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

19981855 (number)

19981855 is an odd 8-digits composite number following 19981854 and preceding 19981856. In scientific notation, it is written as 1.9981855 × 10^7. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 15966528 positive integers (up to 19981855) that are relatively prime to 19981855.

Interesting facts

19981855 has 8 divisors, whose sum is 24006672
The reverse of 19981855 is 55818991
Previous prime number is 1097

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1

Name

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

Notation

Scientific notation	1.9981855 × 10^7
Engineering notation	1.9981855 × 10^6

Prime Factorization of 19981855

Prime Factorization 5 × 1097 × 3643

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19981855	Product of the distinct prime numbers

The prime factorization of 19981855 is 5 × 1097 × 3643. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 36, 11, 717, 551, 6972, 6422, 25703, 53243, 263817, 62063, 5263875, 533996, 90411009, 3573899, 42479904, 439044893, 2013986120, 960206109

Basic calculations (n = 19981855)

Multiplication

n×y

n×2	39963710
n×3	59945565
n×4	79927420
n×5	99909275

Division

n÷y

n÷2	9990927.5
n÷3	6660618.3333333
n÷3	4995463.75
n÷5	3996371

Exponentiation

n^y

n²	399274529241025
n³	7.9782457484874E+21
n⁴	1.5942014970064E+29
n⁵	3.1855103153965E+36

Nth Root

^y√n

²√n	4470.1068219898
³√n	271.35964830928
⁴√n	66.858857468475
⁵√n	28.848760659167

Divisors of 19981855

1, 5, 1097, 3643, 5485, 18215, 3996371, 19981855

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	-19981854	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 19981855 can be divided by 8 positive divisors. The sum of these divisors (counting 19981855) is 1, the average is 0.125.

Base conversion 19981855

Base	System	Value
2	Binary	1001100001110011000011111
3	Ternary	1101121011221201
4	Quaternary	1030032120133
5	Quinary	20103404410
6	Senary	1552140331
8	Octal	114163037
10	Decimal	19981855
12	Duodecimal	68376a7
16	Hexadecimal	130e61f
20	Vigesimal	64hecf
36	Base36	bwa3j

Cryptographic Hash Functions

md5	73647162ec63df834c8981a70a7b95a0
sha1	9b9792fb60a0f6d1af2a000cab829c46948f90df
sha256	8062ce74ce2d56767493a7ec98ebab8bb4ec42f666bc3f95218ef6acd34537ad
sha512	ffa9b68355bd3ce3771a700a6846b03f94a8318cb1d0ca34a361f9ad8699674f667127279a0e23274180978e285489f6fd355a8a44b9c7693b45e31684cc03ef
ripemd-160	bff1630aa278f5a4cad539676b4a21950eb3e6c9

19981855 as geometric shapes

Circle

Radius = n

Diameter	39963710
Circumference	125549697.74619
Area	1.2543579278291E+15

Sphere

Radius = n

Volume	3.3419197642643E+22
Surface area	5.0174317113165E+15
Circumference	125549697.74619

Square

Length = n

Perimeter	79927420
Area	399274529241025
Diagonal	28258610.342373

Cube

Length = n

Surface area	2395647175446150
Volume	7.9782457484874E+21
Space diagonal	34609588.089474

Equilateral Triangle

Length = n

Perimeter	59945565
Area	1.728909427034E+14
Altitude	17304794.044737

Triangular Pyramid

Length = n

Surface area	1.728909427034E+14
Volume	9.402452784547E+20
Height	9419536.7807909