19985405 (number)

19985405 is an odd 8-digits composite number following 19985404 and preceding 19985406. In scientific notation, it is written as 1.9985405 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 14534800 positive integers (up to 19985405) that are relatively prime to 19985405.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-five thousand four hundred five

Notation

Scientific notation 1.9985405 × 10^7
Engineering notation 1.9985405 × 10^6

Prime Factorization of 19985405

Prime Factorization 55 × 363371

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19985405
Product of the distinct prime numbers

The prime factorization of 19985405 is 55 × 363371. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19985405)

Multiplication

n×y
n×2 39970810
n×3 59956215
n×4 79941620
n×5 99927025

Division

n÷y
n÷2 9992702.5
n÷3 6661801.6666667
n÷3 4996351.25
n÷5 3997081

Exponentiation

ny
n2 399416413014025
n3 7.9824987777326E+21
n4 1.5953347098499E+29
n5 3.1883410286908E+36

Nth Root

y√n
2√n 4470.5038865882
3√n 271.37571738309
4√n 66.861826826585
5√n 28.849785647319

Divisors of 19985405

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 -19985404
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 19985405 can be divided by 4 positive divisors. The sum of these divisors (counting 19985405) is 1, the average is 0.25.

Base conversion 19985405

Base System Value
2 Binary 1001100001111001111111101
3 Ternary 1101121100211012
4 Quaternary 1030033033331
5 Quinary 20104013110
6 Senary 1552205005
8 Octal 114171775
10 Decimal 19985405
12 Duodecimal 6839765
16 Hexadecimal 130f3fd
20 Vigesimal 64i3a5
36 Base36 bwcu5

Cryptographic Hash Functions

md5 1508a2c48c3a3e291f719a74ae764834
sha1 59b7fdc842b2a28ecf7a47ab291985ac1400941c
sha256 9cea0e30a2b5acf4a881967e74220ff0bd32de5d8c94af39c40c0c41c0f33b89
sha512 9b451505c1c4c267c5a8f4f3a0f7f760c2a547c7a7d92ee3677a5d148240ec2478343fe4882ce310467d9515cb62fdc3fc82e4630ebd8cccbf097a1fc0ce7216
ripemd-160 cff8831300794fc018ee0afc78bb283376e5bbad

19985405 as geometric shapes

Circle

Radius = n
Diameter 39970810
Circumference 125572003.05403
Area 1.254803668848E+15

Sphere

Radius = n
Volume 3.3437012689885E+22
Surface area 5.0192146753922E+15
Circumference 125572003.05403

Square

Length = n
Perimeter 79941620
Area 399416413014025
Diagonal 28263630.800519

Cube

Length = n
Surface area 2396498478084150
Volume 7.9824987777326E+21
Space diagonal 34615736.869841

Equilateral Triangle

Length = n
Perimeter 59956215
Area 1.729523801793E+14
Altitude 17307868.434921

Triangular Pyramid

Length = n
Surface area 1.729523801793E+14
Volume 9.40746502758E+20
Height 9421210.2668397