21481901868375

Names of 21481901868375

• Cardinal: 21481901868375 can be written as Twenty-one trillion, four hundred eighty-one billion, nine hundred one million, eight hundred sixty-eight thousand, three hundred seventy-five.

Scientific notation

• Scientific notation: 2.1481901868375 × 10¹³

Factors of 21481901868375

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 57

Divisors of 21481901868375

• Number of divisors d(n): 720
• Complete list of divisors:
  1 3 5 9 13 15 17 19 25 27 39 45 51 57 65 75 85 95 117 125 135 153 169 171 195 221 225 247 255 285 289 323 325 351 361 375 425 459 475 507 513 585 663 675 741 765 845 855 867 969 975 1083 1105 1125 1235 1275 1425 1445 1521 1615 1625 1755 1805 1989 2125 2223 2295 2375 2535 2565 2601 2873 2907 2925 3211 3249 3315 3375 3705 3757 3825 4199 4225 4275 4335 4563 4693 4845 4875 5415 5491 5525 5967 6137 6175 6375 6669 6859 7125 7225 7605 7803 8075 8619 8721 8775 9025 9633 9747 9945 11115 11271 11475 12597 12675 12825 13005 14079 14365 14535 14625 16055 16245 16473 16575 18411 18525 18785 19125 20577 20995 21125 21375 21675 22815 23465 24225 25857 27075 27455 27625 28899 29835 30685 30875 33345 33813 34295 36125 37791 38025 39015 40375 42237 43095 43605 43875 45125 48165 48735 48841 49419 49725 54587 55233 55575 56355 57375 61009 61731 62985 63375 64125 65025 70395 71383 71825 72675 77571 79781 80275 81225 82365 82875 86697 89167 92055 92625 93925 101439 102885 104329 104975 108375 113373 114075 116603 117325 121125 126711 129285 130321 135375 137275 144495 146523 148257 149175 153425 163761 165699 166725 169065 171475 183027 185193 188955 190125 195075 211185 214149 215475 218025 239343 240825 243675 244205 247095 248625 267501 272935 276165 277875 281775 305045 308655 312987 314925 325125 349809 351975 356915 359125 363375 387855 390963 398905 401375 406125 411825 433485 439569 445835 460275 469625 491283 507195 514425 521645 524875 549081 566865 570375 583015 586625 633555 642447 646425 651605 686375 718029 722475 732615 741285 745875 767125 802503 818805 828495 833625 845325 857375 915135 925965 927979 938961 944775 975375 1037153 1049427 1055925 1070745 1077375 1090125 1159171 1172889 1196715 1204125 1218375 1221025 1235475 1318707 1337505 1356277 1364675 1380825 1408875 1473849 1515839 1525225 1543275 1564935 1574625 1647243 1694173 1749045 1759875 1784575 1927341 1939275 1954815 1982251 1994525 2059125 2154087 2167425 2197845 2215457 2229175 2301375 2407509 2456415 2535975 2572125 2608225 2745405 2783937 2816883 2834325 2915075 3111459 3148281 3167775 3212235 3232125 3258025 3477513 3518667 3590145 3612375 3663075 3706425 4012515 4068831 4094025 4142475 4226625 4547517 4575675 4629825 4639895 4694805 4723875 5082519 5185765 5247135 5279625 5353725 5795855 5864445 5946753 5983575 6105125 6177375 6593535 6646371 6687525 6781385 6823375 6904125 7369245 7579195 7626125 7716375 7824675 8236215 8351811 8470865 8745225 8922875 9334377 9636705 9696375 9774075 9911255 9972625 10432539 10770435 10837125 10989225 11077285 11145875 12037545 12206493 12282075 12679875 13041125 13642551 13727025 13919685 14084415 14171625 14575375 15247557 15557295 15741405 15838875 16061175 16290125 17387565 17593335 17631601 17840259 17950725 18315375 18532125 19705907 19939113 20062575 20344155 20470125 20712375 22024249 22737585 22878375 23149125 23199475 23474025 25055433 25412595 25769263 25928825 26235675 26768625 28003131 28800941 28979275 29322225 29733765 29917875 31297617 32967675 33231855 33437625 33906925 36619479 36846225 37662769 37895975 39123375 40927653 41181075 41759055 42354325 43726125 45742671 46671885 48183525 48870375 49556275 52162695 52894803 53520777 53852175 54946125 55386425 59117721 59817339 60187725 61032465 61410375 66072747 68212755 68635125 69598425 70422075 76237785 77307789 