81316677740037272

Names of 81316677740037272

• Cardinal: 81316677740037272 can be written as Eighty-one quadrillion, three hundred sixteen trillion, six hundred seventy-seven billion, seven hundred forty million, thirty-seven thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 8.1316677740037272 × 10¹⁶

Factors of 81316677740037272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 911

Divisors of 81316677740037272

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 8 13 19 26 38 52 76 104 152 169 247 338 361 494 676 722 877 988 1352 1444 1754 1976 2197 2888 3211 3508 4394 4693 6422 6859 7016 8788 9386 11401 12844 13718 16663 17576 18772 22802 25688 27436 33326 37544 41743 45604 54872 61009 66652 83486 89167 91208 122018 133304 148213 166972 178334 216619 244036 296426 316597 333944 356668 433238 488072 592852 633194 713336 769129 793117 866476 1159171 1185704 1266388 1538258 1586234 1732952 1926769 2318342 2532776 2816047 3076516 3172468 3853538 4115761 4636684 5632094 6015343 6153032 6344936 7707076 8231522 9273368 9998677 11264188 12030686 14613451 15069223 15414152 16463044 19997354 22528376 24061372 29226902 30138446 32926088 36608611 39994708 48122744 53504893 58453804 60276892 73217222 78199459 79989416 107009786 116907608 120553784 129982801 146434444 156398918 189974863 214019572 259965602 277655569 292868888 312797836 379949726 428039144 519931204 555311138 625595672 674526133 695563609 759899452 1016592967 1039862408 1110622276 1349052266 1391127218 1519798904 1689776413 2033185934 2221244552 2469673219 2698104532 2782254436 3379552826 3609522397 4066371868 4939346438 5275455811 5396209064 5564508872 6759105652 7219044794 8132743736 8768839729 9878692876 10550911622 12815996527 13215708571 13518211304 14438089588 17537679458 19757385752 21101823244 25631993054 26431417142 28876179176 32105751847 35075358916 42203646488 46923791161 51263986108 52862834284 64211503694 68580925543 70150717832 93847582322 102527972216 105725668568 113994916477 128423007388 137161851086 166607954851 187695164644 227989832954 243503934013 256846014776 274323702172 333215909702 375390329288 455979665908 487007868026 548647404344 610009285093 666431819404 891552032059 911959331816 974015736052 1220018570186 1332863638808 1481933914201 1783104064118 1948031472104 2165903413063 2440037140372 2963867828402 3165551142169 3566208128236 4331806826126 4626574746247 4880074280744 5927735656804 6331102284338 7132416256472 8663613652252 9253149492494 11590176416767 11855471313608 12662204568676 17327227304504 18506298984988 23180352833534 25324409137352 28156744369819 37012597969976 41152164848197 46360705667068 56313488739638 60145471701211 82304329696394 92721411334136 112626977479276 120290943402422 164608659392788 225253954958552 240581886804844 329217318785576 481163773609688 534978143026561 781891132115743 1069956286053122 1563782264231486 2139912572106244 3127564528462972 4279825144212488 6255129056925944 10164584717504659 20329169435009318 40658338870018636 81316677740037272
• Sum of all divisors σ(n): 174542442713520000
• Sum of proper divisors (its aliquot sum) s(n): 93225764973482728
• 81316677740037272 is an abundant number, because the sum of its proper divisors (93225764973482728) is greater than itself. Its abundance is 11909087233445456

Bases of 81316677740037272

• Binary: 100100000111001010001011001101011000000101000010010011000₂
• Hexadecimal: 0x120E5166B028498
• Base-36: M8OCU1K0LG8

Squares and roots of 81316677740037272

• 81316677740037272 squared (81316677740037272²) is 6612402078677073178025451949201984
• 81316677740037272 cubed (81316677740037272³) is 537698568919336142594169777542603947741686816347648
• The square root of 81316677740037272 is 285160792.7819623523
• 81316677740037272 is a perfect cube number. Its cube root is 433238

Scales and comparisons

• 81,316,677,740,037,272 seconds is equal to 2,585,618,823 years, 6 weeks, 6 days, 19 hours, 14 minutes, 32 seconds.
• To count from 1 to 81,316,677,740,037,272 would take you about seven billion, seven hundred fifty-six million, eight hundred fifty-six thousand, four hundred sixty-nine 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 81316677740037272 cubic inches would be around 36103.2 feet tall.

Recreational maths with 81316677740037272

• 81316677740037272 backwards is 27273004777661318
• The number of decimal digits it has is: 17
• The sum of 81316677740037272's digits is 71
• More coming soon!