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

19987669 (number)

19987669 is an odd 8-digits composite number following 19987668 and preceding 19987670. In scientific notation, it is written as 1.9987669 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 18450144 positive integers (up to 19987669) that are relatively prime to 19987669.

Interesting facts

19987669 has 4 divisors, whose sum is 21525196
The reverse of 19987669 is 96678991
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 55
Digital Root 1

Name

Name	nineteen million nine hundred eighty-seven thousand six hundred sixty-nine

Notation

Scientific notation	1.9987669 × 10^7
Engineering notation	1.9987669 × 10^6

Prime Factorization of 19987669

Prime Factorization 13 × 1537513

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19987669	Product of the distinct prime numbers

The prime factorization of 19987669 is 13 × 1537513. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 9, 6, 44, 725, 619, 9568, 3894, 12211, 31164, 456805, 800294, 2743782, 4119062, 74785069, 85872202, 55918818, 519828612, 980825874, 8241371635

Basic calculations (n = 19987669)

Multiplication

n×y

n×2	39975338
n×3	59963007
n×4	79950676
n×5	99938345

Division

n÷y

n÷2	9993834.5
n÷3	6662556.3333333
n÷3	4996917.25
n÷5	3997533.8

Exponentiation

n^y

n²	399506912053561
n³	7.9852119213387E+21
n⁴	1.5960577277857E+29
n⁵	3.1901473567873E+36

Nth Root

^y√n

²√n	4470.7570947212
³√n	271.3859643846
⁴√n	66.863720317682
⁵√n	28.850439253841

Divisors of 19987669

1, 13, 1537513, 19987669

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	-19987668	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 19987669 can be divided by 4 positive divisors. The sum of these divisors (counting 19987669) is 1, the average is 0.25.

Base conversion 19987669

Base	System	Value
2	Binary	1001100001111110011010101
3	Ternary	1101121110221001
4	Quaternary	1030033303111
5	Quinary	20104101134
6	Senary	1552223301
8	Octal	114176325
10	Decimal	19987669
12	Duodecimal	683ab31
16	Hexadecimal	130fcd5
20	Vigesimal	64i939
36	Base36	bwel1

Cryptographic Hash Functions

md5	f2855c904ed89d4bc26ab6975a9a065a
sha1	5ebe4e5d42d77cec70fd67eb4d9bdcd6a79aaf75
sha256	f400b29a2bb178b874a40d2cdc743ffb91269672928d68ec45c6b43224403909
sha512	b237dca313c5388cf6448b76392d5200986e3ecfacc5c5d94646a6a2c469cae5cd42c6b8ec6a3d58ff6ff444e1b66e0963587d006b8f9ddb1748e486fe1af913
ripemd-160	0355d6e3e3c8a895e8fb61ae39fe6ee51261b5cf

19987669 as geometric shapes

Circle

Radius = n

Diameter	39975338
Circumference	125586228.18557
Area	1.2550879799658E+15

Sphere

Radius = n

Volume	3.3448377479247E+22
Surface area	5.0203519198632E+15
Circumference	125586228.18557

Square

Length = n

Perimeter	79950676
Area	399506912053561
Diagonal	28266832.580024

Cube

Length = n

Surface area	2397041472321366
Volume	7.9852119213387E+21
Space diagonal	34619658.232869

Equilateral Triangle

Length = n

Perimeter	59963007
Area	1.7299156741293E+14
Altitude	17309829.116435

Triangular Pyramid

Length = n

Surface area	1.7299156741293E+14
Volume	9.4106624979837E+20
Height	9422277.5266748