20721890504304

Names of 20721890504304

• Cardinal: 20721890504304 can be written as Twenty trillion, seven hundred twenty-one billion, eight hundred ninety million, five hundred four thousand, three hundred four.

Scientific notation

• Scientific notation: 2.0721890504304 × 10¹³

Factors of 20721890504304

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6950

Divisors of 20721890504304

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 31 33 36 38 44 48 57 62 66 72 76 88 93 99 114 121 124 132 144 152 171 176 186 198 209 228 242 248 264 279 304 307 341 342 363 372 396 418 456 484 496 528 558 589 614 627 682 684 726 744 792 836 912 921 968 1023 1089 1116 1178 1228 1254 1364 1368 1452 1488 1584 1672 1767 1842 1881 1936 2046 2178 2232 2299 2356 2456 2508 2728 2736 2763 2904 3069 3344 3377 3534 3684 3751 3762 4092 4356 4464 4598 4712 4912 5016 5301 5456 5526 5808 5833 6138 6479 6577 6754 6897 7068 7368 7502 7524 8184 8712 9196 9424 9517 10032 10131 10602 11052 11253 11666 12276 12958 13154 13508 13794 14136 14736 15004 15048 16368 17424 17499 18392 19034 19437 19731 20262 20691 21204 22104 22506 23332 24552 25916 26308 27016 27588 28272 28551 30008 30096 30393 33759 34998 36784 37147 38068 38874 39462 40524 41382 42408 44208 45012 46664 49104 51832 52497 52616 54032 55176 57102 58311 59193 60016 60786 64163 67518 69996 71269 72347 74294 76136 77748 78924 81048 82764 84816 85653 90024 93328 103664 104687 104994 105232 110352 111441 114204 116622 118386 121572 124963 128326 135036 139992 142538 144694 148588 152272 155496 157848 162096 165528 171306 180048 180823 192489 203887 209374 209988 213807 217041 222882 228408 233244 236772 243144 249926 256652 270072 279984 285076 289388 297176 310992 314061 315696 331056 334323 342612 361646 374889 384978 407774 418748 419976 427614 434082 445764 456816 466488 473544 486288 499852 513304 540144 542469 570152 577467 578776 594352 611661 628122 641421 651123 668646 685224 705793 723292 749778 769956 795817 815548 837496 839952 855228 868164 891528 932976 942183 947088 999704 1026608 1084938 1124667 1140304 1151557 1154934 1157552 1223322 1256244 1282842 1302246 1337292 1370448 1374593 1411586 1446584 1499556 1539912 1591634 1627407 1631096 1674992 1710456 1736328 1783056 1834983 1884366 1989053 1999408 2019139 2117379 2169876 2242757 2249334 2303114 2309868 2387451 2446644 2512488 2565684 2604492 2674584 2749186 2823172 2893168 2999112 3079824 3183268 3254814 3262192 3420912 3454671 3472656 3669966 3768732 3873853 3978106 4038278 4123779 4234758 4339752 4485514 4498668 4606228 4619736 4774902 4893288 5024976 5131368 5208984 5349168 5498372 5646344 5967159 5998224 6057417 6352137 6366536 6509628 6728271 6909342 7162353 7339932 7537464 7747706 7956212 8076556 8247558 8469516 8679504 8971028 8997336 9212456 9239472 9549804 9786576 10262736 10364013 10417968 10996744 11292688 11621559 11934318 12114834 12371337 12704274 12733072 13019256 13456542 13818684 14324706 14679864 15074928 15120523 15495412 15912424 16153112 16495116 16939032 17901477 17942056 17994672 18172251 18424912 19099608 20184813 20728026 21879583 21993488 22210529 23243118 23868636 24229668 24670327 24742674 25408548 26038512 26913084 27637368 28649412 29359728 30241046 30990824 31824848 32306224 32990232 33878064 34864677 35802954 35884112 36344502 38199216 38363641 40369626 41456052 42612383 43759166 44421058 45361569 46486236 47737272 48459336 49340654 49485348 50817096 53826168 55274736 57298824 60482092 61981648 62593309 65638749 65980464 66631587 69729354 71605908 72689004 74010981 76727282 80739252 82912104 85224766 87518332 88842116 90723138 92972472 95474544 96918672 98681308 98970696 101634192 107652336 114597648 115090923 120964184 125186618 127837149 131277498 133263174 136084707 139458708 