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

19987997 (number)

19987997 is an odd 8-digits composite number following 19987996 and preceding 19987998. In scientific notation, it is written as 1.9987997 × 10^7. The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors. There are 19967580 positive integers (up to 19987997) that are relatively prime to 19987997.

Interesting facts

19987997 has 4 divisors, whose sum is 20008416
The reverse of 19987997 is 79978991
Previous prime number is 1031

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 59
Digital Root 5

Name

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

Notation

Scientific notation	1.9987997 × 10^7
Engineering notation	1.9987997 × 10^6

Prime Factorization of 19987997

Prime Factorization 1031 × 19387

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19987997	Product of the distinct prime numbers

The prime factorization of 19987997 is 1031 × 19387. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 35, 99, 502, 884, 8634, 5346, 16280, 67668, 559649, 365307, 771143, 8639165, 23847172, 58970240, 7182295, 701719301, 1383060912, 594984530

Basic calculations (n = 19987997)

Multiplication

n×y

n×2	39975994
n×3	59963991
n×4	79951988
n×5	99939985

Division

n÷y

n÷2	9993998.5
n÷3	6662665.6666667
n÷3	4996999.25
n÷5	3997599.4

Exponentiation

n^y

n²	399520024072009
n³	7.9856050425912E+21
n⁴	1.596162496345E+29
n⁵	3.1904091188456E+36

Nth Root

^y√n

²√n	4470.7937773957
³√n	271.38744886835
⁴√n	66.863994626373
⁵√n	28.85053394104

Divisors of 19987997

1, 1031, 19387, 19987997

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	-19987996	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 19987997 can be divided by 4 positive divisors. The sum of these divisors (counting 19987997) is 1, the average is 0.25.

Base conversion 19987997

Base	System	Value
2	Binary	1001100001111111000011101
3	Ternary	1101121111101012
4	Quaternary	1030033320131
5	Quinary	20104103442
6	Senary	1552225005
8	Octal	114177035
10	Decimal	19987997
12	Duodecimal	683b165
16	Hexadecimal	130fe1d
20	Vigesimal	64i9jh
36	Base36	bweu5

Cryptographic Hash Functions

md5	165cb6ab492b2914800ba2ebf18fb32c
sha1	93cd2a23f11645a7d5274532d560548f62eb4149
sha256	60db32eb17fb56c6baaddc5c2ea44c351ef910f8d12fc341f5c37eb5e6ff98f5
sha512	0d1c52a70aa1bcf16938b09f823deab65d19d65800892f0847c680c5932ad4a5de1776c91fb9d12bda3c833d497ed383888d1fe472ad6ec272332314280bad5f
ripemd-160	61db4f934b4591df07701ada873e6d0c20226230

19987997 as geometric shapes

Circle

Radius = n

Diameter	39975994
Circumference	125588289.07035
Area	1.2551291725866E+15

Sphere

Radius = n

Volume	3.3450024181699E+22
Surface area	5.0205166903466E+15
Circumference	125588289.07035

Square

Length = n

Perimeter	79951988
Area	399520024072009
Diagonal	28267296.442073

Cube

Length = n

Surface area	2397120144432054
Volume	7.9856050425912E+21
Space diagonal	34620226.345534

Equilateral Triangle

Length = n

Perimeter	59963991
Area	1.7299724508347E+14
Altitude	17310113.172767

Triangular Pyramid

Length = n

Surface area	1.7299724508347E+14
Volume	9.4111257958229E+20
Height	9422432.1473576