20642421185805762

Names of 20642421185805762

• Cardinal: 20642421185805762 can be written as Twenty quadrillion, six hundred forty-two trillion, four hundred twenty-one billion, one hundred eighty-five million, eight hundred five thousand, seven hundred sixty-two.

Scientific notation

• Scientific notation: 2.0642421185805762 × 10¹⁶

Factors of 20642421185805762

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 1014

Divisors of 20642421185805762

• Number of divisors d(n): 486
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 27 42 49 54 63 81 98 126 147 162 189 233 243 294 378 441 466 486 567 699 729 769 882 1134 1323 1398 1458 1538 1631 1701 2097 2187 2307 2646 3262 3402 3969 4194 4374 4614 4893 5103 5383 6291 6561 6921 7938 9786 10206 10766 11417 11907 12582 13122 13842 14679 15309 16149 18873 20763 22834 23814 29358 30618 32298 34251 35721 37681 37746 41526 44037 45927 48447 54289 56619 62289 68502 71442 75362 88074 91854 96894 102753 107163 108578 113043 113238 124578 132111 145341 162867 169857 179177 186867 205506 214326 226086 264222 290682 308259 321489 325734 339129 339714 358354 373734 380023 396333 436023 488601 509571 537531 560601 591361 616518 642978 678258 760046 792666 872046 924777 977202 1017387 1019142 1075062 1121202 1140069 1182722 1188999 1254239 1308069 1465803 1528713 1612593 1681803 1774083 1849554 2034774 2280138 2377998 2508478 2616138 2660161 2774331 2931606 3052161 3057426 3225186 3363606 3420207 3548166 3566997 3762717 3924207 4139527 4397409 4837779 5045409 5320322 5322249 5548662 6104322 6840414 7133994 7525434 7848414 7980483 8279054 8322993 8779673 8794818 9156483 9675558 10090818 10260621 10644498 10700991 11288151 11772621 12418581 13192227 14513337 15960966 15966747 16645986 17559346 18312966 20521242 21401982 22576302 23545242 23941449 24837162 24968979 26339019 26384454 27469449 28976689 29026674 30781863 31933494 33864453 35317863 37255743 39576681 41748241 43540011 47882898 47900241 49937958 52678038 54938898 57953378 61563726 67728906 70635726 71824347 74511486 74906937 79017057 79153362 82408347 83496482 86930067 87080022 92345589 95800482 101593359 111767229 118730043 125244723 130620033 137787113 143648694 143700723 149813874 158034114 164816694 173860134 184691178 203186718 215473041 223534458 237051171 237460086 247225041 250489446 260790201 261240066 275574226 277036767 287401446 292237687 304780077 335301687 356190129 375734169 391860099 413361339 430946082 431102169 474102342 494450082 521580402 554073534 584475374 609560154 646419123 670603374 711153513 712380258 751468338 782370603 783720198 826722678 831110301 862204338 876713061 914340231 964509791 1005905061 1127202507 1175580297 1240084017 1292838246 1293306507 1422307026 1564741206 1662220602 1753426122 1828680462 1929019582 1939257369 2011810122 2045663809 2133460539 2254405014 2347111809 2351160594 2480168034 2493330903 2586613014 2630139183 2743020693 2893529373 3017715183 3381607521 3720252051 3878514738 3879919521 4091327618 4266921078 4694223618 4986661806 5260278366 5486041386 5787058746 5817772107 6035430366 6136991427 6400381617 6751568537 6763215042 7041335427 7440504102 7759839042 7890417549 8229062079 8680588119 9053145549 10144822563 11160756153 11635544214 12273982854 12800763234 13503137074 14082670854 15780835098 16458124158 17361176238 17453316321 18106291098 18410974281 19201144851 20254705611 20289645126 21124006281 22321512306 23671252647 26041764357 27159436647 30434467689 32104397329 33482268459 34906632642 36821948562 38402289702 40509411222 42248012562 47342505294 52083528714 54318873294 55232922843 57603434553 60764116833 60868935378 63372018843 64208794658 66964536918 71013757941 78125293071 91303403067 96313191987 100446805377 110465845686 115206869106 121528233666 126744037686 142027515882 156250586142 165698768529 182292350499 182606806134 190116056529 192626383974 200893610754 213041273823 224730781303 234375879213 273910209201 288939575961 301340416131 331397537058 364584700998 380232113058 426082547646 449461562606 468751758426 497096305587 546877051497 547820418402 577879151922 602680832262 639123821469 674192343909 703127637639 866818727883 904021248393 994192611174 1093754102994 1278247642938 1348384687818 1406255275278 1491288916761 1573115469121 1640631154491 1733637455766 1808042496786 1917371464407 2022577031727 2109382912917 2600456183649 2982577833522 3146230938242 3281262308982 3834742928814 4045154063454 4218765825834 4473866750283 4719346407363 4921893463473 5200912367298 6067731095181 6328148738751 7801368550947 8947733500566 9438692814726 9843786926946 12135462190362 12656297477502 13421600250849 14158039222089 14765680390419 15602737101894 18203193285543 23404105652841 26843200501698 28316078444178 29531360780838 36406386571086 42474117666267 44297041171257 46808211305682 54609579856629 70212316958523 84948235332534 88594082342514 109219159713258 127422352998801 140424633917046 163828739569887 210636950875569 254844705997602 327657479139774 382267058996403 421273901751138 491486218709661 764534117992806 982972437419322 1146801176989209 1474458656128983 2293602353978418 2948917312257966 3440403530967627 6880807061935254 10321210592902881 20642421185805762
• Sum of all divisors σ(n): 54329146758020043
• Sum of proper divisors (its aliquot sum) s(n): 33686725572214281
• 20642421185805762 is an abundant number, because the sum of its proper divisors (33686725572214281) is greater than itself. Its abundance is 13044304386408519

Bases of 20642421185805762

• Binary: 1001001010101100010110000110110000101010111110111000010₂
• Hexadecimal: 0x49562C36157DC2
• Base-36: 5N94LDMIA4I

Squares and roots of 20642421185805762

• 20642421185805762 squared (20642421185805762²) is 426109552412202561383385192400644
• 20642421185805762 cubed (20642421185805762³) is 8795932852187860890782414562891753932642267710728
• The square root of 20642421185805762 is 143674706.1448387373
• The cube root of 20642421185805762 is 274317.5194952675

Scales and comparisons

• 20,642,421,185,805,762 seconds is equal to 656,365,142 years, 26 weeks, 2 days, 18 hours, 2 minutes, 42 seconds.
• To count from 1 to 20,642,421,185,805,762 would take you about one billion, nine hundred sixty-nine million, ninety-five thousand, four hundred twenty-seven 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 20642421185805762 cubic inches would be around 22859.8 feet tall.

Recreational maths with 20642421185805762

• 20642421185805762 backwards is 26750858112424602
• 20642421185805762 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 20642421185805762's digits is 63
• More coming soon!