18998985038625

Names of 18998985038625

• Cardinal: 18998985038625 can be written as Eighteen trillion, nine hundred ninety-eight billion, nine hundred eighty-five million, thirty-eight thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.8998985038625 × 10¹³

Factors of 18998985038625

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4053

Divisors of 18998985038625

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 9 15 25 29 37 45 61 67 75 87 111 125 145 183 185 201 225 261 305 333 335 375 435 549 555 603 725 915 925 1005 1073 1125 1305 1525 1665 1675 1769 1943 2175 2257 2479 2745 2775 3015 3219 3625 3851 4087 4575 4625 5025 5307 5365 5829 6525 6771 7437 7625 8325 8375 8845 9657 9715 10875 11285 11553 12261 12395 13725 13875 15075 15921 16095 17487 19255 20313 20435 22311 22875 25125 26535 26825 29145 32625 33855 34659 36783 37185 41625 44225 48285 48575 56425 57765 61305 61975 65453 68625 71891 75375 79605 80475 87435 96275 101565 102175 111555 111679 118523 132675 134125 142487 145725 151219 169275 173295 183915 185925 196359 215673 221125 234911 241425 242875 258017 282125 288825 306525 309875 327265 335037 355569 359455 398025 402375 427461 437175 453657 481375 507825 510875 557775 558395 589077 592615 647019 663375 704733 712435 728625 756095 774051 846375 866475 919575 929625 981795 1005111 1066707 1078365 1174555 1207125 1282383 1290085 1360971 1444125 1532625 1636325 1675185 1777845 1797275 1990125 2114199 2137305 2185875 2268285 2322153 2539125 2788875 2791975 2945385 2963075 3235095 3523665 3562175 3780475 3870255 4132123 4332375 4385351 4597875 4908975 5025555 5333535 5391825 5872775 6411915 6450425 6804855 6812419 7482493 8181625 8375925 8691707 8889225 8986375 9546629 10570995 10686525 11341425 11610765 12396369 13156053 13959875 14726925 14815375 15739037 16175475 17618325 17810875 18902375 19351275 20437257 20660615 21926755 22447479 24544875 25127775 26075121 26667675 26959125 28639887 29363875 32059575 32252125 34024275 34062095 37189107 37412465 39468159 41879625 43458535 44446125 47217111 47733145 52854975 53432625 56707125 58053825 61311771 61981845 65780265 67342437 73634625 78225363 78695185 80877375 85919661 88091625 96756375 102186285 103303075 109633775 112237395 125638875 130375605 133338375 141651333 143199435 160297875 170121375 170310475 185945535 187062325 197340795 217292675 236085555 238665725 252059503 264274875 276852241 290269125 306558855 309909225 328901325 336712185 391126815 393475925 429598305 456432073 510931425 516515375 548168875 561186975 582344369 651878025 708256665 715997175 756178509 830556723 851552375 929727675 935311625 986703975 1086463375 1180427775 1193328625 1260297515 1369296219 1384261205 1532794275 1549546125 1644506625 1683560925 1747033107 1955634075 1967379625 2147991525 2268535527 2282160365 2491670169 2554657125 2805934875 2911721845 3259390125 3541283325 3579985875 3780892545 4107888657 4152783615 4648638375 4933519875 5241099321 5902138875 6301487575 6846481095 6921306025 7663971375 8417804625 8735165535 9778170375 10739957625 11342677635 11410801825 12458350845 14558609225 16887986701 17706416625 18904462725 20539443285 20763918075 26205496605 31507437875 34232405475 34606530125 43675827675 50663960103 56713388175 57054009125 62291754225 72793046125 84439933505 94522313625 102697216425 103819590375 131027483025 151991880309 171162027375 218379138375 253319800515 283566940875 311458771125 422199667525 513486082125 655137415125 759959401545 1266599002575 2110998337625 3799797007725 6332995012875 18998985038625
• Sum of all divisors σ(n): 37545654781440
• Sum of proper divisors (its aliquot sum) s(n): 18546669742815
• 18998985038625 is a deficient number, because the sum of its proper divisors (18546669742815) is less than itself. Its deficiency is 452315295810

Bases of 18998985038625

• Binary: 100010100011110001011110000010001101100100001₂
• Hexadecimal: 0x11478BC11B21
• Base-36: 6QG0H5HY9

Squares and roots of 18998985038625

• 18998985038625 squared (18998985038625²) is 360961432497896592741890625
• 18998985038625 cubed (18998985038625³) is 6857900855548185227285544750671150390625
• The square root of 18998985038625 is 4358782.5179314693
• The cube root of 18998985038625 is 26683.5413340909

Scales and comparisons

• 18,998,985,038,625 seconds is equal to 604,108 years, 49 weeks, 5 days, 4 hours, 3 minutes, 45 seconds.
• To count from 1 to 18,998,985,038,625 would take you about one million, five hundred ten thousand, two hundred seventy-two years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18998985038625 cubic inches would be around 2223.6 feet tall.

Recreational maths with 18998985038625

• 18998985038625 backwards is 52683058989981
• The number of decimal digits it has is: 14
• The sum of 18998985038625's digits is 81
• More coming soon!