18842988 (number)

18842988 is an even 8-digits composite number following 18842987 and preceding 18842989. In scientific notation, it is written as 1.8842988 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors. There are 6238800 positive integers (up to 18842988) that are relatively prime to 18842988.

Interesting facts

Basic properties

Name

Name eighteen million eight hundred forty-two thousand nine hundred eighty-eight

Notation

Scientific notation 1.8842988 × 10^7
Engineering notation 1.8842988 × 10^6

Prime Factorization of 18842988

Prime Factorization 2 × 2 × 3 × 151 × 10399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9421494
Product of the distinct prime numbers

The prime factorization of 18842988 is 2 × 2 × 3 × 151 × 10399. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 83, 9, 647, 148, 8429, 2527, 77250, 48355, 425016, 534521, 7041255, 1344026, 77944316, 10014319, 737616831, 794867339, 9733909155, 9706793587

Basic calculations (n = 18842988)

Multiplication

n×y
n×2 37685976
n×3 56528964
n×4 75371952
n×5 94214940

Division

n÷y
n÷2 9421494
n÷3 6280996
n÷3 4710747
n÷5 3768597.6

Exponentiation

ny
n2 355058196768144
n3 6.6903573410038E+21
n4 1.2606632309225E+29
n5 2.3754662132313E+36

Nth Root

y√n
2√n 4340.851068627
3√n 266.10309381298
4√n 65.885135414803
5√n 28.512149157047

Divisors of 18842988

1, 2, 3, 4, 6, 12, 151, 302, 453, 604, 906, 1812, 10399, 20798, 31197, 41596, 62394, 124788, 1570249, 3140498, 4710747, 6280996, 9421494, 18842988

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 -18842987
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 18842988 can be divided by 24 positive divisors. The sum of these divisors (counting 18842988) is 1, the average is 0.041666666666667.

Base conversion 18842988

Base System Value
2 Binary 1000111111000010101101100
3 Ternary 1022110022201110
4 Quaternary 1013320111230
5 Quinary 14310433423
6 Senary 1511512020
8 Octal 107702554
10 Decimal 18842988
12 Duodecimal 6388610
16 Hexadecimal 11f856c
20 Vigesimal 5hf798
36 Base36 b7vcc

Cryptographic Hash Functions

md5 fec8562881f0a5f2dcdfeff4fd07cc36
sha1 115aea9d4440d59c3db415eb222025db7f14959d
sha256 7095064ed9c33114bb160595c09b7deedf768fc3720d1683ddfece381f428d69
sha512 e9c47289cd864633d810a0e8b4b8dffb4ba395963b2c93386b67eb96a1eff1ecd64933414dc5216d4a908d0ff8c43e54f87408ee45d92eb6d1c5df2a89a7d244
ripemd-160 d2e7c8072ce181464e6db2ef7ed394174e83021f

18842988 as geometric shapes

Circle

Radius = n
Diameter 37685976
Circumference 118393985.34496
Area 1.1154482225636E+15

Sphere

Radius = n
Volume 2.8024503296517E+22
Surface area 4.4617928902546E+15
Circumference 118393985.34496

Square

Length = n
Perimeter 75371952
Area 355058196768144
Diagonal 26648009.185233

Cube

Length = n
Surface area 2130349180608864
Volume 6.6903573410038E+21
Space diagonal 32637012.582411

Equilateral Triangle

Length = n
Perimeter 56528964
Area 1.5374470911155E+14
Altitude 16318506.291205

Triangular Pyramid

Length = n
Surface area 1.5374470911155E+14
Volume 7.8846617406416E+20
Height 8882669.7284112