19981609 (number)

19981609 is an odd 8-digits composite number following 19981608 and preceding 19981610. In scientific notation, it is written as 1.9981609 × 10^7. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 19292560 positive integers (up to 19981609) that are relatively prime to 19981609.

Interesting facts

Basic properties

Name

Name nineteen million nine hundred eighty-one thousand six hundred nine

Notation

Scientific notation 1.9981609 × 10^7
Engineering notation 1.9981609 × 10^6

Prime Factorization of 19981609

Prime Factorization 29 × 689021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 19981609
Product of the distinct prime numbers

The prime factorization of 19981609 is 29 × 689021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 19981609)

Multiplication

n×y
n×2 39963218
n×3 59944827
n×4 79926436
n×5 99908045

Division

n÷y
n÷2 9990804.5
n÷3 6660536.3333333
n÷3 4995402.25
n÷5 3996321.8

Exponentiation

ny
n2 399264698228881
n3 7.9779510875125E+21
n4 1.594122992518E+29
n5 3.1853142334404E+36

Nth Root

y√n
2√n 4470.0793057842
3√n 271.35853471985
4√n 66.858651689846
5√n 28.848689626422

Divisors of 19981609

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 -19981608
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 19981609 can be divided by 4 positive divisors. The sum of these divisors (counting 19981609) is 1, the average is 0.25.

Base conversion 19981609

Base System Value
2 Binary 1001100001110010100101001
3 Ternary 1101121011121121
4 Quaternary 1030032110221
5 Quinary 20103402414
6 Senary 1552135241
8 Octal 114162451
10 Decimal 19981609
12 Duodecimal 6837521
16 Hexadecimal 130e529
20 Vigesimal 64he09
36 Base36 bw9wp

Cryptographic Hash Functions

md5 113079f83ec9b090df7e2a00735b3625
sha1 edcc11418d40297a9a49c5ba7a8dae852660def1
sha256 213bde2fdfcefb255f8156749c36e3515e1c16d449ab591bcb107b6eee3300fb
sha512 d477c4f28c71df8ae2809e13de8753f92f9fb8a005cb9978fbb8cca8516713e511e0c2ed60f08a282c7245bc0079cab4339dbe04be213db6f7496f872319cedd
ripemd-160 18f4d05f15cf5aafece9acbf0e08d0006d12a73c

19981609 as geometric shapes

Circle

Radius = n
Diameter 39963218
Circumference 125548152.08261
Area 1.2543270427936E+15

Sphere

Radius = n
Volume 3.3417963369637E+22
Surface area 5.0173081711744E+15
Circumference 125548152.08261

Square

Length = n
Perimeter 79926436
Area 399264698228881
Diagonal 28258262.445836

Cube

Length = n
Surface area 2395588189373286
Volume 7.9779510875125E+21
Space diagonal 34609162.004976

Equilateral Triangle

Length = n
Perimeter 59944827
Area 1.7288668575027E+14
Altitude 17304581.002488

Triangular Pyramid

Length = n
Surface area 1.7288668575027E+14
Volume 9.4021055232578E+20
Height 9419420.8152788