21991447766016

Names of 21991447766016

• Cardinal: 21991447766016 can be written as Twenty-one trillion, nine hundred ninety-one billion, four hundred forty-seven million, seven hundred sixty-six thousand and sixteen.

Scientific notation

• Scientific notation: 2.1991447766016 × 10¹³

Factors of 21991447766016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 881

Divisors of 21991447766016

• Number of divisors d(n): 495
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 96 108 114 128 144 152 162 171 192 216 228 256 288 304 324 342 361 384 432 456 512 513 576 608 648 684 722 768 857 864 912 1024 1026 1083 1152 1216 1296 1368 1444 1536 1539 1714 1728 1824 2052 2166 2304 2432 2571 2592 2736 2888 3072 3078 3249 3428 3456 3648 4104 4332 4608 4864 5142 5184 5472 5776 6156 6498 6856 6912 7296 7713 8208 8664 9216 9728 9747 10284 10368 10944 11552 12312 12996 13712 13824 14592 15426 16283 16416 17328 19456 19494 20568 20736 21888 23104 23139 24624 25992 27424 27648 29184 29241 30852 32566 32832 34656 38988 41136 41472 43776 46208 46278 48849 49248 51984 54848 58368 58482 61704 65132 65664 69312 69417 77976 82272 82944 87552 92416 92556 97698 98496 103968 109696 116964 123408 130264 131328 138624 138834 146547 155952 164544 175104 184832 185112 195396 196992 207936 219392 233928 246816 260528 262656 277248 277668 293094 309377 311904 329088 369664 370224 390792 393984 415872 438784 439641 467856 493632 521056 525312 554496 555336 586188 618754 623808 658176 734449 740448 781584 787968 831744 877568 879282 928131 935712 987264 1042112 1108992 1110672 1172376 1237508 1247616 1316352 1318923 1468898 1480896 1563168 1575936 1663488 1758564 1856262 1871424 1974528 2084224 2203347 2221344 2344752 2475016 2495232 2632704 2637846 2784393 2937796 2961792 3126336 3326976 3517128 3712524 3742848 3949056 4168448 4406694 4442688 4689504 4950032 4990464 5275692 5568786 5875592 5923584 6252672 6610041 7034256 7425048 7485696 7898112 8336896 8353179 8813388 8885376 9379008 9900064 9980928 10551384 11137572 11751184 11847168 12505344 13220082 13954531 14068512 14850096 14971392 16673792 16706358 17626776 17770752 18758016 19800128 19830123 21102768 22275144 23502368 23694336 25010688 25059537 26440164 27909062 28137024 29700192 29942784 33412716 35253552 35541504 37516032 39600256 39660246 41863593 42205536 44550288 47004736 50021376 50119074 52880328 55818124 56274048 59400384 59490369 66825432 70507104 71083008 75032064 79200512 79320492 83727186 84411072 89100576 94009472 100238148 105760656 111636248 112548096 118800768 118980738 125590779 133650864 141014208 150064128 158401024 158640984 167454372 168822144 178201152 188018944 200476296 211521312 223272496 225096192 237601536 237961476 251181558 265136089 267301728 282028416 316802048 317281968 334908744 337644288 356402304 376037888 376772337 400952592 423042624 446544992 450192384 475203072 475922952 502363116 530272178 534603456 564056832 634563936 669817488 675288576 712804608 752075776 753544674 795408267 801905184 846085248 893089984 950406144 951845904 1004726232 1060544356 1069206912 1128113664 1130317011 1269127872 1339634976 1350577152 1425609216 1507089348 1590816534 1603810368 1692170496 1786179968 1903691808 2009452464 2121088712 2138413824 2256227328 2260634022 2386224801 2538255744 2679269952 2851218432 3014178696 3181633068 3207620736 3384340992 3572359936 3807383616 4018904928 4242177424 4276827648 4521268044 4772449602 5076511488 5358539904 6028357392 6363266136 6415241472 6768681984 7144719872 7158674403 7614767232 8037809856 8484354848 8553655296 9042536088 9544899204 10153022976 10717079808 12056714784 12726532272 12830482944 14289439744 14317348806 15229534464 16075619712 16968709696 18085072176 19089798408 20306045952 21434159616 21476023209 24113429568 25453064544 25660965888 28634697612 30459068928 32151239424 33937419392 36170144352 38179596816 42868319232 42952046418 48226859136 50906129088 57269395224 60918137856 64302478848 67874838784 72340288704 76359193632 85904092836 96453718272 101812258176 114538790448 128604957696 135749677568 144680577408 152718387264 171808185672 192907436544 203624516352 229077580896 271499355136 289361154816 305436774528 343616371344 385814873088 407249032704 458155161792 578722309632 610873549056 687232742688 814498065408 916310323584 1157444619264 1221747098112 1374465485376 1832620647168 2443494196224 2748930970752 3665241294336 5497861941504 7330482588672 10995723883008 21991447766016
• Sum of all divisors σ(n): 69390000250329
• Sum of proper divisors (its aliquot sum) s(n): 47398552484313
• 21991447766016 is an abundant number, because the sum of its proper divisors (47398552484313) is greater than itself. Its abundance is 25407104718297

Bases of 21991447766016

• Binary: 101000000000001001000011011101010010000000000₂
• Hexadecimal: 0x1400486EA400
• Base-36: 7SMQC7400

Squares and roots of 21991447766016

• 21991447766016 squared (21991447766016²) is 483623774845410117084512256
• 21991447766016 cubed (21991447766016³) is 10635586982916319295109522047284172292096
• 21991447766016 is a perfect square number. Its square root is 4689504
• The cube root of 21991447766016 is 28016.7619729391

Scales and comparisons

• 21,991,447,766,016 seconds is equal to 699,260 years, 5 days, 10 hours, 33 minutes, 36 seconds.
• To count from 1 to 21,991,447,766,016 would take you about one million, seven hundred forty-eight thousand, one hundred fifty 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 21991447766016 cubic inches would be around 2334.7 feet tall.

Recreational maths with 21991447766016

• 21991447766016 backwards is 61066774419912
• The number of decimal digits it has is: 14
• The sum of 21991447766016's digits is 63
• More coming soon!