Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

19890809 (number)

19890809 is an odd 8-digits composite number following 19890808 and preceding 19890810. In scientific notation, it is written as 1.9890809 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 19249140 positive integers (up to 19890809) that are relatively prime to 19890809.

Interesting facts

19890809 has 4 divisors, whose sum is 20532480
The reverse of 19890809 is 90809891
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

Name	nineteen million eight hundred ninety thousand eight hundred nine

Notation

Scientific notation	1.9890809 × 10^7
Engineering notation	1.9890809 × 10^6

Prime Factorization of 19890809

Prime Factorization 31 × 641639

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19890809	Product of the distinct prime numbers

The prime factorization of 19890809 is 31 × 641639. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 9, 61, 20, 549, 132, 1397, 8190, 31747, 72340, 30384, 285670, 7407762, 3564487, 5002676, 57952765, 560945837, 590356128, 2741136708, 8944663023

Basic calculations (n = 19890809)

Multiplication

n×y

n×2	39781618
n×3	59672427
n×4	79563236
n×5	99454045

Division

n÷y

n÷2	9945404.5
n÷3	6630269.6666667
n÷3	4972702.25
n÷5	3978161.8

Exponentiation

n^y

n²	395644282674481
n³	7.8696848586201E+21
n⁴	1.56534398413E+29
n⁵	3.113595820763E+36

Nth Root

^y√n

²√n	4459.9113219884
³√n	270.94687665741
⁴√n	66.782567500721
⁵√n	28.822423119448

Divisors of 19890809

1, 31, 641639, 19890809

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	-19890808	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 19890809 can be divided by 4 positive divisors. The sum of these divisors (counting 19890809) is 1, the average is 0.25.

Base conversion 19890809

Base	System	Value
2	Binary	1001011111000001001111001
3	Ternary	1101102120001122
4	Quaternary	1023320021321
5	Quinary	20043001214
6	Senary	1550155025
8	Octal	113701171
10	Decimal	19890809
12	Duodecimal	67b2a75
16	Hexadecimal	12f8279
20	Vigesimal	646709
36	Base36	bubuh

Cryptographic Hash Functions

md5	02aee0e970fd6a0511dda309e74461cc
sha1	1d1db8c2e4e10b8d2ed2966a1b2e9dd77bd0576f
sha256	f48a9669ed1824b61a7fdf662f3732c6fa7cb3b9efa3dfda8a87f1ccd2c35ce9
sha512	62d86606c5f64b31c22d3341e4ea77b528e247d9d1a5a7ff69d78ccf5e847d0338d2cbd6dc6cfcd5e6fec592f9e17e90d0cb7cbc7d4e3c512ea0bfbc9ed7ab54
ripemd-160	35af963fa59561d13bf7102173d9216de3717e68

19890809 as geometric shapes

Circle

Radius = n

Diameter	39781618
Circumference	124977638.85672
Area	1.242953171885E+15

Sphere

Radius = n

Volume	3.2964458850544E+22
Surface area	4.9718126875398E+15
Circumference	124977638.85672

Square

Length = n

Perimeter	79563236
Area	395644282674481
Diagonal	28129851.854373

Cube

Length = n

Surface area	2373865696046886
Volume	7.8696848586201E+21
Space diagonal	34451891.791648

Equilateral Triangle

Length = n

Perimeter	59672427
Area	1.7131899982909E+14
Altitude	17225945.895824

Triangular Pyramid

Length = n

Surface area	1.7131899982909E+14
Volume	9.2745125488856E+20
Height	9376617.2847909