18391703921712

Names of 18391703921712

• Cardinal: 18391703921712 can be written as Eighteen trillion, three hundred ninety-one billion, seven hundred three million, nine hundred twenty-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8391703921712 × 10¹³

Factors of 18391703921712

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1267

Divisors of 18391703921712

• Number of divisors d(n): 810
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 23 24 33 36 41 44 46 48 66 69 72 82 88 92 99 121 123 132 138 144 164 176 184 198 207 242 246 253 264 276 328 363 368 369 396 414 451 484 492 506 528 529 552 656 726 738 759 792 828 902 943 968 984 1012 1058 1089 1104 1187 1353 1452 1476 1518 1584 1587 1656 1681 1804 1886 1936 1968 2024 2116 2178 2277 2374 2706 2783 2829 2904 2952 3036 3174 3312 3362 3561 3608 3772 4048 4059 4232 4356 4554 4748 4761 4961 5043 5412 5566 5658 5808 5819 5904 6072 6348 6724 7122 7216 7544 8118 8349 8464 8487 8712 9108 9496 9522 9922 10086 10373 10683 10824 11132 11316 11638 12144 12696 13057 13448 14244 14883 15088 15129 16236 16698 16974 17424 17457 18216 18491 18992 19044 19844 20172 20746 21366 21648 21689 22264 22632 23276 25047 25392 26114 26896 27301 28488 29766 30258 31119 32472 33396 33948 34914 36432 36982 38088 38663 39171 39688 40344 41492 42732 43378 44528 44649 45264 46552 48667 50094 52228 52371 54602 55473 56976 59532 60516 62238 64009 64944 65067 66792 67896 69828 73964 76176 77326 78342 79376 80688 81903 82984 85464 86756 89298 93104 93357 97334 100188 104456 104742 109204 110946 114103 115989 117513 119064 121032 124476 128018 130134 133584 135792 139656 143627 146001 147928 154652 156684 163806 165968 166419 170928 173512 178596 186714 192027 194668 195201 200376 203401 208912 209484 218408 221892 228206 231978 235026 238128 238579 242064 245709 248952 256036 260268 279312 287254 292002 295856 300311 309304 313368 327612 332838 342309 347024 347967 357192 373428 384054 389336 390402 400752 406802 418968 425293 430881 436816 438003 443784 456412 463956 470052 477158 491418 497904 512072 520536 535337 574508 576081 584004 600622 610203 618608 626736 627923 655224 665676 684618 695934 714384 715737 746856 768108 778672 780804 813604 837936 850586 861762 876006 887568 889249 900933 912824 927912 940104 954316 982836 1024144 1026927 1041072 1070674 1119341 1149016 1152162 1168008 1201244 1220406 1255846 1275879 1292643 1310448 1331352 1369236 1391868 1431474 1493712 1536216 1561608 1606011 1627208 1701172 1723524 1752012 1778498 1801866 1825648 1830609 1855824 1880208 1883769 1908632 1965672 1995347 2053854 2141348 2147211 2238682 2298032 2304324 2336016 2402488 2440812 2511692 2551758 2585286 2624369 2662704 2667747 2702799 2738472 2783736 2862948 3072432 3123216 3212022 3254416 3303421 3358023 3402344 3447048 3504024 3556996 3603732 3661218 3767538 3817264 3827637 3931344 3990694 4107708 4282696 4294422 4477364 4608648 4678223 4804976 4818033 4881624 5023384 5103516 5170572 5248738 5335494 5405598 5476944 5567472 5651307 5725896 5888707 5986041 6424044 6606842 6716046 6804688 6894096 6907153 7008048 7113992 7207464 7322436 7535076 7655274 7873107 7981388 8003241 8215416 8565392 8588844 8954728 9217296 9356446 9636066 9763248 9781739 9910263 10046768 10074069 10207032 10341144 10497476 10670988 10811196 11302614 11451792 11777414 11972082 12312751 12848088 13213684 13432092 13814306 14034669 14227984 14414928 14644872 15070152 15310548 15746214 15962776 16006482 16430832 17177688 17666121 17909456 17958123 18712892 19272132 19563478 19820526 20148138 20414064 20682288 20721459 20994952 21341976 21622392 21948817 22605228 23554828 23619321 23944164 24625502 25696176 25744843 26427368 26864184 27628612 28069338 29289744 29345217 29730789 30140304 30621096 31492428 31925552 32012964 34355376 35332242 35916246 36938253 37425784 38544264 39126956 39641052 40296276 41442918 41989904 42104007 42683952 43244784 43897634 45210456 45892981 47109656 47238642 47888328 49251004 51489686 52854736 52998363 53728368 55257224 56138676 58690434 59461578 61242192 62164377 62984856 64025928 65846451 70664484 71832492 73876506 74851568 75978683 