81048240240

Names of 81048240240

• Cardinal: 81048240240 can be written as Eighty-one billion, forty-eight million, two hundred forty thousand, two hundred forty.

Scientific notation

• Scientific notation: 8.104824024 × 10¹⁰

Factors of 81048240240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4762

Divisors of 81048240240

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 53 55 60 66 80 88 106 110 120 127 132 159 165 176 212 220 240 254 264 265 318 330 381 424 440 508 528 530 583 635 636 660 762 795 848 880 1016 1060 1166 1270 1272 1320 1397 1524 1590 1749 1905 2032 2120 2332 2540 2544 2640 2794 2915 3048 3180 3498 3810 4191 4240 4561 4664 5080 5588 5830 6096 6360 6731 6985 6996 7620 8382 8745 9122 9328 10160 11176 11660 12720 13462 13683 13970 13992 15240 16764 17490 18244 20193 20955 22352 22805 23320 26924 27366 27940 27984 30480 33528 33655 34980 36488 40386 41910 45610 46640 50171 53848 54732 55880 67056 67310 68415 69960 72976 74041 80772 83820 91220 100342 100965 107696 109464 111760 134620 136830 139920 148082 150513 161544 167640 182440 200684 201930 218928 222123 241733 250855 269240 273660 296164 301026 323088 335280 364880 370205 401368 403860 444246 483466 501710 538480 547320 579247 592328 602052 725199 740410 752565 802736 807720 888492 966932 1003420 1094640 1110615 1158494 1184656 1204104 1208665 1450398 1480820 1505130 1615440 1737741 1776984 1933864 2006840 2221230 2316988 2408208 2417330 2659063 2896235 2900796 2961640 3010260 3475482 3553968 3625995 3867728 4013680 4442460 4633976 4834660 5318126 5792470 5801592 5923280 6020520 6371717 6950964 7251990 7977189 8688705 8884920 9267952 9669320 10636252 11584940 11603184 12041040 12743434 13295315 13901928 14503980 15954378 17377410 17769840 19115151 19338640 21272504 23169880 25486868 26590630 27803856 29007960 30700091 31858585 31908756 34754820 38230302 39885945 42545008 46339760 50973736 53181260 58015920 61400182 63717170 63817512 69509640 76460604 79771890 92100273 95575755 101947472 106362520 122800364 127434340 127635024 139019280 152921208 153500455 159543780 184200546 191151510 212725040 245600728 254868680 305842416 307000910 319087560 337701001 368401092 382303020 460501365 491201456 509737360 614001820 638175120 675402002 736802184 764606040 921002730 1013103003 1228003640 1350804004 1473604368 1529212080 1688505005 1842005460 2026206006 2456007280 2701608008 3377010010 3684010920 4052412012 5065515015 5403216016 6754020020 7368021840 8104824024 10131030030 13508040040 16209648048 20262060060 27016080080 40524120120 81048240240
• Sum of all divisors σ(n): 281522552832
• Sum of proper divisors (its aliquot sum) s(n): 200474312592
• 81048240240 is an abundant number, because the sum of its proper divisors (200474312592) is greater than itself. Its abundance is 119426072352

Bases of 81048240240

• Binary: 1001011011110110110100000000001110000₂
• Hexadecimal: 0x12DEDA0070
• Base-36: 118E12EO

Squares and roots of 81048240240

• 81048240240 squared (81048240240²) is 6568817246000755257600
• 81048240240 cubed (81048240240³) is 532391078246524391339407885824000
• The square root of 81048240240 is 284689.7262635237
• The cube root of 81048240240 is 4327.6074844791

Scales and comparisons

• 81,048,240,240 seconds is equal to 2,577 years, 4 weeks, 2 days, 8 hours, 4 minutes.
• To count from 1 to 81,048,240,240 would take you about five thousand, one hundred fifty-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 81048240240 cubic inches would be around 360.6 feet tall.

Recreational maths with 81048240240

• 81048240240 backwards is 04204284018
• 81048240240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81048240240's digits is 33
• More coming soon!