90091099980

Names of 90091099980

• Cardinal: 90091099980 can be written as Ninety billion, ninety-one million, ninety-nine thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 9.009109998 × 10¹⁰

Factors of 90091099980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 13280

Divisors of 90091099980

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 43 45 60 63 70 84 86 90 105 126 127 129 140 172 180 210 215 252 254 258 301 315 381 387 420 430 508 516 602 630 635 645 762 774 860 889 903 1143 1204 1260 1270 1290 1505 1524 1548 1778 1806 1905 1935 2286 2540 2580 2667 2709 3010 3556 3612 3810 3870 4445 4515 4572 5334 5418 5461 5715 6020 7620 7740 8001 8890 9030 10668 10836 10922 11430 13093 13335 13545 16002 16383 17780 18060 21844 22860 26186 26670 27090 27305 32004 32766 38227 39279 40005 49149 52372 53340 54180 54610 65465 65532 76454 78558 80010 81915 91651 98298 109220 114681 117837 130930 152908 157116 160020 163830 183302 191135 196395 196596 229362 235674 245745 261860 274953 327660 344043 366604 382270 392790 458255 458724 471348 491490 549906 562999 573405 589185 688086 764540 785580 824859 916510 982980 1099812 1125998 1146810 1178370 1374765 1376172 1649718 1662811 1688997 1720215 1833020 2251996 2293620 2356740 2749530 2814995 3299436 3325622 3377994 3440430 3940993 4124295 4988433 5066991 5499060 5629990 6651244 6755988 6880860 7881986 8248590 8314055 8444985 9976866 10133982 11259980 11639677 11822979 14965299 15763972 16497180 16628110 16889970 19704965 19953732 20267964 23279354 23645958 24942165 25334955 29930598 33256220 33779940 34919031 35468937 39409930 46558708 47291916 49884330 50669910 58198385 59114895 59861196 69838062 70937874 71500873 74826495 78819860 99768660 101339820 104757093 116396770 118229790 139676124 141875748 143001746 149652990 174595155 177344685 209514186 214502619 232793540 236459580 286003492 299305980 349190310 354689370 357504365 419028372 429005238 500506111 523785465 643507857 698380620 709378740 715008730 858010476 1001012222 1047570930 1072513095 1287015714 1430017460 1501518333 2002024444 2095141860 2145026190 2502530555 2574031428 3003036666 3217539285 4290052380 4504554999 5005061110 6006073332 6435078570 7507591665 9009109998 10010122220 12870157140 15015183330 18018219996 22522774995 30030366660 45045549990 90091099980
• Sum of all divisors σ(n): 322119942144
• Sum of proper divisors (its aliquot sum) s(n): 232028842164
• 90091099980 is an abundant number, because the sum of its proper divisors (232028842164) is greater than itself. Its abundance is 141937742184

Bases of 90091099980

• Binary: 1010011111001110110010001011101001100₂
• Hexadecimal: 0x14F9D9174C
• Base-36: 15DXWXN0

Squares and roots of 90091099980

• 90091099980 squared (90091099980²) is 8116406295606356000400
• 90091099980 cubed (90091099980³) is 731215971055773653155509319992000
• The square root of 90091099980 is 300151.7948971819
• The cube root of 90091099980 is 4482.9162954893

Scales and comparisons

• 90,091,099,980 seconds is equal to 2,864 years, 32 weeks, 1 day, 1 hour, 33 minutes.
• To count from 1 to 90,091,099,980 would take you about five thousand, seven hundred twenty-nine 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 90091099980 cubic inches would be around 373.6 feet tall.

Recreational maths with 90091099980

• 90091099980 backwards is 08999019009
• The number of decimal digits it has is: 11
• The sum of 90091099980's digits is 54
• More coming soon!