (n = 19943985)

Multiplication

n×y
n×2 39887970
n×3 59831955
n×4 79775940
n×5 99719925

Division

n÷y
n÷2 9971992.5
n÷3 6647995
n÷3 4985996.25
n÷5 3988797

Exponentiation

ny
n2 397762537680225
n3 7.9329700850563E+21
n4 1.5821503638181E+29
n5 3.1554383123733E+36

Nth Root

y√n
2√n 4465.8688964187
3√n 271.18811120341
4√n 66.827156878164
5√n 28.837817413687

Divisors of 19943985

1, 3, 5, 15, 1329599, 3988797, 6647995, 19943985

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 -19943984
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 19943985 can be divided by 8 positive divisors. The sum of these divisors (counting 19943985) is 1, the average is 0.125.

Base conversion 19943985

Base System Value
2 Binary 1001100000101001000110001
3 Ternary 1101112021000010
4 Quaternary 1030011020301
5 Quinary 20101201420
6 Senary 1551245133
8 Octal 114051061
10 Decimal 19943985
12 Duodecimal 68197a9
16 Hexadecimal 1305231
20 Vigesimal 64cjj5
36 Base36 bvgvl

Cryptographic Hash Functions

md5 54ecc1c88e7f245d18c7a175cc72bca4
sha1 aec9cd35a927d3b6478c4701365fe53cd3692463
sha256 5bf8b15e35a2ae1c502e5dad2f2bad711b56e152284b2b993b0ab722890e9cb0
sha512 69ead10b2816a4d62d202479130f848b1788ce85c75c8d413129ed7e2bdbb28da9e5b54e1bc40a6ff8aa72a9e7164f75ee205483f64a7e0e4bc0a705ae813616
ripemd-160 6553bffc3cf67058f34d92d9be2b9b0466f7933e

19943985 as geometric shapes

Circle

Radius = n
Diameter 39887970
Circumference 125311753.51861
Area 1.2496078662494E+15

Sphere

Radius = n
Volume 3.3229547387147E+22
Surface area 4.9984314649977E+15
Circumference 125311753.51861

Square

Length = n
Perimeter 79775940
Area 397762537680225
Diagonal 28205054.074766

Cube

Length = n
Surface area 2386575226081350
Volume 7.9329700850563E+21
Space diagonal 34543995.325392

Equilateral Triangle

Length = n
Perimeter 59831955
Area 1.7223623115242E+14
Altitude 17271997.662696

Triangular Pyramid

Length = n
Surface area 1.7223623115242E+14
Volume 9.3490949034889E+20
Height 9401684.6915885