18998420 (number)

18998420 is an even 8-digits composite number following 18998419 and preceding 18998421. In scientific notation, it is written as 1.8998420 × 10^7. The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors. There are 6441984 positive integers (up to 18998420) that are relatively prime to 18998420.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred ninety-eight thousand four hundred twenty

Notation

Scientific notation 1.8998420 × 10^7
Engineering notation 1.8998420 × 10^6

Prime Factorization of 18998420

Prime Factorization 2 × 2 × 35 × 97 × 1399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9499210
Product of the distinct prime numbers

The prime factorization of 18998420 is 2 × 2 × 35 × 97 × 1399. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 2, 88, 85, 904, 138, 6781, 4365, 94624, 5373, 901740, 536564, 2032154, 2312683, 43544744, 54187859, 376580445, 576175907, 3242325994, 7170226643

Basic calculations (n = 18998420)

Multiplication

n×y
n×2 37996840
n×3 56995260
n×4 75993680
n×5 94992100

Division

n÷y
n÷2 9499210
n÷3 6332806.6666667
n÷3 4749605
n÷5 3799684

Exponentiation

ny
n2 360939962496400
n3 6.8572890022909E+21
n4 1.302776565269E+29
n5 2.4750696353138E+36

Nth Root

y√n
2√n 4358.7177013429
3√n 266.83276804504
4√n 66.020585436233
5√n 28.559032908636

Divisors of 18998420

1, 2, 4, 35, 70, 97, 140, 194, 388, 1399, 2798, 3395, 5596, 6790, 13580, 48965, 97930, 135703, 195860, 271406, 542812, 4749605, 9499210, 18998420

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18998419
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18998420 can be divided by 24 positive divisors. The sum of these divisors (counting 18998420) is 1, the average is 0.041666666666667.

Base conversion 18998420

Base System Value
2 Binary 1001000011110010010010100
3 Ternary 1022202012221012
4 Quaternary 1020132102110
5 Quinary 14330422140
6 Senary 1515111352
8 Octal 110362224
10 Decimal 18998420
12 Duodecimal 6442558
16 Hexadecimal 121e494
20 Vigesimal 5ieg10
36 Base36 bb79w

Cryptographic Hash Functions

md5 cea8c5b7d329a4ccdce70a3985a96731
sha1 d69405e59db92a67d492ef4502b9e3dfabae9f82
sha256 fb3506bbb21bc749393f289d34c12b7588aec224f59040f471cb0fc551e76d68
sha512 b93b597e86906fdb33c27fd5db3f91fd38e8c6bda42b96f39dc2c65b6bb96bcd8fe53f36fe79d657ea2e68c3dab39f29a0ce61b59d388b75bd31f0418f298052
ripemd-160 d4fae79cf0857159eab5f9753b1e6e9b4ffa44d1

18998420 as geometric shapes

Circle

Radius = n
Diameter 37996840
Circumference 119370593.40363
Area 1.1339263345657E+15

Sphere

Radius = n
Volume 2.8723745004185E+22
Surface area 4.5357053382627E+15
Circumference 119370593.40363

Square

Length = n
Perimeter 75993680
Area 360939962496400
Diagonal 26867823.22766

Cube

Length = n
Surface area 2165639774978400
Volume 6.8572890022909E+21
Space diagonal 32906228.703533

Equilateral Triangle

Length = n
Perimeter 56995260
Area 1.5629158838144E+14
Altitude 16453114.351766

Triangular Pyramid

Length = n
Surface area 1.5629158838144E+14
Volume 8.0813925901263E+20
Height 8955941.0758868