18312001997804125

Names of 18312001997804125

• Cardinal: 18312001997804125 can be written as Eighteen quadrillion, three hundred twelve trillion, one billion, nine hundred ninety-seven million, eight hundred four thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.8312001997804125 × 10¹⁶

Factors of 18312001997804125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 431

Divisors of 18312001997804125

• Number of divisors d(n): 432
• Complete list of divisors:
  1 5 13 17 25 37 65 85 125 169 185 221 289 325 359 425 481 629 845 925 1105 1369 1445 1625 1795 2125 2405 2873 3145 3757 4225 4625 4667 4913 5525 6103 6253 6845 7225 8177 8975 10693 12025 13283 14365 15725 17797 18785 21125 23273 23335 24565 27625 30515 31265 34225 36125 40885 44875 48841 53465 60125 60671 63869 66415 71825 78625 79339 88985 93925 103751 106301 116365 116675 122825 128881 139009 152575 156325 171125 172679 181781 204425 225811 231361 244205 267325 302549 303355 319345 332075 359125 395641 396695 444925 469625 491471 518755 531505 581825 583375 614125 644405 695045 762875 781625 830297 863395 908905 1022125 1031407 1129055 1156805 1221025 1336625 1348763 1512745 1516775 1596725 1660375 1675453 1763767 1807117 1978205 1983475 2190977 2224625 2244827 2363153 2457355 2593775 2657525 2909125 2935543 3222025 3475225 3838787 3933137 4151485 4316975 4544525 4768597 5143333 5157035 5645275 5784025 6105125 6389123 6725897 6743815 7563725 7583875 7983625 8355007 8377265 8818835 9035585 9891025 9917375 10954885 11224135 11815765 12286775 12968875 13287625 14677715 16110125 17376125 17533919 19193935 19665685 20757425 21584875 21780889 22722625 22928971 23842985 25716665 25785175 28226375 28482701 28920125 30720989 31945615 33629485 33719075 37246609 37818625 38162059 41775035 41886325 44094175 45177925 49455125 49904231 54774425 56120675 59078825 61433875 61991761 65259379 66863329 73388575 81066149 83058599 87436661 87669595 95969675 98328425 103787125 108615091 108904445 114644855 119214925 128583325 128925875 142035119 142413505 153604945 159728075 168147425 168595375 176438089 186233045 190810295 208875175 209431625 220470875 225889625 249521155 273872125 280603375 295394125 298076623 309958805 326296895 334316645 366942875 370275113 405330745 415292995 437183305 438347975 479848375 484205917 491642125 543075455 544522225 573224275 596074625 633192353 642916625 648755003 710175595 712067525 768024725 798640375 805892893 840737125 848371927 882190445 931165225 954051475 1044375875 1053859937 1136676593 1247605775 1378124533 1411996183 1490383115 1549794025 1631484475 1671583225 1846456547 1851375565 2026653725 2076464975 2185916525 2191739875 2293695157 2414597023 2421029585 2715377275 2722611125 2866121375 2999447513 3165961765 3243775015 3550877975 3560337625 3840123625 4029464465 4241859635 4410952225 4655826125 4770257375 5269299685 5683382965 6238028875 6294676921 6890622665 7059980915 7451915575 7748970125 8157422375 8231500589 8357916125 9232282735 9256877825 10133268625 10382324875 10929582625 11028835051 11468475785 12072985115 12105147925 13576886375 13700179181 14997237565 15829808825 16218875075 17754389875 17915618929 20147322325 21209298175 22054761125 23428117061 24003935111 26346498425 28416914825 29818037041 31389761299 31473384605 34453113325 35299904575 37259577875 38992817669 41157502945 46161413675 46284389125 50990607721 55144175255 57342378925 60364925575 60525739625 68500895905 74986187825 79149044125 81094375375 89578094645 100736611625 106046490875 107009507657 117140585305 120019675555 131732492125 142084574125 149090185205 156948806495 157366923025 172265566625 176499522875 194964088345 205787514725 230807068375 232903046077 254953038605 275720876275 286711894625 301824627875 304565521793 342504479525 374930939125 408066896887 447890473225 506906629697 535047538285 585702926525 600098377775 662877900373 745450926025 784744032475 786834615125 866840331257 974820441725 1028937573625 1164515230385 1274765193025 1378604381375 1522827608965 1712522397625 2040334484435 2239452366125 2534533148485 2675237691425 2928514632625 3000491888875 3314389501865 3727254630125 3923720162375 3959351783309 4334201656285 4874102208625 5822576151925 6373825965125 7614138044825 8617412704849 10201672422175 11268924306341 12672665742425 13376188457125 16571947509325 19796758916545 21671008281425 29112880759625 38070690224125 43087063524245 51008362110875 56344621531705 63363328712125 82859737546625 98983794582725 108355041407125 146496015982433 215435317621225 281723107658525 494918972913625 732480079912165 1077176588106125 1408615538292625 3662400399560825 18312001997804125
• Sum of all divisors σ(n): 27098209636308720
• Sum of proper divisors (its aliquot sum) s(n): 8786207638504595
• 18312001997804125 is a deficient number, because the sum of its proper divisors (8786207638504595) is less than itself. Its deficiency is 9525794359299530

Bases of 18312001997804125

• Binary: 1000001000011101010101100110110001101001001001001011101₂
• Hexadecimal: 0x410EAB3634925D
• Base-36: 50B29KZM15P

Squares and roots of 18312001997804125

• 18312001997804125 squared (18312001997804125²) is 335329417167582265221321867015625
• 18312001997804125 cubed (18312001997804125³) is 6140552957095259291974511764790988876517064453125
• The square root of 18312001997804125 is 135321845.9739746715
• The cube root of 18312001997804125 is 263579.6896844079

Scales and comparisons

• 18,312,001,997,804,125 seconds is equal to 582,265,020 years, 41 weeks, 4 hours, 15 minutes, 25 seconds.
• To count from 1 to 18,312,001,997,804,125 would take you about one billion, seven hundred forty-six million, seven hundred ninety-five thousand and sixty-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 18312001997804125 cubic inches would be around 21965 feet tall.

Recreational maths with 18312001997804125

• 18312001997804125 backwards is 52140879910021381
• The number of decimal digits it has is: 17
• The sum of 18312001997804125's digits is 61
• More coming soon!