18378921 (number)

18378921 is an odd 8-digits composite number following 18378920 and preceding 18378922. In scientific notation, it is written as 1.8378921 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 10425600 positive integers (up to 18378921) that are relatively prime to 18378921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.8378921 × 10^7
Engineering notation 1.8378921 × 10^6

Prime Factorization of 18378921

Prime Factorization 3 × 17 × 11 × 181 × 181

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 101541
Product of the distinct prime numbers

The prime factorization of 18378921 is 3 × 17 × 11 × 181 × 181. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 9, 30, 28, 166, 692, 8815, 6084, 17309, 56087, 643309, 765168, 9096484, 7471037, 6141613, 90514689, 135559762, 818170270, 9515744380, 2382061438

Basic calculations (n = 18378921)

Multiplication

n×y
n×2 36757842
n×3 55136763
n×4 73515684
n×5 91894605

Division

n÷y
n÷2 9189460.5
n÷3 6126307
n÷3 4594730.25
n÷5 3675784.2

Exponentiation

ny
n2 337784737124241
n3 6.2081189986122E+21
n4 1.1409852863409E+29
n5 2.0970078439822E+36

Nth Root

y√n
2√n 4287.0643802024
3√n 263.90037276135
4√n 65.475677775815
5√n 28.370304831333

Divisors of 18378921

1, 3, 11, 17, 33, 51, 181, 187, 543, 561, 1991, 3077, 5973, 9231, 32761, 33847, 98283, 101541, 360371, 556937, 1081113, 1670811, 6126307, 18378921

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 -18378920
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 18378921 can be divided by 24 positive divisors. The sum of these divisors (counting 18378921) is 1, the average is 0.041666666666667.

Base conversion 18378921

Base System Value
2 Binary 1000110000111000010101001
3 Ternary 1021120202010210
4 Quaternary 1012013002221
5 Quinary 14201111141
6 Senary 1453531333
8 Octal 106070251
10 Decimal 18378921
12 Duodecimal 61a3b49
16 Hexadecimal 11870a9
20 Vigesimal 5eh761
36 Base36 axx9l

Cryptographic Hash Functions

md5 43390d5753bf0130298e52167319ff13
sha1 6e203e152df70fa141b65c0a949c0fd1f840d6ef
sha256 9049438ffd1fe5b812c7b6438e7deb0a91ecb549814e574459ffd680d70b306d
sha512 3668c12b2651ac9fa7adf8f1ce879366a4f5d5484587d05eb47e6f6802fbaf795b30050026bfdc3646406785dec41158a398087b775e75a4aea3f30251cc9a1b
ripemd-160 ca86314f3a20d7301e138d00db1dda7c8d5891ee

18378921 as geometric shapes

Circle

Radius = n
Diameter 36757842
Circumference 115478166.38901
Area 1.0611820486443E+15

Sphere

Radius = n
Volume 2.6004508051535E+22
Surface area 4.2447281945771E+15
Circumference 115478166.38901

Square

Length = n
Perimeter 73515684
Area 337784737124241
Diagonal 25991719.339984

Cube

Length = n
Surface area 2026708422745446
Volume 6.2081189986122E+21
Space diagonal 31833224.960295

Equilateral Triangle

Length = n
Perimeter 55136763
Area 1.4626508168012E+14
Altitude 15916612.480147

Triangular Pyramid

Length = n
Surface area 1.4626508168012E+14
Volume 7.3163384038862E+20
Height 8663906.4466612