77088528 77234529 78253912 79282104 80592552 82885836 84208014 87795268 88035651 90420912 91785962 94219312 94477284 95776656 98502008 102979372 105996726 107599129 110514448 110814759 112277352 117380868 118923156 124328754 125969712 128051856 131692902 135440261 137678943 141328968 143664984 147753012 151957366 154469058 156507824 158564208 161185104 165771672 168416028 175590536 176071302 183571924 188954568 197004016 197539353 205958744 211993452 215198258 221629518 224554704 227936049 231703587 234761736 237846312 241436987 248657508 263385804 270880522 275357886 282657936 283193273 287329968 295506024 303914732 308938116 322797387 331543344 336832056 351181072 352142604 367143848 377909136 395078706 406320783 411917488 413036829 423986904 430396516 443259036 455872098 463407174 469523472 475692624 482873974 497315016 504822791 526771608 541761044 550715772 566386546 591012048 607829464 617876232 645594774 673664112 683808147 704285208 724310961 734287696 790157412 812641566 826073658 847973808 849579819 860793032 886518072 911744196 926814348 965747948 968392161 994630032 1009645582 1053543216 1055538563 1083522088 1101431544 1132773092 1215658928 1218962349 1235752464 1291189548 1367616294 1408570416 1448621922 1514468373 1580314824 1625283132 1652147316 1699159638 1721586064 1773036144 1823488392 1853628696 1931495896 1936784322 2019291164 2111077126 2167044176 2172932883 2202863088 2265546184 2437924698 2548739457 2582379096 2735232588 2897243844 3028936746 3115126003 3160629648 3166615689 3250566264 3304294632 3398319276 3646976784 3707257392 3862991792 3873568644 4038582328 4222154252 4345865766 4531092368 4543405119 4875849396 5097478914 5164758192 5470465176 5553050701 5794487688 6057873492 6230252006 6333231378 6501132528 6608589264 6796638552 7747137288 8077164656 8444308504 8691731532 9086810238 9345378009 9499847067 9751698792 10194957828 10940930352 11106101402 11588975376 11610924193 12115746984 12460504012 12666462756 13593277104 15494274576 16659152103 16888617008 17383463064 18173620476 18690756018 18999694134 19503397584 20389915656 22212202804 23221848386 24231493968 24921008024 25332925512 28036134027 33318304206 34766926128 34832772579 36347240952 37381512036 37999388268 40779831312 44424405608 46443696772 49842016048 49977456309 50665851024 56072268054 66636608412 69665545158 72694481904 74763024072 75998776536 88848811216 92887393544 99954912618 104498317737 112144536108 127720166123 133273216824 139331090316 149526048144 151997553072 185774787088 199909825236 208996635474 224289072216 255440332246 266546433648 278662180632 383160498369 399819650472 417993270948 448578144432 510880664492 557324361264 766320996738 799639300944 835986541896 1021761328984 1149481495107 1532641993476 1671973083792 2043522657968 2298962990214 3065283986952 4597925980428 6130567973904 9195851960856 18391703921712
• Sum of all divisors σ(n): 60671332950228
• Sum of proper divisors (its aliquot sum) s(n): 42279629028516
• 18391703921712 is an abundant number, because the sum of its proper divisors (42279629028516) is greater than itself. Its abundance is 23887925106804

Bases of 18391703921712

• Binary: 100001011101000100110111110101010010000110000₂
• Hexadecimal: 0x10BA26FAA430
• Base-36: 6IP15NL80

Squares and roots of 18391703921712

• 18391703921712 squared (18391703921712²) is 338254773143916560625010944
• 18391703921712 cubed (18391703921712³) is 6221081637768773103822316580597719216128
• The square root of 18391703921712 is 4288554.9922686079
• The cube root of 18391703921712 is 26396.1541314399

Scales and comparisons

• 18,391,703,921,712 seconds is equal to 584,799 years, 15 weeks, 2 days, 12 hours, 55 minutes, 12 seconds.
• To count from 1 to 18,391,703,921,712 would take you about one million, four hundred sixty-one thousand, nine hundred ninety-eight 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 18391703921712 cubic inches would be around 2199.7 feet tall.

Recreational maths with 18391703921712

• 18391703921712 backwards is 21712930719381
• The number of decimal digits it has is: 14
• The sum of 18391703921712's digits is 54
• More coming soon!