27981388528128

Names of 27981388528128

• Cardinal: 27981388528128 can be written as Twenty-seven trillion, nine hundred eighty-one billion, three hundred eighty-eight million, five hundred twenty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.7981388528128 × 10¹³

Factors of 27981388528128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 13769513

Divisors of 27981388528128

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 128 144 147 162 168 189 192 196 216 224 252 256 288 294 324 336 378 384 392 432 441 448 504 512 567 576 588 648 672 756 768 784 864 882 896 1008 1134 1152 1176 1296 1323 1344 1512 1536 1568 1728 1764 1792 2016 2268 2304 2352 2592 2646 2688 3024 3136 3456 3528 3584 3969 4032 4536 4608 4704 5184 5292 5376 6048 6272 6912 7056 7938 8064 9072 9408 10368 10584 10752 12096 12544 13824 14112 15876 16128 18144 18816 20736 21168 24192 25088 28224 31752 32256 36288 37632 41472 42336 48384 56448 63504 72576 75264 84672 96768 112896 127008 145152 169344 225792 254016 290304 338688 508032 677376 1016064 2032128 13769501 27539002 41308503 55078004 82617006 96386507 110156008 123925509 165234012 192773014 220312016 247851018 289159521 330468024 371776527 385546028 440624032 495702036 578319042 660936048 674705549 743553054 771092056 867478563 881248064 991404072 1115329581 1156638084 1321872096 1349411098 1487106108 1542184112 1734957126 1762496128 1982808144 2024116647 2230659162 2313276168 2602435689 2643744192 2698822196 2974212216 3084368224 3469914252 3524992256 3965616288 4048233294 4461318324 4626552336 5204871378 5287488384 5397644392 5948424432 6072349941 6168736448 6939828504 7049984512 7807307067 7931232576 8096466588 8922636648 9253104672 10409742756 10574976768 10795288784 11896848864 12144699882 12337472896 13879657008 15614614134 15862465152 16192933176 17845273296 18217049823 18506209344 20819485512 21149953536 21590577568 23793697728 24289399764 24674945792 27759314016 31229228268 31724930304 32385866352 35690546592 36434099646 37012418688 41638971024 43181155136 47587395456 48578799528 49349891584 54651149469 55518628032 62458456536 63449860608 64771732704 71381093184 72868199292 74024837376 83277942048 86362310272 95174790912 97157599056 109302298938 111037256064 124916913072 129543465408 142762186368 145736398584 148049674752 166555884096 172724620544 190349581824 194315198112 218604597876 222074512128 249833826144 259086930816 285524372736 291472797168 333111768192 345449241088 388630396224 437209195752 444149024256 499667652288 518173861632 571048745472 582945594336 666223536384 777260792448 874418391504 999335304576 1036347723264 1165891188672 1332447072768 1554521584896 1748836783008 1998670609152 2331782377344 3109043169792 3497673566016 3997341218304 4663564754688 6995347132032 9327129509376 13990694264064 27981388528128
• Sum of all divisors σ(n): 97152525165762
• Sum of proper divisors (its aliquot sum) s(n): 69171136637634
• 27981388528128 is an abundant number, because the sum of its proper divisors (69171136637634) is greater than itself. Its abundance is 41189748109506

Bases of 27981388528128

• Binary: 110010111001011101100101110010011101000000000₂
• Hexadecimal: 0x1972ECB93A00
• Base-36: 9X2H09S00

Squares and roots of 27981388528128

• 27981388528128 squared (27981388528128²) is 782958103962053242247184384
• 27981388528128 cubed (27981388528128³) is 21908254908208646577247712877765986353152
• The square root of 27981388528128 is 5289743.7110060445
• The cube root of 27981388528128 is 30359.1602048635

Scales and comparisons

• 27,981,388,528,128 seconds is equal to 889,721 years, 31 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 27,981,388,528,128 would take you about two million, two hundred twenty-four thousand, three hundred 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 27981388528128 cubic inches would be around 2529.9 feet tall.

Recreational maths with 27981388528128

• 27981388528128 backwards is 82182588318972
• 27981388528128 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 27981388528128's digits is 72
• More coming soon!