81343212166008

Names of 81343212166008

• Cardinal: 81343212166008 can be written as Eighty-one trillion, three hundred forty-three billion, two hundred twelve million, one hundred sixty-six thousand and eight.

Scientific notation

• Scientific notation: 8.1343212166008 × 10¹³

Factors of 81343212166008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 5916

Divisors of 81343212166008

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 29 36 39 52 54 58 72 78 87 104 108 116 117 156 174 216 232 234 261 312 348 351 377 468 522 696 702 754 783 841 936 1044 1131 1404 1508 1566 1682 2088 2262 2523 2808 3016 3132 3364 3393 4524 5046 5869 6264 6728 6786 7569 9048 10092 10179 10933 11738 13572 15138 17607 20184 20358 21866 22707 23476 27144 30276 32799 35214 40716 43732 45414 46952 52821 60552 65598 70428 76297 81432 87464 90828 98397 105642 131196 140856 152594 158463 170201 181656 196794 211284 228891 262392 295191 305188 316926 340402 393588 422568 457782 510603 590382 610376 633852 680804 686673 787176 915564 1021206 1180764 1267704 1361608 1373346 1531809 1831128 2042412 2060019 2212613 2361528 2746692 3063618 4084824 4120038 4425226 4595427 4935829 5493384 6127236 6637839 8240076 8850452 9190854 9871658 12254472 13275678 14807487 16480152 17700904 18381708 19743316 19913517 26551356 29614974 34445161 36763416 39486632 39827034 44422461 53102712 59229948 59740551 64165777 68890322 79654068 88844922 103335483 118459896 119481102 128331554 133267383 137780644 159308136 177689844 192497331 206670966 238962204 256663108 266534766 275561288 310006449 355379688 384994662 413341932 447787093 477924408 513326216 533069532 577491993 620012898 769989324 826683864 895574186 930019347 998909669 1066139064 1154983986 1240025796 1343361279 1539978648 1732475979 1791148372 1860038694 1997819338 2309967972 2480051592 2686722558 2996729007 3464951958 3582296744 3720077388 3995638676 4030083837 4619935944 5373445116 5993458014 6929903916 7440154776 7991277352 8060167674 8990187021 10746890232 11986916028 12090251511 12985825697 13859807832 16120335348 17980374042 23973832056 24180503022 25971651394 26970561063 28968380401 32240670696 35960748084 38957477091 48361006044 51943302788 53941122126 57936760802 71921496168 77914954182 86905141203 96722012088 103886605576 107882244252 115873521604 116872431273 155829908364 173810282406 215764488504 231747043208 233744862546 260715423609 311659816728 347620564812 350617293819 376588945213 467489725092 521430847218 695241129624 701234587638 753177890426 782146270827 934979450184 1042861694436 1129766835639 1402469175276 1506355780852 1564292541654 2085723388872 2259533671278 2804938350552 3012711561704 3128585083308 3389300506917 4519067342556 6257170166616 6778601013834 9038134685112 10167901520751 13557202027668 20335803041502 27114404055336 40671606083004 81343212166008
• Sum of all divisors σ(n): 252057523208400
• Sum of proper divisors (its aliquot sum) s(n): 170714311042392
• 81343212166008 is an abundant number, because the sum of its proper divisors (170714311042392) is greater than itself. Its abundance is 89371098876384

Bases of 81343212166008

• Binary: 10010011111101100110001010001000001101101111000₂
• Hexadecimal: 0x49FB31441B78
• Base-36: SU0K0AY60

Squares and roots of 81343212166008

• 81343212166008 squared (81343212166008²) is 6616718165484191902950656064
• 81343212166008 cubed (81343212166008³) is 538225109577659853826098371178070079872512
• The square root of 81343212166008 is 9019047.1872591951
• The cube root of 81343212166008 is 43328.5118138599

Scales and comparisons

• 81,343,212,166,008 seconds is equal to 2,586,462 years, 27 weeks, 6 days, 46 minutes, 48 seconds.
• To count from 1 to 81,343,212,166,008 would take you about six million, four hundred sixty-six thousand, one hundred fifty-six 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 81343212166008 cubic inches would be around 3610.7 feet tall.

Recreational maths with 81343212166008

• 81343212166008 backwards is 80066121234318
• The number of decimal digits it has is: 14
• The sum of 81343212166008's digits is 45
• More coming soon!