27985013886511440

Names of 27985013886511440

• Cardinal: 27985013886511440 can be written as Twenty-seven quadrillion, nine hundred eighty-five trillion, thirteen billion, eight hundred eighty-six million, five hundred eleven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.798501388651144 × 10¹⁶

Factors of 27985013886511440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1177820449790

Divisors of 27985013886511440

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 27 30 33 36 40 44 45 48 54 55 60 66 72 80 88 90 99 108 110 120 132 135 144 165 176 180 198 216 220 240 264 270 297 330 360 396 432 440 495 528 540 594 660 720 792 880 990 1080 1188 1320 1485 1584 1980 2160 2376 2640 2970 3960 4752 5940 7920 11880 23760 1177820449769 2355640899538 3533461349307 4711281799076 5889102248845 7066922698614 9422563598152 10600384047921 11778204497690 12956024947459 14133845397228 17667306746535 18845127196304 21200768095842 23556408995380 25912049894918 28267690794456 31801152143763 35334613493070 38868074842377 42401536191684 47112817990760 51824099789836 53001920239605 56535381588912 63602304287526 64780124737295 70669226986140 77736149684754 84803072383368 94225635981520 103648199579672 106003840479210 116604224527131 127204608575052 129560249474590 141338453972280 155472299369508 159005760718815 169606144766736 194340374211885 207296399159344 212007680958420 233208449054262 254409217150104 259120498949180 282676907944560 310944598739016 318011521437630 349812673581393 388680748423770 424015361916840 466416898108524 508818434300208 518240997898360 583021122635655 621889197478032 636023042875260 699625347162786 777361496847540 848030723833680 932833796217048 1036481995796720 1166042245271310 1272046085750520 1399250694325572 1554722993695080 1749063367906965 1865667592434096 2332084490542620 2544092171501040 2798501388651144 3109445987390160 3498126735813930 4664168981085240 5597002777302288 6996253471627860 9328337962170480 13992506943255720 27985013886511440
• Sum of all divisors σ(n): 105155809755465600
• Sum of proper divisors (its aliquot sum) s(n): 77170795868954160
• 27985013886511440 is an abundant number, because the sum of its proper divisors (77170795868954160) is greater than itself. Its abundance is 49185781982442720

Bases of 27985013886511440

• Binary: 1100011011011000011100011001011101111010110100101010000₂
• Hexadecimal: 0x636C38CBBD6950
• Base-36: 7NJUXWCDRO0

Squares and roots of 27985013886511440

• 27985013886511440 squared (27985013886511440²) is 783161002228238131999973250873600
• 27985013886511440 cubed (27985013886511440³) is 21916771522731460928313562487556323950236393984000
• The square root of 27985013886511440 is 167287219.7345375217
• The cube root of 27985013886511440 is 303604.7129160983

Scales and comparisons

• 27,985,013,886,511,440 seconds is equal to 889,836,878 years, 13 weeks, 3 days, 11 hours, 24 minutes.
• To count from 1 to 27,985,013,886,511,440 would take you about two billion, six hundred sixty-nine million, five hundred ten thousand, six hundred thirty-four 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 27985013886511440 cubic inches would be around 25300.4 feet tall.

Recreational maths with 27985013886511440

• 27985013886511440 backwards is 04411568831058972
• 27985013886511440 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 27985013886511440's digits is 72
• More coming soon!