143211816 145378008 148021962 153454564 161478504 165824208 170449532 175036664 177684232 181446276 185944944 187779927 196916247 197362616 197941392 199894761 222032943 230181846 241928368 244315819 250373236 255674298 262554996 266526348 272169414 278917416 286423632 290756016 296043924 306909128 322957008 340899064 345272769 350073328 355368464 362892552 375559854 383511447 393832494 394725232 399789522 422000051 444065886 460363692 468736213 488631638 500746472 511348596 525109992 533052696 544338828 557834832 563339781 592087848 613818256 681798128 688526399 690545538 725785104 732947457 751119708 767022894 787664988 799579044 844000102 888131772 920727384 937472426 977263276 1001492944 1022697192 1050219984 1066105392 1088677656 1126679562 1184175696 1189272871 1266000153 1377052798 1381091076 1406208639 1465894914 1502239416 1534045788 1575329976 1599158088 1688000204 1776263544 1841454768 1874944852 1954526552 2045394384 2065579197 2177355312 2198842371 2253359124 2378545742 2532000306 2754105596 2762182152 2812417278 2931789828 3004478832 3068091576 3150659952 3198316176 3376000408 3552527088 3567818613 3749889704 3798000459 3909053104 4131158394 4218625917 4397684742 4506718248 4642000561 4757091484 5064000612 5508211192 5524364304 5624834556 5863579656 6136183152 6196737591 6752000816 7135637226 7499779408 7573790389 7596000918 8262316788 8437251834 8795369484 9013436496 9284001122 9514182968 10128001224 10703455839 11016422384 11249669112 11727159312 12393475182 13082001581 13926001683 14271274452 15147580778 15192001836 16524633576 16874503668 17590738968 18568002244 19028365936 20256002448 21406911678 22499338224 22721371167 24786950364 26164003162 27852003366 28542548904 30295161556 30384003672 33049267152 33749007336 35181477936 37136004488 39246004743 41778005049 42813823356 45442742334 49573900728 52328006324 55704006732 57085097808 60590323112 60768007344 67498014672 68164113501 74272008976 78492009486 83556010098 85627646712 90885484668 99147801456 104656012648 111408013464 117738014229 121180646224 136328227002 143902017391 156984018972 167112020196 171255293424 181770969336 209312025296 222816026928 235476028458 272656454004 287804034782 313968037944 334224040392 363541938672 431706052173 470952056916 545312908008 575608069564 627936075888 668448080784 863412104346 941904113832 1090625816016 1151216139128 1295118156519 1726824208692 1883808227664 2302432278256 2590236313038 3453648417384 5180472626076 6907296834768 10360945252152 20721890504304
• Sum of all divisors σ(n): 69499430640640
• Sum of proper divisors (its aliquot sum) s(n): 48777540136336
• 20721890504304 is an abundant number, because the sum of its proper divisors (48777540136336) is greater than itself. Its abundance is 28055649632032

Bases of 20721890504304

• Binary: 100101101100010110000111011000010111001110000₂
• Hexadecimal: 0x12D8B0EC2E70
• Base-36: 7CFI6KZG0

Squares and roots of 20721890504304

• 20721890504304 squared (20721890504304²) is 429396746072364283442524416
• 20721890504304 cubed (20721890504304³) is 8897912355015961352702409867865073086464
• The square root of 20721890504304 is 4552130.3259357593
• The cube root of 20721890504304 is 27466.9091803173

Scales and comparisons

• 20,721,890,504,304 seconds is equal to 658,892 years, 1 week, 15 hours, 38 minutes, 24 seconds.
• To count from 1 to 20,721,890,504,304 would take you about one million, six hundred forty-seven thousand, two hundred thirty 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 20721890504304 cubic inches would be around 2288.9 feet tall.

Recreational maths with 20721890504304

• 20721890504304 backwards is 40340509812702
• The number of decimal digits it has is: 14
• The sum of 20721890504304's digits is 45
• More coming soon!