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

19981916 (number)

19981916 is an even 8-digits composite number following 19981915 and preceding 19981917. In scientific notation, it is written as 1.9981916 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 6 positive divisors. There are 9990956 positive integers (up to 19981916) that are relatively prime to 19981916.

Interesting facts

19981916 has 6 divisors, whose sum is 34968360
The reverse of 19981916 is 61918991
Previous prime number is 2

Basic properties

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

Name

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

Notation

Scientific notation	1.9981916 × 10^7
Engineering notation	1.9981916 × 10^6

Prime Factorization of 19981916

Prime Factorization 2 × 2 × 4995479

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	9990958	Product of the distinct prime numbers

The prime factorization of 19981916 is 2 × 2 × 4995479. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 1, 68, 42, 980, 939, 5895, 9501, 71420, 50378, 145488, 453015, 3342155, 3645318, 66340514, 36333166, 374117450, 451306993, 4772797051, 5822120988

Basic calculations (n = 19981916)

Multiplication

n×y

n×2	39963832
n×3	59945748
n×4	79927664
n×5	99909580

Division

n÷y

n÷2	9990958
n÷3	6660638.6666667
n÷3	4995479
n÷5	3996383.2

Exponentiation

n^y

n²	399276967031056
n³	7.9783188159493E+21
n⁴	1.5942209640152E+29
n⁵	3.1855589388391E+36

Nth Root

^y√n

²√n	4470.1136450878
³√n	271.35992444183
⁴√n	66.858908494589
⁵√n	28.848778272869

Divisors of 19981916

1, 2, 4, 4995479, 9990958, 19981916

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19981915	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19981916 can be divided by 6 positive divisors. The sum of these divisors (counting 19981916) is 1, the average is 0.16666666666667.

Base conversion 19981916

Base	System	Value
2	Binary	1001100001110011001011100
3	Ternary	1101121012000222
4	Quaternary	1030032121130
5	Quinary	20103410131
6	Senary	1552140512
8	Octal	114163134
10	Decimal	19981916
12	Duodecimal	6837738
16	Hexadecimal	130e65c
20	Vigesimal	64hefg
36	Base36	bwa58

Cryptographic Hash Functions

md5	9105fd3ead4277f6940e2ff7f2b90ef8
sha1	266e4d3b805b6a92d1253a4ade7f689f4fcfc6b5
sha256	775f0b8ba2ecafaff44780b2da7942bcba4bdba57c3a1ca3ed258ebf4f5307a5
sha512	dc894cb646139e996c6a50ee7d58e1df19d0eb38b9e38d6939b44152189b068419cbd5b6571a45855d49847d5b4d0fac2ef8dbc3d2e38f97c6831092718e37b7
ripemd-160	5bff356b974524d457726b4556d26e9e7983ddc5

19981916 as geometric shapes

Circle

Radius = n

Diameter	39963832
Circumference	125550081.0205
Area	1.2543655863724E+15

Sphere

Radius = n

Volume	3.3419503706912E+22
Surface area	5.0174623454895E+15
Circumference	125550081.0205

Square

Length = n

Perimeter	79927664
Area	399276967031056
Diagonal	28258696.6094

Cube

Length = n

Surface area	2395661802186336
Volume	7.9783188159493E+21
Space diagonal	34609693.744573

Equilateral Triangle

Length = n

Perimeter	59945748
Area	1.7289199829745E+14
Altitude	17304846.872287

Triangular Pyramid

Length = n

Surface area	1.7289199829745E+14
Volume	9.4025388953767E+20
Height	9419565.5364666