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

19949987 (number)

19949987 is an odd 8-digits composite number following 19949986 and preceding 19949988. In scientific notation, it is written as 1.9949987 × 10^7. The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors. There are 19523592 positive integers (up to 19949987) that are relatively prime to 19949987.

Interesting facts

19949987 has 8 divisors, whose sum is 20380416
The reverse of 19949987 is 78994991
Previous prime number is 167

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2

Name

Name	nineteen million nine hundred forty-nine thousand nine hundred eighty-seven

Notation

Scientific notation	1.9949987 × 10^7
Engineering notation	1.9949987 × 10^6

Prime Factorization of 19949987

Prime Factorization 67 × 167 × 1783

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19949987	Product of the distinct prime numbers

The prime factorization of 19949987 is 67 × 167 × 1783. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 86, 60, 613, 890, 3451, 585, 88851, 54671, 349417, 404715, 7342251, 2276504, 72352791, 6485046, 582645644, 923572125, 8966132685, 2760907722

Basic calculations (n = 19949987)

Multiplication

n×y

n×2	39899974
n×3	59849961
n×4	79799948
n×5	99749935

Division

n÷y

n÷2	9974993.5
n÷3	6649995.6666667
n÷3	4987496.75
n÷5	3989997.4

Exponentiation

n^y

n²	398001981300169
n³	7.9401343529126E+21
n⁴	1.5840557711886E+29
n⁵	3.1601892042488E+36

Nth Root

^y√n

²√n	4466.5408315608
³√n	271.21531251735
⁴√n	66.832184099884
⁵√n	28.839552911868

Divisors of 19949987

1, 67, 167, 1783, 11189, 119461, 297761, 19949987

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	-19949986	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 19949987 can be divided by 8 positive divisors. The sum of these divisors (counting 19949987) is 1, the average is 0.125.

Base conversion 19949987

Base	System	Value
2	Binary	1001100000110100110100011
3	Ternary	1101112120020102
4	Quaternary	1030012212203
5	Quinary	20101344422
6	Senary	1551333015
8	Octal	114064643
10	Decimal	19949987
12	Duodecimal	682116b
16	Hexadecimal	13069a3
20	Vigesimal	64dej7
36	Base36	bvlib

Cryptographic Hash Functions

md5	190d5f2c2bd360c224db30eee7498d87
sha1	a8b0c0257a898d67085eea48bf1af8e2cd6c7ef3
sha256	1a1c1857a0a6f718c8baf21514a173e8b27f609275bc9a99944227bf0c49c3dc
sha512	0c4d789d770cf7abf925217bf0408e2dd0a21eea5593e6e99347bfb2c6cc452955b37069f2d3418403dbac50986cb8ecc6723a5d535a1b3b5a961135f5b1852f
ripemd-160	5871fd760a2e7906a655574de24938eafb69e56e

19949987 as geometric shapes

Circle

Radius = n

Diameter	39899974
Circumference	125349465.19682
Area	1.2503601005668E+15

Sphere

Radius = n

Volume	3.3259557002168E+22
Surface area	5.0014404022672E+15
Circumference	125349465.19682

Square

Length = n

Perimeter	79799948
Area	398001981300169
Diagonal	28213542.184567

Cube

Length = n

Surface area	2388011887801014
Volume	7.9401343529126E+21
Space diagonal	34554391.094339

Equilateral Triangle

Length = n

Perimeter	59849961
Area	1.7233991328124E+14
Altitude	17277195.547169

Triangular Pyramid

Length = n

Surface area	1.7233991328124E+14
Volume	9.357538074128E+20
Height	9404514.0615223