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

19985921 (number)

19985921 is an odd 8-digits composite number following 19985920 and preceding 19985922. In scientific notation, it is written as 1.9985921 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 19973844 positive integers (up to 19985921) that are relatively prime to 19985921.

Interesting facts

19985921 has 4 divisors, whose sum is 19998000
The reverse of 19985921 is 12958991
Previous prime number is 1979

Basic properties

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

Name

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

Notation

Scientific notation	1.9985921 × 10^7
Engineering notation	1.9985921 × 10^6

Prime Factorization of 19985921

Prime Factorization 1979 × 10099

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	19985921	Product of the distinct prime numbers

The prime factorization of 19985921 is 1979 × 10099. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 7, 6, 2, 994, 426, 6232, 6781, 43893, 33190, 355490, 443687, 4977588, 9099823, 74605675, 6432218, 143272690, 216576275, 5779180237, 770509771

Basic calculations (n = 19985921)

Multiplication

n×y

n×2	39971842
n×3	59957763
n×4	79943684
n×5	99929605

Division

n÷y

n÷2	9992960.5
n÷3	6661973.6666667
n÷3	4996480.25
n÷5	3997184.2

Exponentiation

n^y

n²	399437038218241
n³	7.9831170903037E+21
n⁴	1.5954994750056E+29
n⁵	3.1887526463004E+36

Nth Root

^y√n

²√n	4470.5615978309
³√n	271.37805289852
⁴√n	66.86225839613
⁵√n	28.849934619388

Divisors of 19985921

1, 1979, 10099, 19985921

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	-19985920	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 19985921 can be divided by 4 positive divisors. The sum of these divisors (counting 19985921) is 1, the average is 0.25.

Base conversion 19985921

Base	System	Value
2	Binary	1001100001111011000000001
3	Ternary	1101121101112022
4	Quaternary	1030033120001
5	Quinary	20104022141
6	Senary	1552211225
8	Octal	114173001
10	Decimal	19985921
12	Duodecimal	6839b15
16	Hexadecimal	130f601
20	Vigesimal	64i4g1
36	Base36	bwd8h

Cryptographic Hash Functions

md5	6dd827de6fa70375e3d05cd25f04cd38
sha1	541dc0177639ed0f1dd4aece8eeaa40c81ab2dec
sha256	85534f039de6223d8b3a1d8101dd16cbf259693b48139ed80d4cb2ba7f1a9d74
sha512	8c9740587834d39c9f8e7f048ebba01b66a504e36a607368f699ad56bfb8ae2b3ffc98fd71a91a23e742b41ce4684759d6b4d44f32e50260fb4c2742fc340226
ripemd-160	870931aa73b28e4e9bae1bc2dd05a10bfdee63c3

19985921 as geometric shapes

Circle

Radius = n

Diameter	39971842
Circumference	125575245.17765
Area	1.2548684648381E+15

Sphere

Radius = n

Volume	3.3439602671527E+22
Surface area	5.0194738593524E+15
Circumference	125575245.17765

Square

Length = n

Perimeter	79943684
Area	399437038218241
Diagonal	28264360.534717

Cube

Length = n

Surface area	2396622229309446
Volume	7.9831170903037E+21
Space diagonal	34616630.608058

Equilateral Triangle

Length = n

Perimeter	59957763
Area	1.7296131115471E+14
Altitude	17308315.304029

Triangular Pyramid

Length = n

Surface area	1.7296131115471E+14
Volume	9.4081937159333E+20
Height	9421453.5115724