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

19985981 (number)

19985981 is an odd 8-digits composite number following 19985980 and preceding 19985982. In scientific notation, it is written as 1.9985981 × 10^7. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 19699200 positive integers (up to 19985981) that are relatively prime to 19985981.

Interesting facts

19985981 has 8 divisors, whose sum is 20274744
The reverse of 19985981 is 18958991
Previous prime number is 457

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5

Name

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

Notation

Scientific notation	1.9985981 × 10^7
Engineering notation	1.9985981 × 10^6

Prime Factorization of 19985981

Prime Factorization 101 × 457 × 433

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19985981	Product of the distinct prime numbers

The prime factorization of 19985981 is 101 × 457 × 433. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 24, 35, 735, 336, 9542, 6531, 43359, 84264, 806661, 622688, 6948375, 1748507, 32003211, 67134134, 53785553, 271414061, 972329655, 3580814785

Basic calculations (n = 19985981)

Multiplication

n×y

n×2	39971962
n×3	59957943
n×4	79943924
n×5	99929905

Division

n÷y

n÷2	9992990.5
n÷3	6661993.6666667
n÷3	4996495.25
n÷5	3997196.2

Exponentiation

n^y

n²	399439436532361
n³	7.9831889891865E+21
n⁴	1.5955186345729E+29
n⁵	3.188800511572E+36

Nth Root

^y√n

²√n	4470.5683083921
³√n	271.37832446747
⁴√n	66.862308578093
⁵√n	28.849951941522

Divisors of 19985981

1, 101, 433, 457, 43733, 46157, 197881, 19985981

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	-19985980	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 19985981 can be divided by 8 positive divisors. The sum of these divisors (counting 19985981) is 1, the average is 0.125.

Base conversion 19985981

Base	System	Value
2	Binary	1001100001111011000111101
3	Ternary	1101121101121112
4	Quaternary	1030033120331
5	Quinary	20104022411
6	Senary	1552211405
8	Octal	114173075
10	Decimal	19985981
12	Duodecimal	6839b65
16	Hexadecimal	130f63d
20	Vigesimal	64i4j1
36	Base36	bwda5

Cryptographic Hash Functions

md5	aeba11a9af12545cee6669f94d3d9784
sha1	02be3683b02b444cac4d69089e460c0568b7c4ac
sha256	2bc8fa7fcc1b66ecec2c73c26211ced1bac501a62eed5637482a6698434b8135
sha512	8a2328d8254a60208799f48cab965038602dfaec2ab1e8eec718423577443e3f059260b14923c32bf494b1f758e6c713d22ba0c36feb97ba687f59fd4bd89135
ripemd-160	f038c53cce0fb42e1fb79d80f1ad42fcd0773c76

19985981 as geometric shapes

Circle

Radius = n

Diameter	39971962
Circumference	125575622.16877
Area	1.2548759993641E+15

Sphere

Radius = n

Volume	3.3439903840863E+22
Surface area	5.0195039974564E+15
Circumference	125575622.16877

Square

Length = n

Perimeter	79943924
Area	399439436532361
Diagonal	28264445.387531

Cube

Length = n

Surface area	2396636619194166
Volume	7.9831889891865E+21
Space diagonal	34616734.531106

Equilateral Triangle

Length = n

Perimeter	59957943
Area	1.7296234965518E+14
Altitude	17308367.265553

Triangular Pyramid

Length = n

Surface area	1.7296234965518E+14
Volume	9.4082784495792E+20
Height	9421481.7958437