18205745818212

Names of 18205745818212

• Cardinal: 18205745818212 can be written as Eighteen trillion, two hundred five billion, seven hundred forty-five million, eight hundred eighteen thousand, two hundred twelve.

Scientific notation

• Scientific notation: 1.8205745818212 × 10¹³

Factors of 18205745818212

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 2796

Divisors of 18205745818212

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 37 41 54 74 81 82 108 111 123 148 162 164 222 243 246 324 333 369 444 486 492 666 729 738 972 999 1107 1332 1369 1458 1476 1517 1681 1998 2214 2713 2738 2916 2997 3034 3321 3362 3996 4107 4428 4551 5043 5426 5476 5994 6068 6642 6724 8139 8214 8991 9102 9963 10086 10852 11988 12321 13284 13653 15129 16278 16428 17982 18204 19926 20172 24417 24642 26973 27306 29889 30258 32556 35964 36963 39852 40959 45387 48834 49284 53946 54612 56129 59778 60516 62197 73251 73926 81918 90774 97668 100381 107892 110889 111233 112258 119556 122877 124394 136161 146502 147852 163836 168387 181548 186591 200762 219753 221778 222466 224516 245754 248788 272322 293004 301143 332667 333699 336774 368631 373182 401524 408483 439506 443556 444932 491508 505161 544644 559773 602286 659259 665334 667398 673548 737262 746364 816966 879012 903429 998001 1001097 1010322 1105893 1119546 1204572 1225449 1318518 1330668 1334796 1474524 1515483 1633932 1679319 1806858 1977777 1996002 2002194 2020644 2211786 2239092 2301289 2450898 2637036 2710287 3003291 3030966 3358638 3613716 3714097 3955554 3992004 4004388 4115621 4423572 4546449 4560553 4602578 4901796 5037957 5420574 6006582 6061932 6717276 6903867 7428194 7911108 8130861 8231242 9009873 9092898 9121106 9205156 10075914 10841148 11142291 12013164 12346863 13639347 13681659 13807734 14856388 15113871 16261722 16462484 18019746 18185796 18242212 20151828 20711601 22284582 24392583 24693726 27029619 27278694 27363318 27615468 30227742 32523444 33426873 36039492 37040589 40918041 41044977 41423202 44569164 45341613 48785166 49387452 54059238 54557388 54726636 60455484 62134803 66853746 73177749 74081178 81088857 81836082 82089954 82846404 90683226 97570332 100280619 108118476 111121767 123134931 124269606 133707492 146355498 148162356 152277977 162177714 163672164 164179908 168740461 181366452 186404409 200561238 222243534 246269862 248539212 292710996 300841857 304555954 324355428 333365301 337480922 369404793 372808818 401122476 444487068 456833931 492539724 506221383 559213227 601683714 609111908 666730602 674961844 738809586 745617636 902525571 913667862 1000095903 1012442766 1108214379 1118426454 1203367428 1333461204 1370501793 1477619172 1518664149 1677639681 1805051142 1827335724 2000191806 2024885532 2216428758 2236852908 2707576713 2741003586 3000287709 3037328298 3324643137 3355279362 3610102284 4000383612 4111505379 4432857516 4555992447 5415153426 5482007172 6000575418 6074656596 6243397057 6649286274 6710558724 8223010758 9111984894 10830306852 12001150836 12334516137 12486794114 13298572548 13667977341 16446021516 18223969788 18730191171 24669032274 24973588228 27335954682 37003548411 37460382342 41003932023 49338064548 54671909364 56190573513 74007096822 74920764684 82007864046 111010645233 112381147026 123011796069 148014193644 164015728092 168571720539 222021290466 224762294052 246023592138 337143441078 444042580932 492047184276 505715161617 674286882156 1011430323234 1517145484851 2022860646468 3034290969702 4551436454553 6068581939404 9102872909106 18205745818212
• Sum of all divisors σ(n): 50339328752454
• Sum of proper divisors (its aliquot sum) s(n): 32133582934242
• 18205745818212 is an abundant number, because the sum of its proper divisors (32133582934242) is greater than itself. Its abundance is 13927837116030

Bases of 18205745818212

• Binary: 100001000111011011011000000110010101001100100₂
• Hexadecimal: 0x108EDB032A64
• Base-36: 6GBLR0290

Squares and roots of 18205745818212

• 18205745818212 squared (18205745818212²) is 331449180797343725350876944
• 18205745818212 cubed (18205745818212³) is 6034279537251033659644305375635006104128
• The square root of 18205745818212 is 4266819.1686796383
• The cube root of 18205745818212 is 26306.8889596339

Scales and comparisons

• 18,205,745,818,212 seconds is equal to 578,886 years, 20 weeks, 6 days, 16 hours, 10 minutes, 12 seconds.
• To count from 1 to 18,205,745,818,212 would take you about one million, four hundred forty-seven thousand, two hundred sixteen 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 18205745818212 cubic inches would be around 2192.2 feet tall.

Recreational maths with 18205745818212

• 18205745818212 backwards is 21281854750281
• 18205745818212 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18205745818212's digits is 54
• More coming soon!