77786475 78707025 80305875 86402823 86937825 87966675 88158005 89201295 89753625 98529535 99695565 100312875 101720775 110121245 112988307 113687925 115997375 117370125 125277165 127062975 128846315 129644125 131178375 140015655 144004705 144896375 146611125 148668825 156488085 158684409 164838375 166159275 169534625 177353163 183097395 184231125 188313845 189479875 198218241 204638265 205905375 208795275 211771625 228713355 231923367 233359425 240917625 247781375 259208469 260813475 264474015 267603885 269260875 276932125 295588605 299086695 300938625 305162325 330363735 335000419 338964921 341063775 347992125 352110375 374412233 381188925 386538945 388932375 393535125 432014115 434689125 439833375 440790025 446006475 476053227 489615997 492647675 498477825 508603875 532059489 550606225 564941535 568439625 594654723 626385825 635314875 644231575 695770101 700078275 720023525 743344125 777625407 782440425 793422045 830796375 886765815 915486975 941569225 991091205 1005001257 1016894763 1023191325 1043976375 1123236699 1143566775 1159616835 1166797125 1296042345 1304067375 1322370075 1338019425 1468847991 1477943025 1495433475 1525811625 1651818675 1675002095 1694824605 1705318875 1872061165 1905944625 1932694725 2160070575 2203950125 2230032375 2380266135 2448079985 2463238375 2492389125 2660297445 2753031125 2824707675 2973273615 3015003771 3131929125 3221157875 3369710097 3478850505 3500391375 3600117625 3888127035 3912202125 3967110225 4406543973 4433829075 4577434875 4707846125 4955456025 5025006285 5084473815 5115956625 5616183495 5717833875 5798084175 6365007961 6480211725 6611850375 6690097125 7344239955 7389715125 7477167375 8259093375 8375010475 8474123025 9045011313 9360305825 9663473625 10109130291 10800352875 11901330675 12240399925 13219631919 13301487225 14123538375 14866368075 15075018855 16848550485 17394252525 19095023883 19440635175 19835551125 22032719865 22169145375 24777280125 25125031425 25422369075 28080917475 28990420875 31825039805 32401058625 36721199775 41875052375 42370615125 45225056565 46801529125 50545651455 57285071649 59506653375 61201999625 66098159595 66507436125 74331840375 75375094275 84242752425 86971262625 95475119415 97203175875 110163599325 125625157125 127111845375 140404587375 159125199025 171855214947 183605998875 226125282825 252728257275 286425358245 330490797975 376875471375 421213762125 477375597075 550817996625 795625995125 859276074735 1130626414125 1263641286375 1432126791225 1652453989875 2386877985375 4296380373675 7160633956125 21481901868375
• Sum of all divisors σ(n): 48224682735840
• Sum of proper divisors (its aliquot sum) s(n): 26742780867465
• 21481901868375 is an abundant number, because the sum of its proper divisors (26742780867465) is greater than itself. Its abundance is 5260878999090

Bases of 21481901868375

• Binary: 100111000100110100101001000010100010101010111₂
• Hexadecimal: 0x1389A5214557
• Base-36: 7M4NDQ53R

Squares and roots of 21481901868375

• 21481901868375 squared (21481901868375²) is 461472107882493315825140625
• 21481901868375 cubed (21481901868375³) is 9913298536523882726177537346984615234375
• The square root of 21481901868375 is 4634857.2651566089
• The cube root of 21481901868375 is 27798.6843866023

Scales and comparisons

• 21,481,901,868,375 seconds is equal to 683,058 years, 1 week, 4 days, 11 hours, 26 minutes, 15 seconds.
• To count from 1 to 21,481,901,868,375 would take you about one million, seven hundred seven thousand, six hundred forty-five 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 21481901868375 cubic inches would be around 2316.6 feet tall.

Recreational maths with 21481901868375

• 21481901868375 backwards is 57386810918412
• The number of decimal digits it has is: 14
• The sum of 21481901868375's digits is 63
• More coming soon!