21212661991248

Names of 21212661991248

• Cardinal: 21212661991248 can be written as Twenty-one trillion, two hundred twelve billion, six hundred sixty-one million, nine hundred ninety-one thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.1212661991248 × 10¹³

Factors of 21212661991248

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 103740

Divisors of 21212661991248

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 17 18 21 24 26 27 28 34 36 39 42 48 51 52 54 56 63 68 72 78 84 91 102 104 108 112 117 119 126 136 144 153 156 168 182 189 204 208 216 221 234 238 252 272 273 306 307 312 336 351 357 364 378 408 432 442 459 468 476 504 546 612 614 624 663 702 714 728 756 816 819 884 918 921 936 952 1008 1071 1092 1224 1228 1326 1404 1428 1456 1512 1547 1638 1768 1836 1842 1872 1904 1989 2142 2149 2184 2448 2456 2457 2652 2763 2808 2856 3024 3094 3213 3276 3536 3672 3684 3978 3991 4284 4298 4368 4641 4912 4914 5219 5304 5526 5616 5712 5967 6188 6426 6447 6552 7344 7368 7956 7982 8289 8568 8596 9282 9828 10438 10608 11052 11934 11973 12376 12852 12894 13104 13923 14736 15657 15912 15964 16578 17136 17192 18564 19341 19656 20876 22104 23868 23946 24752 25704 25788 27846 27937 31314 31824 31928 33156 34384 35919 36533 37128 38682 39312 41752 41769 44208 46971 47736 47892 51408 51576 55692 55874 58023 62628 63856 66312 67847 71838 73066 74256 77364 83504 83538 83811 93942 95472 95784 103152 103391 107757 109599 111384 111748 116046 125256 132624 135694 140913 143676 146132 154728 167076 167622 187884 191568 203541 206782 215514 219198 222768 223496 232092 250512 251433 271388 281826 287352 292264 309456 310173 328797 334152 335244 375768 407082 413564 431028 438396 446992 464184 474929 502866 542776 563652 574704 584528 610623 620346 657594 668304 670488 723737 751536 754299 814164 827128 862056 876792 928368 930519 949858 986391 1005732 1085552 1127304 1221246 1240692 1315188 1340976 1344083 1424787 1447474 1508598 1628328 1654256 1724112 1753584 1757647 1831869 1861038 1899716 1972782 2011464 2171211 2254608 2442492 2481384 2630376 2688166 2791557 2849574 2894948 3017196 3256656 3515294 3663738 3722076 3799432 3945564 4022928 4032249 4274361 4342422 4884984 4962768 5260752 5272941 5376332 5583114 5699148 5789896 6034392 6513633 7030588 7327476 7444152 7598864 7891128 8064498 8548722 8684844 9408581 9769968 10545882 10752664 11166228 11398296 11579792 12068784 12096747 12303529 12823083 13027266 14061176 14654952 14888304 15782256 15818823 16128996 17097444 17369688 18817162 19540899 21091764 21505328 22332456 22796592 22849411 24193494 24607058 25646166 26054532 28122352 28225743 29309904 31637646 31741037 32257992 34194888 34739376 36290241 36910587 37634324 39081798 42183528 44664912 45698822 47456469 48386988 49214116 51292332 52109064 56451486 63275292 63482074 64515984 68389776 68548233 72580482 73821174 75268648 78163596 84367056 84677229 91397644 94912938 95223111 96773976 98428232 102584664 104218128 110731761 112902972 126550584 126964148 137096466 145160964 147642348 150537296 156327192 159945877 169354458 182795288 189825876 190446222 193547952 196856464 205169328 205644699 221463522 222187259 225805944 253101168 253928296 254031687 274192932 285669333 290321928 295284696 312654384 319891754 332195283 338708916 365590576 379651752 380892444 411289398 412633481 442927044 444374518 451611888 479837631 507856592 508063374 539597629 548385864 571338666 580643856 590569392 616934097 639783508 664390566 666561777 677417832 759303504 761784888 822578796 825266962 857007999 885854088 888749036 959675262 1016126748 1079195258 1096771728 1142677332 1233868194 1237900443 1279567016 1328781132 1333123554 1354835664 1439512893 1523569776 1618792887 1645157592 1650533924 1714015998 1771708176 1777498072 1919350524 1999685331 2032253496 2158390516 2285354664 2467736388 2475800886 2559134032 2657562264 2666247108 2879025786 2888434367 3237585774 3290315184 3301067848 3428031996 3554996144 3713701329 3777183403 3838701048 3999370662 4064506992 4316781032 4318538679 4570709328 4856378661 4935472776 4951601772 5315124528 5332494216 5758051572 5776868734 5999055993 6475171548 6602135696 6856063992 7014769177 7427402658 7554366806 7677402096 7998741324 8633562064 8637077358 8665303101 9712757322 9870945552 9903203544 10664988432 11141103987 11331550209 11516103144 11553737468 11998111986 12950343096 13712127984 14029538354 14569135983 14854805316 15108733612 15997482648 17274154716 17330606202 19425514644 19806407088 21044307531 22282207974 22663100418 23032206288 23107474936 23996223972 25900686192 25995909303 28059076708 29138271966 29709610632 30217467224 31994965296 33994650627 34548309432 34661212404 38851029288 42088615062 44564415948 45326200836 46214949872 47992447944 49103384239 51991818606 56118153416 58276543932 59419221264 60434934448 63132922593 67989301254 69096618864 69322424808 77702058576 77987727909 84177230124 89128831896 90652401672 95984895888 98206768478 101983951881 103983637212 112236306832 116553087864 126265845186 135978602508 138644849616 147310152717 155975455818 168354460248 178257663792 181304803344 189398767779 196413536956 203967903762 207967274424 233106175728 252531690372 271957205016 294620305434 311950911636 336708920496 378797535558 392827073912 407935807524 415934548848 441930458151 505063380744 543914410032 589240610868 623901823272 757595071116 785654147824 815871615048 883860916302 1010126761488 1178481221736 1247803646544 1325791374453 1515190142232 1631743230096 1767721832604 2356962443472 2651582748906 3030380284464 3535443665208 5303165497812 7070887330416 10606330995624 21212661991248
• Sum of all divisors σ(n): 79606744842240
• Sum of proper divisors (its aliquot sum) s(n): 58394082850992
• 21212661991248 is an abundant number, because the sum of its proper divisors (58394082850992) is greater than itself. Its abundance is 37181420859744

Bases of 21212661991248

• Binary: 100110100101011110101001011101100011101010000₂
• Hexadecimal: 0x134AF52EC750
• Base-36: 7IOYN96C0

Squares and roots of 21212661991248

• 21212661991248 squared (21212661991248²) is 449977028754937564428597504
• 21212661991248 cubed (21212661991248³) is 9545210614804572429663848422516562644992
• The square root of 21212661991248 is 4605720.5724238199
• The cube root of 21212661991248 is 27682.0590428503

Scales and comparisons

• 21,212,661,991,248 seconds is equal to 674,497 years, 1 week, 6 days, 4 hours, 40 minutes, 48 seconds.
• To count from 1 to 21,212,661,991,248 would take you about one million, six hundred eighty-six thousand, two hundred forty-two 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 21212661991248 cubic inches would be around 2306.8 feet tall.

Recreational maths with 21212661991248

• 21212661991248 backwards is 84219916621212
• 21212661991248 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21212661991248's digits is 54
• More coming soon!