1081387657728

Names of 1081387657728

• Cardinal: 1081387657728 can be written as One trillion, eighty-one billion, three hundred eighty-seven million, six hundred fifty-seven thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.081387657728 × 10¹²

Factors of 1081387657728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 13975

Divisors of 1081387657728

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 49 56 63 64 72 84 96 98 112 126 128 144 147 168 192 196 224 252 256 288 294 336 343 384 392 441 448 504 512 576 588 672 686 768 784 882 896 1008 1029 1152 1176 1344 1372 1536 1568 1764 1792 2016 2058 2304 2352 2401 2688 2744 3087 3136 3528 3584 4032 4116 4608 4704 4802 5376 5488 6174 6272 7056 7203 8064 8232 9408 9604 10752 10976 12348 12544 13963 14112 14406 16128 16464 16807 18816 19208 21609 21952 24696 25088 27926 28224 28812 32256 32928 33614 37632 38416 41889 43218 43904 49392 50421 55852 56448 57624 65856 67228 75264 76832 83778 86436 87808 97741 98784 100842 111704 112896 115248 125667 131712 134456 151263 153664 167556 172872 175616 195482 197568 201684 223408 225792 230496 251334 263424 268912 293223 302526 307328 335112 345744 390964 395136 403368 446816 460992 502668 526848 537824 586446 605052 614656 670224 684187 691488 781928 790272 806736 879669 893632 921984 1005336 1075648 1172892 1210104 1229312 1340448 1368374 1382976 1563856 1580544 1613472 1759338 1787264 1843968 2010672 2052561 2151296 2345784 2420208 2680896 2736748 2765952 3127712 3226944 3518676 3574528 3687936 4021344 4105122 4302592 4691568 4789309 4840416 5361792 5473496 5531904 6157683 6255424 6453888 7037352 7149056 8042688 8210244 8605184 9383136 9578618 9680832 10723584 10946992 11063808 12315366 12510848 12907776 14074704 14367927 16085376 16420488 18766272 19157236 19361664 21447168 21893984 24630732 25021696 25815552 28149408 28735854 32170752 32840976 33525163 37532544 38314472 38723328 43103781 43787968 49261464 50043392 56298816 57471708 64341504 65681952 67050326 75065088 76628944 77446656 86207562 87575936 98522928 100575489 112597632 114943416 131363904 134100652 150130176 153257888 172415124 175151872 197045856 201150978 225195264 229886832 234676141 262727808 268201304 301726467 306515776 344830248 350303744 394091712 402301956 450390528 459773664 469352282 525455616 536402608 603452934 613031552 689660496 704028423 788183424 804603912 919547328 938704564 1050911232 1072805216 1206905868 1226063104 1379320992 1408056846 1576366848 1609207824 1839094656 1877409128 2112085269 2145610432 2413811736 2452126208 2758641984 2816113692 3152733696 3218415648 3678189312 3754818256 4224170538 4291220864 4827623472 5517283968 5632227384 6436831296 7356378624 7509636512 8448341076 8582441728 9655246944 11034567936 11264454768 12873662592 15019273024 16896682152 17164883456 19310493888 22069135872 22528909536 25747325184 30038546048 33793364304 38620987776 45057819072 51494650368 60077092096 67586728608 77241975552 90115638144 120154184192 135173457216 154483951104 180231276288 270346914432 360462552576 540693828864 1081387657728
• Sum of all divisors σ(n): 3641347483488
• Sum of proper divisors (its aliquot sum) s(n): 2559959825760
• 1081387657728 is an abundant number, because the sum of its proper divisors (2559959825760) is greater than itself. Its abundance is 1478572168032

Bases of 1081387657728

• Binary: 1111101111000111101110100010101000000000₂
• Hexadecimal: 0xFBC7BA2A00
• Base-36: DSS6AGW0

Squares and roots of 1081387657728

• 1081387657728 squared (1081387657728²) is 1169399266286450078121984
• 1081387657728 cubed (1081387657728³) is 1264573933518346006684334894824292352
• The square root of 1081387657728 is 1039897.9073582175
• The cube root of 1081387657728 is 10264.2479870797

Scales and comparisons

• 1,081,387,657,728 seconds is equal to 34,384 years, 40 weeks, 4 days, 20 hours, 28 minutes, 48 seconds.
• To count from 1 to 1,081,387,657,728 would take you about eighty-five thousand, nine hundred sixty-one 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 1081387657728 cubic inches would be around 855.4 feet tall.

Recreational maths with 1081387657728

• 1081387657728 backwards is 8277567831801
• 1081387657728 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1081387657728's digits is 63
• More coming soon!