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

19981345 (number)

19981345 is an odd 8-digits composite number following 19981344 and preceding 19981346. In scientific notation, it is written as 1.9981345 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 15644784 positive integers (up to 19981345) that are relatively prime to 19981345.

Interesting facts

19981345 has 8 divisors, whose sum is 24488064
The reverse of 19981345 is 54318991
Previous prime number is 47

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

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

Notation

Scientific notation	1.9981345 × 10^7
Engineering notation	1.9981345 × 10^6

Prime Factorization of 19981345

Prime Factorization 5 × 47 × 85027

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19981345	Product of the distinct prime numbers

The prime factorization of 19981345 is 5 × 47 × 85027. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 92, 95, 146, 922, 4051, 5046, 19764, 10130, 233721, 475458, 2200456, 7342164, 36328734, 96884597, 771784519, 601008942, 4621046061, 3783434999

Basic calculations (n = 19981345)

Multiplication

n×y

n×2	39962690
n×3	59944035
n×4	79925380
n×5	99906725

Division

n÷y

n÷2	9990672.5
n÷3	6660448.3333333
n÷3	4995336.25
n÷5	3996269

Exponentiation

n^y

n²	399254148009025
n³	7.9776348740494E+21
n⁴	1.5940387470241E+29
n⁵	3.1851038147657E+36

Nth Root

^y√n

²√n	4470.0497760092
³√n	271.3573396381
⁴√n	66.858430852131
⁵√n	28.84861339538

Divisors of 19981345

1, 5, 47, 235, 85027, 425135, 3996269, 19981345

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	-19981344	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 19981345 can be divided by 8 positive divisors. The sum of these divisors (counting 19981345) is 1, the average is 0.125.

Base conversion 19981345

Base	System	Value
2	Binary	1001100001110010000100001
3	Ternary	1101121011020211
4	Quaternary	1030032100201
5	Quinary	20103400340
6	Senary	1552134121
8	Octal	114162041
10	Decimal	19981345
12	Duodecimal	6837341
16	Hexadecimal	130e421
20	Vigesimal	64hd75
36	Base36	bw9pd

Cryptographic Hash Functions

md5	8dedfe6e5a7bc236bd179bfa5c10b212
sha1	e3985da9d8fbea496ffd290101853028ce69d17a
sha256	58d62bac5018c1001f7e79028dd11f28cb5a33d8af0be24853de882d99c4b527
sha512	ff5e0c852b3e9d8fd4467bfdd13efcb9097993829fd8e20b72997e74e18ddaf2afea7594986ee9b01f4702319d22496dcc95fac2f0482f566710842901e56c15
ripemd-160	44e40bf9bc0762d9f38662211ec87310d43c01bc

19981345 as geometric shapes

Circle

Radius = n

Diameter	39962690
Circumference	125546493.32169
Area	1.2542938983004E+15

Sphere

Radius = n

Volume	3.341663881778E+22
Surface area	5.0171755932016E+15
Circumference	125546493.32169

Square

Length = n

Perimeter	79925380
Area	399254148009025
Diagonal	28257889.093456

Cube

Length = n

Surface area	2395524888054150
Volume	7.9776348740494E+21
Space diagonal	34608704.743562

Equilateral Triangle

Length = n

Perimeter	59944035
Area	1.7288211737106E+14
Altitude	17304352.371781

Triangular Pyramid

Length = n

Surface area	1.7288211737106E+14
Volume	9.4017328621177E+20
Height	9419296.3644853