1638951648650368

Names of 1638951648650368

• Cardinal: 1638951648650368 can be written as One quadrillion, six hundred thirty-eight trillion, nine hundred fifty-one billion, six hundred forty-eight million, six hundred fifty thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.638951648650368 × 10¹⁵

Factors of 1638951648650368

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 20748

Divisors of 1638951648650368

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 4 8 13 16 26 29 32 37 43 52 58 64 74 86 104 116 128 148 172 208 232 296 344 377 416 464 481 559 592 688 754 832 928 962 1073 1093 1118 1184 1247 1376 1508 1591 1664 1856 1924 2146 2186 2236 2368 2494 2752 3016 3182 3712 3848 4292 4372 4472 4736 4988 5504 6032 6364 7696 8584 8744 8944 9976 12064 12728 13949 14209 15392 16211 17168 17488 17888 19531 19952 20683 24128 25456 27898 28418 30784 31697 32422 34336 34976 35776 39062 39904 40441 41366 46139 46999 48256 50912 55796 56836 61568 63394 64844 68672 69952 71552 78124 79808 80882 82732 92278 93998 101824 111592 113672 126788 129688 137344 139904 156248 159616 161764 165464 184556 187996 203648 223184 227344 253576 253903 259376 312496 323528 330928 369112 375992 412061 446368 454688 507152 507806 518752 525733 566399 599807 610987 624992 647056 661856 722647 738224 751984 824122 839833 892736 909376 1014304 1015612 1037504 1051466 1132798 1172789 1199614 1221974 1249984 1294112 1323712 1362971 1445294 1476448 1503968 1648244 1679666 1738963 1785472 1818752 2028608 2031224 2075008 2102932 2265596 2345578 2399228 2443948 2499968 2588224 2647424 2725942 2890588 2952896 3007936 3296488 3359332 3477926 4057216 4062448 4205864 4531192 4691156 4798456 4887896 5176448 5451884 5781176 5905792 6015872 6592976 6718664 6955852 7363187 8124896 8411728 9062384 9382312 9394411 9596912 9775792 10903768 10917829 11562352 13185952 13437328 13911704 14726374 15246257 16249792 16823456 17718623 18124768 18764624 18788822 19193824 19551584 20956763 21347383 21807536 21835658 22606519 23124704 24355157 26371904 26874656 27823408 29452748 30492514 31073821 32499584 33646912 35437246 36249536 37529248 37577644 38387648 39103168 41913526 42694766 43615072 43671316 45213038 46249408 48710314 50429927 52743808 53749312 55646816 58905496 60985028 62147642 67293824 70874492 72499072 75058496 75155288 76775296 78206336 83827052 85389532 87230144 87342632 90426076 92498816 97420628 100859854 107498624 111293632 117810992 121970056 124295284 141748984 150116992 150310576 167654104 170779064 174460288 174685264 180852152 194841256 201719708 222587264 235621984 243940112 248590568 272437919 277515979 283497968 300621152 316617041 335308208 341558128 349370528 361704304 389682512 403439416 403959673 471243968 487880224 497181136 544875838 555031958 566995936 601242304 619074107 633234082 655589051 670616416 683116256 698741056 723408608 779365024 789853171 806878832 807919346 901140809 917937469 942487936 975760448 994362272 1089751676 1110063916 1133991872 1202484608 1238148214 1266468164 1311178102 1341232832 1366232512 1397482112 1446817216 1558730048 1579706342 1613757664 1615838692 1802281618 1835874938 1951520896 1988724544 2179503352 2220127832 2267983744 2476296428 2532936328 2622356204 2682465664 2732465024 2893634432 3117460096 3159412684 3227515328 3231677384 3604563236 3671749876 3977449088 4359006704 4440255664 4952592856 5065872656 5244712408 6318825368 6455030656 6463354768 7209126472 7343499752 8047963391 8718013408 8880511328 9905185712 10131745312 10268091223 10489424816 11714830517 11933187097 12637650736 12926709536 14418252944 14686999504 16095926782 17436026816 17761022656 19810371424 20263490624 20536182446 20978849632 22905741959 23429661034 23866374194 25275301472 25853419072 26620186601 28836505888 29373999008 32191853564 33963686353 34872053632 35522045312 39620742848 40526981248 41072364892 41957699264 45811483918 46859322068 47732748388 50550602944 51706838144 53240373202 57673011776 58747998016 64383707128 67927372706 79241485696 82144729784 83915398528 91622967836 93718644136 95465496776 101101205888 106480746404 115346023552 117495996032 128767414256 135854745412 164289459568 183245935672 187437288272 190930993552 212961492808 257534828512 271709490824 297774645467 328578919136 346062425813 366491871344 374874576544 381861987104 425922985616 441527922589 515069657024 543418981648 595549290934 657157838272 692124851626 732983742688 749749153088 763723974208 851845971232 883055845178 984946904237 1030139314048 1086837963296 1191098581868 1314315676544 1384249703252 1465967485376 1499498306176 1527447948416 1703691942464 1766111690356 1969893808474 2173675926592 2382197163736 2768499406504 2931934970752 3407383884928 3532223380712 3939787616948 4347351853184 4764394327472 5536998813008 7064446761424 7879575233896 9528788654944 11073997626016 12804309755081 14128893522848 15759150467792 19057577309888 22147995252032 25608619510162 28257787045696 31518300935584 38115154619776 44295990504064 51217239020324 56515574091392 63036601871168 102434478040648 126073203742336 204868956081296 409737912162592 819475824325184 1638951648650368
• Sum of all divisors σ(n): 3826394834169600
• Sum of proper divisors (its aliquot sum) s(n): 2187443185519232
• 1638951648650368 is an abundant number, because the sum of its proper divisors (2187443185519232) is greater than itself. Its abundance is 548491536868864

Bases of 1638951648650368

• Binary: 101110100101001111000101010110100100110010010000000₂
• Hexadecimal: 0x5D29E2AD26480
• Base-36: G4YJZR4N0G

Squares and roots of 1638951648650368

• 1638951648650368 squared (1638951648650368²) is 2686162506613759315235906535424
• 1638951648650368 cubed (1638951648650368³) is 4402490468757425866282617943338481240382636032
• The square root of 1638951648650368 is 40483967.7977636969
• The cube root of 1638951648650368 is 117902.2375330307

Scales and comparisons

• 1,638,951,648,650,368 seconds is equal to 52,113,592 years, 42 weeks, 3 days, 7 hours, 19 minutes, 28 seconds.
• To count from 1 to 1,638,951,648,650,368 would take you about one hundred fifty-six million, three hundred forty thousand, seven hundred seventy-eight 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 1638951648650368 cubic inches would be around 9825.2 feet tall.

Recreational maths with 1638951648650368

• 1638951648650368 backwards is 8630568461598361
• The number of decimal digits it has is: 16
• The sum of 1638951648650368's digits is 79
• More coming soon!