18993938015942544

Names of 18993938015942544

• Cardinal: 18993938015942544 can be written as Eighteen quadrillion, nine hundred ninety-three trillion, nine hundred thirty-eight billion, fifteen million, nine hundred forty-two thousand, five hundred forty-four.

Scientific notation

• Scientific notation: 1.8993938015942544 × 10¹⁶

Factors of 18993938015942544

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 862

Divisors of 18993938015942544

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 34 48 51 53 68 102 106 136 159 204 212 272 289 318 408 424 578 636 787 816 848 867 901 1156 1272 1574 1734 1802 2312 2361 2544 2703 2809 3148 3468 3604 4624 4722 5406 5618 6296 6936 7208 8427 9444 10812 11236 12592 13379 13872 14416 15317 16854 18888 21624 22472 26758 30634 33708 37776 40137 41711 43248 44944 45951 47753 53516 61268 67416 80274 83422 91902 95506 107032 122536 125133 134832 143259 160548 166844 183804 191012 214064 227443 245072 250266 286518 321096 333688 367608 382024 454886 500532 573036 619369 642192 667376 682329 709087 735216 764048 811801 909772 1001064 1146072 1238738 1364658 1418174 1623602 1819544 1858107 2002128 2127261 2210683 2292144 2435403 2477476 2729316 2836348 3247204 3639088 3716214 4254522 4421366 4870806 4954952 5458632 5672696 6494408 6632049 7432428 8509044 8842732 9741612 9909904 10529273 10917264 11345392 12054479 12988816 13264098 14864856 17018088 17685464 19483224 21058546 24108958 26528196 29729712 31587819 32826557 34036176 35370928 36163437 37581611 38966448 42117092 48217916 53056392 63175638 65653114 72326874 75163222 84234184 96435832 98479671 106112784 112744833 126351276 131306228 144653748 150326444 168468368 178997641 192871664 196959342 225489666 252702552 262612456 289307496 300652888 357995282 393918684 450979332 487443403 505405104 525224912 536992923 558051469 578614992 601305776 638887387 715990564 787837368 901958664 974886806 1073985846 1116102938 1277774774 1431981128 1462330209 1575674736 1674154407 1739807521 1803917328 1916662161 1949773612 2147971692 2232205876 2555549548 2863962256 2924660418 3348308814 3479615042 3833324322 3899547224 4295943384 4464411752 5111099096 5219422563 5849320836 6696617628 6959230084 7666648644 7799094448 8286537851 8591886768 8928823504 9486874973 10222198192 10438845126 11698641672 13393235256 13918460168 15333297288 16573075702 18973749946 20877690252 23397283344 24859613553 25834500359 26786470512 27836920336 28460624919 29576727857 30666594576 33146151404 37947499892 41755380504 49719227106 51669000718 56921249838 59153455714 66292302808 75894999784 77503501077 83510761008 88730183571 99438454212 103338001436 113842499676 118306911428 132584605616 140871143467 151789999568 155007002154 177460367142 198876908424 206676002872 227684999352 236613822856 281742286934 310014004308 354920734284 397753816848 413352005744 422613430401 439186506103 455369998704 473227645712 502804373569 563484573868 620028008616 709841468568 845226860802 878373012206 1005608747138 1126969147736 1240056017232 1317559518309 1369228519027 1419682937136 1508413120707 1690453721604 1756746024412 2011217494276 2253938295472 2635119036618 2738457038054 3016826241414 3380907443208 3513492048824 4022434988552 4107685557081 5270238073236 5476914076108 6033652482828 6761814886416 7026984097648 7466170603751 8044869977104 8215371114162 10540476146472 10953828152216 12067304965656 14932341207502 16430742228324 21080952292944 21907656304432 22398511811253 23276884823459 24134609931312 29864682415004 32861484456648 44797023622506 46553769646918 59729364830008 65722968913296 69830654470377 89594047245012 93107539293836 119458729660016 139661308940754 179188094490024 186215078587672 279322617881508 358376188980048 372430157175344 395707041998803 558645235763016 791414083997606 1117290471526032 1187121125996409 1582828167995212 2374242251992818 3165656335990424 4748484503985636 6331312671980848 9496969007971272 18993938015942544
• Sum of all divisors σ(n): 53193405112755040
• Sum of proper divisors (its aliquot sum) s(n): 34199467096812496
• 18993938015942544 is an abundant number, because the sum of its proper divisors (34199467096812496) is greater than itself. Its abundance is 15205529080869952

Bases of 18993938015942544

• Binary: 1000011011110101110001011010000010100110111011110010000₂
• Hexadecimal: 0x437AE2D0537790
• Base-36: 570SENXQU1C

Squares and roots of 18993938015942544

• 18993938015942544 squared (18993938015942544²) is 360769681353467384850708709191936
• 18993938015942544 cubed (18993938015942544³) is 6852436965659102111720133813999019511443644125184
• The square root of 18993938015942544 is 137818496.6393935963
• The cube root of 18993938015942544 is 266811.7832426063

Scales and comparisons

• 18,993,938,015,942,544 seconds is equal to 603,948,476 years, 41 weeks, 3 days, 21 hours, 22 minutes, 24 seconds.
• To count from 1 to 18,993,938,015,942,544 would take you about one billion, eight hundred eleven million, eight hundred forty-five thousand, four hundred thirty 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 18993938015942544 cubic inches would be around 22234.3 feet tall.

Recreational maths with 18993938015942544

• 18993938015942544 backwards is 44524951083939981
• The number of decimal digits it has is: 17
• The sum of 18993938015942544's digits is 84
• More coming soon!