18749940 (number)

18749940 is an even 8-digits composite number following 18749939 and preceding 18749941. In scientific notation, it is written as 1.8749940 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors. There are 4545280 positive integers (up to 18749940) that are relatively prime to 18749940.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8749940 × 10^7
Engineering notation 1.8749940 × 10^6

Prime Factorization of 18749940

Prime Factorization 2 × 2 × 15 × 11 × 28409

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9374970
Product of the distinct prime numbers

The prime factorization of 18749940 is 2 × 2 × 15 × 11 × 28409. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 9, 48, 83, 716, 602, 4357, 1450, 67951, 73642, 254746, 317907, 3884580, 9651860, 22059782, 11021154, 879350924, 399347036, 1634096648, 7038911429

Basic calculations (n = 18749940)

Multiplication

n×y
n×2 37499880
n×3 56249820
n×4 74999760
n×5 93749700

Division

n÷y
n÷2 9374970
n÷3 6249980
n÷3 4687485
n÷5 3749988

Exponentiation

ny
n2 351560250003600
n3 6.5917335939525E+21
n4 1.2359460938259E+29
n5 2.3173915102471E+36

Nth Root

y√n
2√n 4330.1200907134
3√n 265.66435891973
4√n 65.803648004601
5√n 28.483934371665

Divisors of 18749940

1, 2, 4, 11, 15, 22, 30, 44, 60, 165, 330, 660, 28409, 56818, 113636, 312499, 426135, 624998, 852270, 1249996, 1704540, 4687485, 9374970, 18749940

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 -18749939
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 18749940 can be divided by 24 positive divisors. The sum of these divisors (counting 18749940) is 1, the average is 0.041666666666667.

Base conversion 18749940

Base System Value
2 Binary 1000111100001100111110100
3 Ternary 1022021121002020
4 Quaternary 1013201213310
5 Quinary 14244444230
6 Senary 1505513140
8 Octal 107414764
10 Decimal 18749940
12 Duodecimal 63427b0
16 Hexadecimal 11e19f4
20 Vigesimal 5h3eh0
36 Base36 b5vjo

Cryptographic Hash Functions

md5 9cbbf7cc95b0112334a4689d5e5a6f2f
sha1 b5ff096d54746ed39edcfba4b6a956393ad1a318
sha256 9fdd9df0c266de86c69df12b4225d81aa13a3e07f1f1a42c4c04e90b2d30be42
sha512 475634a9a3f60557f1e0c6318139c805ea61201b636c31bb1656a40fa76ffd405df53e1ff00314a957cee06f866b9ac79d39187dc4fffeb0cb2859e7cc63eb45
ripemd-160 ade104cf83d3d2c06a4152eee478b03d8f963c38

18749940 as geometric shapes

Circle

Radius = n
Diameter 37499880
Circumference 117809347.5185
Area 1.1044590987055E+15

Sphere

Radius = n
Volume 2.761138911091E+22
Surface area 4.417836394822E+15
Circumference 117809347.5185

Square

Length = n
Perimeter 74999760
Area 351560250003600
Diagonal 26516419.441682

Cube

Length = n
Surface area 2109361500021600
Volume 6.5917335939525E+21
Space diagonal 32475848.718868

Equilateral Triangle

Length = n
Perimeter 56249820
Area 1.5223005373196E+14
Altitude 16237924.359434

Triangular Pyramid

Length = n
Surface area 1.5223005373196E+14
Volume 7.7684325400983E+20
Height 8838806.4805606