18379721 (number)

18379721 is an odd 8-digits composite number following 18379720 and preceding 18379722. In scientific notation, it is written as 1.8379721 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 6 positive divisors. There are 18122688 positive integers (up to 18379721) that are relatively prime to 18379721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8379721 × 10^7
Engineering notation 1.8379721 × 10^6

Prime Factorization of 18379721

Prime Factorization 73 × 73 × 3449

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 251777
Product of the distinct prime numbers

The prime factorization of 18379721 is 73 × 73 × 3449. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 18379721)

Multiplication

n×y
n×2 36759442
n×3 55139163
n×4 73518884
n×5 91898605

Division

n÷y
n÷2 9189860.5
n÷3 6126573.6666667
n÷3 4594930.25
n÷5 3675944.2

Exponentiation

ny
n2 337814144037841
n3 6.2089297172693E+21
n4 1.1411839591202E+29
n5 2.0974642778305E+36

Nth Root

y√n
2√n 4287.1576831276
3√n 263.9042017354
4√n 65.476390272583
5√n 28.370551808277

Divisors of 18379721

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -18379720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 18379721 can be divided by 6 positive divisors. The sum of these divisors (counting 18379721) is 1, the average is 0.16666666666667.

Base conversion 18379721

Base System Value
2 Binary 1000110000111001111001001
3 Ternary 1021120210020102
4 Quaternary 1012013033021
5 Quinary 14201122341
6 Senary 1453535145
8 Octal 106071711
10 Decimal 18379721
12 Duodecimal 61a44b5
16 Hexadecimal 11873c9
20 Vigesimal 5eh961
36 Base36 axxvt

Cryptographic Hash Functions

md5 e3845c73de6f2a19ad837a494c4e439e
sha1 1dd339aec194f0bad01eab6cc74ee3c792935da6
sha256 8bafa1ad365efc8a5a92da107638059eb847eb78f87febd8430f400ed3fbc454
sha512 1bb64633a2855252bf9e56687409ef57e52f7ac7bffe8d3aa43aaf9b2171c1bfb85f7a03c951bcc5d0db3141564a9e29b400ccb66071f954da66f3800619dcf8
ripemd-160 7bb010ebad3022484cac26895b253698d3e8507a

18379721 as geometric shapes

Circle

Radius = n
Diameter 36759442
Circumference 115483192.93726
Area 1.061274433188E+15

Sphere

Radius = n
Volume 2.6007903981905E+22
Surface area 4.245097732752E+15
Circumference 115483192.93726

Square

Length = n
Perimeter 73518884
Area 337814144037841
Diagonal 25992850.710834

Cube

Length = n
Surface area 2026884864227046
Volume 6.2089297172693E+21
Space diagonal 31834610.600941

Equilateral Triangle

Length = n
Perimeter 55139163
Area 1.4627781524723E+14
Altitude 15917305.30047

Triangular Pyramid

Length = n
Surface area 1.4627781524723E+14
Volume 7.3172938449864E+20
Height 8664283.5702779