81088968960

Names of 81088968960

• Cardinal: 81088968960 can be written as Eighty-one billion, eighty-eight million, nine hundred sixty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 8.108896896 × 10¹⁰

Factors of 81088968960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 777

Divisors of 81088968960

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 61 64 72 80 90 96 120 122 128 144 160 180 183 192 240 244 256 257 288 305 320 360 366 384 449 480 488 514 549 576 610 640 720 732 768 771 898 915 960 976 1028 1098 1152 1220 1280 1285 1347 1440 1464 1542 1796 1830 1920 1952 2056 2196 2245 2304 2313 2440 2570 2694 2745 2880 2928 3084 3592 3660 3840 3855 3904 4041 4112 4392 4490 4626 4880 5140 5388 5490 5760 5856 6168 6735 7184 7320 7710 7808 8082 8224 8784 8980 9252 9760 10280 10776 10980 11520 11565 11712 12336 13470 14368 14640 15420 15616 15677 16164 16448 17568 17960 18504 19520 20205 20560 21552 21960 23130 23424 24672 26940 27389 28736 29280 30840 31354 32328 32896 35136 35920 37008 39040 40410 41120 43104 43920 46260 46848 47031 49344 53880 54778 57472 58560 61680 62708 64656 65792 70272 71840 74016 78080 78385 80820 82167 82240 86208 87840 92520 94062 98688 107760 109556 114944 115393 117120 123360 125416 129312 136945 140544 141093 143680 148032 156770 161640 164334 164480 172416 175680 185040 188124 197376 215520 219112 230786 234240 235155 246501 246720 250832 258624 273890 282186 287360 296064 313540 323280 328668 328960 344832 346179 351360 370080 376248 410835 431040 438224 461572 470310 493002 493440 501664 517248 547780 564372 574720 576965 592128 627080 646560 657336 692358 702720 705465 740160 752496 821670 862080 876448 923144 940620 986004 986880 1003328 1034496 1038537 1095560 1128744 1153930 1232505 1254160 1293120 1314672 1384716 1410930 1480320 1504992 1643340 1724160 1730895 1752896 1846288 1881240 1972008 2006656 2077074 2191120 2257488 2307860 2465010 2508320 2586240 2629344 2769432 2821860 2960640 3009984 3286680 3461790 3505792 3692576 3762480 3944016 4013312 4154148 4382240 4514976 4615720 4930020 5016640 5172480 5192685 5258688 5538864 5643720 6019968 6573360 6923580 7011584 7038973 7385152 7524960 7888032 8308296 8764480 9029952 9231440 9860040 10033280 10385370 10517376 11077728 11287440 12039936 13146720 13847160 14077946 14770304 15049920 15776064 16616592 17528960 18059904 18462880 19720080 20066560 20770740 21034752 21116919 22155456 22574880 26293440 27694320 28155892 29540608 30099840 31552128 33233184 35057920 35194865 36119808 36925760 39440160 41541480 42233838 44310912 45149760 52586880 55388640 56311784 60199680 63104256 63350757 66466368 70389730 73851520 78880320 83082960 84467676 88621824 90299520 105173760 105584595 110777280 112623568 126701514 132932736 140779460 147703040 157760640 166165920 168935352 180599040 211169190 221554560 225247136 253403028 265865472 281558920 315521280 316753785 332331840 337870704 422338380 443109120 450494272 506806056 563117840 633507570 664663680 675741408 844676760 900988544 1013612112 1126235680 1267015140 1329327360 1351482816 1689353520 1801977088 2027224224 2252471360 2534030280 2702965632 3378707040 4054448448 4504942720 5068060560 5405931264 6757414080 8108896896 9009885440 10136121120 13514828160 16217793792 20272242240 27029656320 40544484480 81088968960
• Sum of all divisors σ(n): 286905855600
• Sum of proper divisors (its aliquot sum) s(n): 205816886640
• 81088968960 is an abundant number, because the sum of its proper divisors (205816886640) is greater than itself. Its abundance is 124727917680

Bases of 81088968960

• Binary: 1001011100001010001110111100100000000₂
• Hexadecimal: 0x12E1477900
• Base-36: 1192A0W0

Squares and roots of 81088968960

• 81088968960 squared (81088968960²) is 6575420886995843481600
• 81088968960 cubed (81088968960³) is 533194100204541619728480731136000
• The square root of 81088968960 is 284761.2490490937
• The cube root of 81088968960 is 4328.3322725663

Scales and comparisons

• 81,088,968,960 seconds is equal to 2,578 years, 19 weeks, 4 days, 17 hours, 36 minutes.
• To count from 1 to 81,088,968,960 would take you about five 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 81088968960 cubic inches would be around 360.7 feet tall.

Recreational maths with 81088968960

• 81088968960 backwards is 06986988018
• The number of decimal digits it has is: 11
• The sum of 81088968960's digits is 63
• More coming soon!