21100875217520

Names of 21100875217520

• Cardinal: 21100875217520 can be written as Twenty-one trillion, one hundred billion, eight hundred seventy-five million, two hundred seventeen thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.110087521752 × 10¹³

Factors of 21100875217520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 280

Divisors of 21100875217520

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 127 139 140 196 245 254 278 280 343 392 490 508 556 560 635 686 695 784 889 973 980 1016 1112 1270 1372 1390 1715 1778 1946 1960 2032 2224 2401 2540 2744 2780 3430 3556 3892 3920 4445 4802 4865 5080 5488 5560 6223 6811 6860 7112 7784 8890 9604 9730 10160 11120 12005 12446 13622 13720 14224 15568 16129 16807 17653 17780 19208 19460 24010 24892 27244 27440 31115 32258 33614 34055 35306 35560 38416 38920 43561 47677 48020 49784 54488 62230 64516 67228 68110 70612 71120 77840 80645 84035 87122 88265 95354 96040 99568 108976 112903 117649 123571 124460 129032 134456 136220 141224 161290 168070 174244 176530 190708 192080 217805 225806 235298 238385 247142 248920 258064 268912 272440 282448 304927 322580 333739 336140 348488 353060 381416 435610 451612 470596 476770 494284 497840 544880 564515 588245 609854 617855 645160 667478 672280 696976 706120 762832 790321 864997 871220 903224 941192 953540 988568 1129030 1176490 1219708 1235710 1290320 1334956 1344560 1412240 1524635 1580642 1668695 1729994 1742440 1806448 1882384 1907080 1977136 2134489 2241931 2258060 2336173 2352980 2439416 2471420 2669912 3049270 3161284 3337390 3459988 3484880 3814160 3951605 4268978 4324985 4483862 4516120 4672346 4705960 4878832 4942840 5339824 5532247 6054979 6098540 6322568 6674780 6919976 7903210 8537956 8649970 8967724 9032240 9344692 9411920 9885680 10672445 11064494 11209655 11680865 12109958 12197080 12645136 13349560 13839952 14941423 15693517 15806420 16353211 17075912 17299940 17935448 18689384 21344890 22128988 22419310 23361730 24219916 24394160 26699120 27661235 29882846 30274895 31387034 31612840 32706422 34151824 34599880 35870896 37378768 38725729 42384853 42689780 44257976 44838620 46723460 48439832 55322470 59765692 60549790 62774068 63225680 65412844 69199760 74707115 77451458 78467585 81766055 84769706 85379560 88515952 89677240 93446920 96879664 109854619 110644940 119531384 121099580 125548136 130825688 149414230 154902916 156935170 163532110 169539412 170759120 179354480 186893840 193628645 211924265 219709238 221289880 239062768 242199160 251096272 261651376 271080103 296693971 298828460 309805832 313870340 327064220 339078824 387257290 423848530 439418476 442579760 484398320 542160206 549273095 593387942 597656920 619611664 627740680 654128440 678157648 768982333 774514580 847697060 878836952 1084320412 1098546190 1186775884 1195313840 1255481360 1308256880 1355400515 1483469855 1537964666 1549029160 1695394120 1757673904 1897560721 2076857797 2168640824 2197092380 2373551768 2710801030 2966939710 3075929332 3098058320 3390788240 3795121442 3844911665 4153715594 4337281648 4394184760 4747103536 5382876331 5421602060 5933879420 6151858664 7590242884 7689823330 8307431188 8788369520 9487803605 10384288985 10765752662 10843204120 11867758840 12303717328 15180485768 15379646660 16614862376 18975607210 20768577970 21531505324 21686408240 23735517680 26914381655 30360971536 30759293320 33229724752 37680134317 37951214420 41537155940 43063010648 53828763310 61518586640 75360268634 75902428840 83074311880 86126021296 107657526620 150720537268 151804857680 166148623760 188400671585 215315053240 263760940219 301441074536 376801343170 430630106480 527521880438 602882149072 753602686340 1055043760876 1318804701095 1507205372680 2110087521752 2637609402190 3014410745360 4220175043504 5275218804380 10550437608760 21100875217520
• Sum of all divisors σ(n): 58105318755960
• Sum of proper divisors (its aliquot sum) s(n): 37004443538440
• 21100875217520 is an abundant number, because the sum of its proper divisors (37004443538440) is greater than itself. Its abundance is 15903568320920

Bases of 21100875217520

• Binary: 100110011000011101110001010111111101001110000₂
• Hexadecimal: 0x1330EE2BFA70
• Base-36: 7H9LWANOW

Squares and roots of 21100875217520

• 21100875217520 squared (21100875217520²) is 445246934945349707314950400
• 21100875217520 cubed (21100875217520³) is 9395100015265069294651822356748011008000
• The square root of 21100875217520 is 4593568.8976568099
• The cube root of 21100875217520 is 27633.3469444831

Scales and comparisons

• 21,100,875,217,520 seconds is equal to 670,942 years, 29 weeks, 1 day, 19 hours, 5 minutes, 20 seconds.
• To count from 1 to 21,100,875,217,520 would take you about one million, six hundred seventy-seven thousand, three 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 21100875217520 cubic inches would be around 2302.8 feet tall.

Recreational maths with 21100875217520

• 21100875217520 backwards is 02571257800112
• The number of decimal digits it has is: 14
• The sum of 21100875217520's digits is 41
• More coming soon!