19985655 (number)

19985655 is an odd 8-digits composite number following 19985654 and preceding 19985656. In scientific notation, it is written as 1.9985655 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 10398720 positive integers (up to 19985655) that are relatively prime to 19985655.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-five thousand six hundred fifty-five

Notation

Scientific notation 1.9985655 × 10^7
Engineering notation 1.9985655 × 10^6

Prime Factorization of 19985655

Prime Factorization 3 × 205 × 32497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 19985655
Product of the distinct prime numbers

The prime factorization of 19985655 is 3 × 205 × 32497. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19985655)

Multiplication

n×y
n×2 39971310
n×3 59956965
n×4 79942620
n×5 99928275

Division

n÷y
n÷2 9992827.5
n÷3 6661885
n÷3 4996413.75
n÷5 3997131

Exponentiation

ny
n2 399426405779025
n3 7.9827983437896E+21
n4 1.5954145363355E+29
n5 3.1885404505186E+36

Nth Root

y√n
2√n 4470.5318475546
3√n 271.37684893628
4√n 66.8620359214
5√n 28.849857824093

Divisors of 19985655

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 -19985654
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 19985655 can be divided by 8 positive divisors. The sum of these divisors (counting 19985655) is 1, the average is 0.125.

Base conversion 19985655

Base System Value
2 Binary 1001100001111010011110111
3 Ternary 1101121101011110
4 Quaternary 1030033103313
5 Quinary 20104020110
6 Senary 1552210103
8 Octal 114172367
10 Decimal 19985655
12 Duodecimal 6839933
16 Hexadecimal 130f4f7
20 Vigesimal 64i42f
36 Base36 bwd13

Cryptographic Hash Functions

md5 cb6d64b9d2a25a3e271f9c195027363a
sha1 6445a46df51af755d6050dd4308e91af1aa86cd6
sha256 6819e297c25e4ba06635e5ea87c91d0a0d8fcea9503d97afd7380e229aab08b5
sha512 6271d1d212797aa84a1fa3d82241f72959d925a1fa7826f915857e86aaaa4ca8ce23ffe01ddc90179993e7977a7cadea38654bb04720cd5d506be6f0a7fba814
ripemd-160 fe870550bd4fe695029913fe96146d48e7553ea0

19985655 as geometric shapes

Circle

Radius = n
Diameter 39971310
Circumference 125573573.85036
Area 1.2548350620452E+15

Sphere

Radius = n
Volume 3.3438267509251E+22
Surface area 5.0193402481806E+15
Circumference 125573573.85036

Square

Length = n
Perimeter 79942620
Area 399426405779025
Diagonal 28263984.35391

Cube

Length = n
Surface area 2396558434674150
Volume 7.9827983437896E+21
Space diagonal 34616169.882543

Equilateral Triangle

Length = n
Perimeter 59956965
Area 1.7295670717347E+14
Altitude 17308084.941271

Triangular Pyramid

Length = n
Surface area 1.7295670717347E+14
Volume 9.4078180695639E+20
Height 9421328.1179699