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

18941490 (number)

18941490 is an even 8-digits composite number following 18941489 and preceding 18941491. In scientific notation, it is written as 1.8941490 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 5051040 positive integers (up to 18941490) that are relatively prime to 18941490.

Interesting facts

18941490 has 8 divisors, whose sum is 29043756
The reverse of 18941490 is 09414981
Previous prime number is 45

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	eighteen million nine hundred forty-one thousand four hundred ninety

Notation

Scientific notation	1.8941490 × 10^7
Engineering notation	1.8941490 × 10^6

Prime Factorization of 18941490

Prime Factorization 2 × 45 × 210461

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	18941490	Product of the distinct prime numbers

The prime factorization of 18941490 is 2 × 45 × 210461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 85, 29, 930, 915, 9251, 3930, 36143, 14978, 623353, 823676, 1627752, 2736106, 97467851, 89649288, 698010108, 682083118, 8090709025, 7197993102

Basic calculations (n = 18941490)

Multiplication

n×y

n×2	37882980
n×3	56824470
n×4	75765960
n×5	94707450

Division

n÷y

n÷2	9470745
n÷3	6313830
n÷3	4735372.5
n÷5	3788298

Exponentiation

n^y

n²	358780043420100
n³	6.7958286046414E+21
n⁴	1.2872311955653E+29
n⁵	2.4382076818488E+36

Nth Root

^y√n

²√n	4352.1822112591
³√n	266.56597413637
⁴√n	65.971071017978
⁵√n	28.54189655667

Divisors of 18941490

1, 2, 45, 90, 210461, 420922, 9470745, 18941490

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	-18941489	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 18941490 can be divided by 8 positive divisors. The sum of these divisors (counting 18941490) is 1, the average is 0.125.

Base conversion 18941490

Base	System	Value
2	Binary	1001000010000011000110010
3	Ternary	1022122022211200
4	Quaternary	1020100120302
5	Quinary	14322111430
6	Senary	1513552030
8	Octal	110203062
10	Decimal	18941490
12	Duodecimal	6415616
16	Hexadecimal	1210632
20	Vigesimal	5i7dea
36	Base36	b9zci

Cryptographic Hash Functions

md5	441ce5a781a58414c1f247f5a4a82bab
sha1	73a787ddbd1274aa60224a83dc041d6a1b9fb03f
sha256	b4749f6743d87e78467f1b0eb2a4de5233c7664c21b49bc928a2fbba29ad7df3
sha512	a0a5bba607801105cfdb2794402f4612d190db9c9be168ff508ecd76d344a2ddaeaee5132f2f2e0e466cd2bdd61cdd5f94de11019a3761a10646dc75f03d306b
ripemd-160	364812ae779b6794796fd3b1ac9a5611e20fb6f5

18941490 as geometric shapes

Circle

Radius = n

Diameter	37882980
Circumference	119012891.66409
Area	1.1271407486632E+15

Sphere

Radius = n

Volume	2.8466300292529E+22
Surface area	4.5085629946529E+15
Circumference	119012891.66409

Square

Length = n

Perimeter	75765960
Area	358780043420100
Diagonal	26787312.049554

Cube

Length = n

Surface area	2152680260520600
Volume	6.7958286046414E+21
Space diagonal	32807623.051058

Equilateral Triangle

Length = n

Perimeter	56824470
Area	1.5535631598635E+14
Altitude	16403811.525529

Triangular Pyramid

Length = n

Surface area	1.5535631598635E+14
Volume	8.0089608168724E+20
Height	8929104.0165181