18949970 (number)

18949970 is an even 8-digits composite number following 18949969 and preceding 18949971. In scientific notation, it is written as 1.8949970 × 10^7. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 6996288 positive integers (up to 18949970) that are relatively prime to 18949970.

Interesting facts

Basic properties

Name

Name eighteen million nine hundred forty-nine thousand nine hundred seventy

Notation

Scientific notation 1.8949970 × 10^7
Engineering notation 1.8949970 × 10^6

Prime Factorization of 18949970

Prime Factorization 2 × 5 × 13 × 13 × 11213

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1457690
Product of the distinct prime numbers

The prime factorization of 18949970 is 2 × 5 × 13 × 13 × 11213. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 6, 82, 46, 591, 301, 4702, 3370, 44152, 62881, 683237, 637818, 5008105, 5559966, 56886154, 27842781, 109368698, 331598022, 5375088806, 8709682255

Basic calculations (n = 18949970)

Multiplication

n×y
n×2 37899940
n×3 56849910
n×4 75799880
n×5 94749850

Division

n÷y
n÷2 9474985
n÷3 6316656.6666667
n÷3 4737492.5
n÷5 3789994

Exponentiation

ny
n2 359101363000900
n3 6.8049600558262E+21
n4 1.289537889091E+29
n5 2.4436704312139E+36

Nth Root

y√n
2√n 4353.1563261615
3√n 266.60574823738
4√n 65.978453499317
5√n 28.544451708892

Divisors of 18949970

1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 11213, 22426, 56065, 112130, 145769, 291538, 728845, 1457690, 1894997, 3789994, 9474985, 18949970

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 -18949969
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 18949970 can be divided by 24 positive divisors. The sum of these divisors (counting 18949970) is 1, the average is 0.041666666666667.

Base conversion 18949970

Base System Value
2 Binary 1001000010010011101010010
3 Ternary 1022122202110202
4 Quaternary 1020102131102
5 Quinary 14322344340
6 Senary 1514055202
8 Octal 110223522
10 Decimal 18949970
12 Duodecimal 641a502
16 Hexadecimal 1212752
20 Vigesimal 5i8eia
36 Base36 ba5w2

Cryptographic Hash Functions

md5 21ce9b796254e444f01525e4c1abb650
sha1 32cc9415cdd2505c6f50b9d24c4a7ac029fdd304
sha256 15eddcd84f145daddc007a40e070762c8169fef171e431606a924c697ac72a15
sha512 bae68b87bdfd9a068a1471bd74ddbe8a51bc903728fb592c61ddffecc0dc9dcb70589549372b82f9018a25909b42f854f88fc63f0de53f1e9511af010e573bc9
ripemd-160 6d26d9aa40bd6fdf9bcf77e023de4e3220a7d43d

18949970 as geometric shapes

Circle

Radius = n
Diameter 37899940
Circumference 119066173.07549
Area 1.1281502038977E+15

Sphere

Radius = n
Volume 2.8504550025807E+22
Surface area 4.5126008155908E+15
Circumference 119066173.07549

Square

Length = n
Perimeter 75799880
Area 359101363000900
Diagonal 26799304.580563

Cube

Length = n
Surface area 2154608178005400
Volume 6.8049600558262E+21
Space diagonal 32822310.841906

Equilateral Triangle

Length = n
Perimeter 56849910
Area 1.554954514462E+14
Altitude 16411155.420953

Triangular Pyramid

Length = n
Surface area 1.554954514462E+14
Volume 8.0197223352971E+20
Height 8933101.5268544