18743921 (number)

18743921 is an odd 8-digits composite number following 18743920 and preceding 18743922. In scientific notation, it is written as 1.8743921 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 16065924 positive integers (up to 18743921) that are relatively prime to 18743921.

Interesting facts

Basic properties

Name

Name eighteen million seven hundred forty-three thousand nine hundred twenty-one

Notation

Scientific notation 1.8743921 × 10^7
Engineering notation 1.8743921 × 10^6

Prime Factorization of 18743921

Prime Factorization 7 × 7 × 7 × 54647

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 382529
Product of the distinct prime numbers

The prime factorization of 18743921 is 7 × 7 × 7 × 54647. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18743921)

Multiplication

n×y
n×2 37487842
n×3 56231763
n×4 74975684
n×5 93719605

Division

n÷y
n÷2 9371960.5
n÷3 6247973.6666667
n÷3 4685980.25
n÷5 3748784.2

Exponentiation

ny
n2 351334574454241
n3 6.5853875081389E+21
n4 1.2343598320694E+29
n5 2.3136743177883E+36

Nth Root

y√n
2√n 4329.4250195609
3√n 265.63592851922
4√n 65.798366389759
5√n 28.482105386401

Divisors of 18743921

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 -18743920
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 18743921 can be divided by 8 positive divisors. The sum of these divisors (counting 18743921) is 1, the average is 0.125.

Base conversion 18743921

Base System Value
2 Binary 1000111100000001001110001
3 Ternary 1022021021211022
4 Quaternary 1013200021301
5 Quinary 14244301141
6 Senary 1505425225
8 Octal 107401161
10 Decimal 18743921
12 Duodecimal 633b215
16 Hexadecimal 11e0271
20 Vigesimal 5h2jg1
36 Base36 b5qwh

Cryptographic Hash Functions

md5 bd6f519f6255b68cf9e9ef530493b48d
sha1 fab0cae2d2d32aed492113eab86b220262a6ed40
sha256 e4c6d6595a89bbe4a81c0b3c75960fd0624d51d1977d70e54daf0fd9f2075bbf
sha512 23c07aa3e03378c97741c907b661fcc1669dde7c19da3fc734ea0bf8ca3d69e6a893764e797842b78da28817354aaafe7ed6a35f198d4d8028e117f6f3519fa9
ripemd-160 df6df56826460e764e33759f892c5655a5e66921

18743921 as geometric shapes

Circle

Radius = n
Diameter 37487842
Circumference 117771529.02613
Area 1.1037501180575E+15

Sphere

Radius = n
Volume 2.7584806688815E+22
Surface area 4.4150004722302E+15
Circumference 117771529.02613

Square

Length = n
Perimeter 74975684
Area 351334574454241
Diagonal 26507907.29025

Cube

Length = n
Surface area 2108007446725446
Volume 6.5853875081389E+21
Space diagonal 32465423.505057

Equilateral Triangle

Length = n
Perimeter 56231763
Area 1.5213233335258E+14
Altitude 16232711.752529

Triangular Pyramid

Length = n
Surface area 1.5213233335258E+14
Volume 7.7609536062437E+20
Height 8835969.09675