20521290240

Names of 20521290240

• Cardinal: 20521290240 can be written as Twenty billion, five hundred twenty-one million, two hundred ninety thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.052129024 × 10¹⁰

Factors of 20521290240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 471

Divisors of 20521290240

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 17 18 20 22 24 30 32 33 34 36 40 44 45 48 51 55 60 64 66 68 72 80 85 88 90 96 99 102 110 120 121 128 132 136 144 153 160 165 170 176 180 187 192 198 204 220 240 242 255 256 264 272 288 306 320 330 340 352 360 363 374 384 396 408 433 440 480 484 495 510 512 528 544 561 576 605 612 640 660 680 704 720 726 748 765 768 792 816 866 880 935 960 968 990 1020 1056 1088 1089 1122 1152 1210 1224 1280 1299 1320 1360 1408 1440 1452 1496 1530 1536 1584 1632 1683 1732 1760 1815 1870 1920 1936 1980 2040 2057 2112 2165 2176 2178 2244 2304 2420 2448 2560 2598 2640 2720 2805 2816 2880 2904 2992 3060 3168 3264 3366 3464 3520 3630 3740 3840 3872 3897 3960 4080 4114 4224 4330 4352 4356 4488 4608 4763 4840 4896 5196 5280 5440 5445 5610 5632 5760 5808 5984 6120 6171 6336 6495 6528 6732 6928 7040 7260 7361 7480 7680 7744 7794 7920 8160 8228 8415 8448 8660 8704 8712 8976 9526 9680 9792 10285 10392 10560 10880 10890 11220 11520 11616 11968 12240 12342 12672 12990 13056 13464 13856 14080 14289 14520 14722 14960 15488 15588 15840 16320 16456 16830 16896 17320 17424 17952 18513 19052 19360 19485 19584 20570 20784 21120 21760 21780 22083 22440 23040 23232 23815 23936 24480 24684 25344 25980 26112 26928 27712 28160 28578 29040 29444 29920 30855 30976 31176 31680 32640 32912 33660 34640 34848 35904 36805 37026 38104 38720 38970 39168 41140 41568 42240 42867 43520 43560 44166 44880 46464 47630 47872 48960 49368 50688 51960 52393 53856 55424 57156 58080 58888 59840 61710 61952 62352 63360 65280 65824 66249 67320 69280 69696 71445 71808 73610 74052 76208 77440 77940 78336 80971 82280 83136 84480 85734 87120 88332 89760 92565 92928 95260 95744 97920 98736 103920 104786 107712 110415 110848 114312 116160 117776 119680 123420 124704 126720 130560 131648 132498 134640 138560 139392 142890 143616 147220 148104 152416 154880 155880 157179 161942 164560 166272 171468 174240 176664 179520 185130 185856 190520 195840 197472 207840 209572 214335 215424 220830 221696 228624 232320 235552 239360 242913 246840 249408 253440 261965 263296 264996 269280 277120 278784 285780 287232 294440 296208 304832 309760 311760 314358 323884 329120 331245 332544 342936 348480 353328 359040 370260 381040 391680 394944 404855 415680 419144 428670 430848 441660 457248 464640 471104 471537 478720 485826 493680 498816 523930 526592 529992 538560 554240 557568 571560 588880 592416 609664 623520 628716 647768 658240 662490 665088 685872 696960 706656 718080 728739 740520 762080 785895 789888 809710 831360 838288 857340 861696 883320 890681 914496 929280 942208 943074 971652 987360 997632 1047860 1053184 1059984 1077120 1108480 1143120 1177760 1184832 1214565 1219328 1247040 1257432 1295536 1316480 1324980 1371744 1393920 1413312 1436160 1457478 1481040 1524160 1571790 1579776 1619420 1662720 1676576 1714680 1766640 1781362 1828992 1884416 1886148 1943304 1974720 1995264 2095720 2119968 2154240 2286240 2355520 2357685 2369664 2429130 2438656 2494080 2514864 2591072 2632960 2649960 2672043 2743488 2787840 2826624 2914956 2962080 3048320 3143580 3159552 3238840 3325440 3353152 3429360 3533280 3562724 3643695 3657984 3768832 3772296 3886608 3949440 4191440 4239936 4308480 4453405 4572480 4711040 4715370 4739328 4858260 4988160 5029728 5182144 5265920 5299920 5344086 5486976 5653248 5829912 5924160 6096640 6287160 6477680 6706304 6858720 7066560 7125448 7287390 7315968 7544592 7773216 7898880 8016129 8382880 8479872 8906810 9144960 9422080 9430740 9478656 9716520 9976320 10059456 10364288 10599840 10688172 10973952 11306496 11659824 11848320 12193280 12574320 12955360 13360215 13412608 13717440 14133120 14250896 14574780 15089184 15546432 15797760 16032258 16765760 16959744 17813620 18289920 18844160 18861480 19433040 20118912 20728576 21199680 21376344 21947904 23319648 23696640 25148640 25910720 26720430 26825216 27434880 28266240 28501792 29149560 30178368 31092864 32064516 33531520 33919488 35627240 36579840 37722960 38866080 40080645 40237824 41457152 42399360 42752688 46639296 47393280 50297280 51821440 53440860 54869760 56532480 57003584 58299120 60356736 62185728 64129032 67063040 71254480 75445920 77732160 80161290 80475648 84798720 85505376 93278592 100594560 103642880 106881720 109739520 114007168 116598240 120713472 124371456 128258064 134126080 142508960 150891840 155464320 160322580 169597440 171010752 186557184 201189120 207285760 213763440 228014336 233196480 241426944 256516128 285017920 301783680 310928640 320645160 342021504 373114368 402378240 427526880 456028672 466392960 513032256 570035840 603567360 621857280 641290320 684043008 855053760 932785920 1026064512 1140071680 1207134720 1282580640 1368086016 1710107520 1865571840 2052129024 2280143360 2565161280 3420215040 4104258048 5130322560 6840430080 10260645120 20521290240
• Sum of all divisors σ(n): 82905646824
• Sum of proper divisors (its aliquot sum) s(n): 62384356584
• 20521290240 is an abundant number, because the sum of its proper divisors (62384356584) is greater than itself. Its abundance is 41863066344

Bases of 20521290240

• Binary: 10011000111001010100000101000000000₂
• Hexadecimal: 0x4C72A0A00
• Base-36: 9FDUGW0

Squares and roots of 20521290240

• 20521290240 squared (20521290240²) is 421123353114319257600
• 20521290240 cubed (20521290240³) is 8641994556100953385230925824000
• The square root of 20521290240 is 143252.5400821919
• The cube root of 20521290240 is 2737.7989605315

Scales and comparisons

• 20,521,290,240 seconds is equal to 652 years, 26 weeks, 4 days, 22 hours, 24 minutes.
• To count from 1 to 20,521,290,240 would take you about one thousand, three hundred five 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 20521290240 cubic inches would be around 228.1 feet tall.

Recreational maths with 20521290240

• 20521290240 backwards is 04209212502
• The number of decimal digits it has is: 11
• The sum of 20521290240's digits is 27
• More coming soon!