1638956295551016

Names of 1638956295551016

• Cardinal: 1638956295551016 can be written as One quadrillion, six hundred thirty-eight trillion, nine hundred fifty-six billion, two hundred ninety-five million, five hundred fifty-one thousand and sixteen.

Scientific notation

• Scientific notation: 1.638956295551016 × 10¹⁵

Factors of 1638956295551016

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 28876

Divisors of 1638956295551016

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 81 104 108 117 156 162 169 216 234 312 324 338 351 468 507 648 676 702 936 1014 1053 1352 1404 1521 2028 2106 2197 2808 3042 3491 4056 4212 4394 4563 6084 6591 6982 8424 8788 9126 10473 12168 13182 13689 13964 17576 18252 19773 20946 25367 26364 27378 27928 28561 31419 36504 39546 41892 45383 50734 52728 54756 57122 59319 62838 76101 79092 83784 85683 90766 94257 101468 109512 114244 118638 125676 136149 152202 158184 171366 177957 181532 188514 202936 228303 228488 237276 251352 257049 272298 282771 304404 329771 342732 355914 363064 377028 408447 456606 474552 514098 544596 565542 589979 608808 659542 684909 685464 711828 754056 771147 816894 913212 989313 1028196 1089192 1131084 1179958 1225341 1319084 1369818 1423656 1542294 1633788 1769937 1826424 1978626 2054727 2056392 2262168 2313441 2359916 2450682 2638168 2739636 2967939 3084588 3267576 3539874 3676023 3957252 4109454 4287023 4626882 4719832 4901364 5309811 5479272 5935878 6169176 7079748 7352046 7669727 7914504 8218908 8574046 8903817 9253764 9802728 10619622 11871756 12861069 14159496 14704092 15339454 15929433 16437816 17148092 17807634 18507528 21239244 23009181 23743512 25722138 26711451 29408184 30678908 31858866 34296184 35615268 38583207 42478488 46018362 47788299 51444276 53422902 55731299 61357816 63717732 69027543 71230536 77166414 88556197 92036724 95576598 99706451 102888552 106845804 111462598 115749621 127435464 138055086 154332828 167193897 177112394 184073448 191153196 199412902 207082629 213691608 222925196 231499242 265668591 276110172 299119353 308665656 334387794 347248863 354224788 382306392 398825804 414165258 445850392 462998484 501581691 531337182 552220344 598238706 621247887 668775588 694497726 708449576 724506887 797005773 797651608 828330516 897358059 925996968 1003163382 1062674364 1151230561 1196477412 1242495774 1337551176 1388995452 1449013774 1504745073 1594011546 1656661032 1794716118 2006326764 2125348728 2173520661 2302461122 2391017319 2392954824 2484991548 2692074177 2777990904 2898027548 3009490146 3188023092 3453691683 3589432236 4012653528 4347041322 4514235219 4604922244 4782034638 4969983096 5384148354 5796055096 6018980292 6376046184 6520561983 6907383366 7173051957 7178864472 8076222531 8694082644 9028470438 9209844488 9564069276 10361075049 10768296708 12037960584 13041123966 13814766732 14346103914 14965997293 16152445062 17388165288 18056940876 19128138552 19561685949 20722150098 21536593416 26082247932 27629533464 28692207828 29931994586 31083225147 32304890124 36113881752 39123371898 41444300196 44897991879 52164495864 57384415656 58685057847 59863989172 62166450294 64609780248 78246743796 82888600392 89795983758 93249675441 117370115694 119727978344 124332900588 134693975637 156493487592 179591967516 186499350882 194557964809 234740231388 248665801176 269387951274 359183935032 372998701764 389115929618 404081926911 469480462776 538775902548 583673894427 745997403528 778231859236 808163853822 1077551805096 1167347788854 1212245780733 1556463718472 1616327707644 1751021683281 2334695577708 2424491561466 2529253542517 3232655415288 3502043366562 4669391155416 4848983122932 5058507085034 5253065049843 7004086733124 7587760627551 9697966245864 10117014170068 10506130099686 14008173466248 15175521255102 15759195149529 20234028340136 21012260199372 22763281882653 30351042510204 31518390299058 42024520398744 45526563765306 60702085020408 63036780598116 68289845647959 91053127530612 126073561196232 136579691295918 182106255061224 204869536943877 273159382591836 409739073887754 546318765183672 819478147775508 1638956295551016
• Sum of all divisors σ(n): 4974752045118240
• Sum of proper divisors (its aliquot sum) s(n): 3335795749567224
• 1638956295551016 is an abundant number, because the sum of its proper divisors (3335795749567224) is greater than itself. Its abundance is 1696839454016208

Bases of 1638956295551016

• Binary: 101110100101001111100111111110011000111100000101000₂
• Hexadecimal: 0x5D29F3FCC7828
• Base-36: G4YM4LRUI0

Squares and roots of 1638956295551016

• 1638956295551016 squared (1638956295551016²) is 2686177738726309308995058632256
• 1638956295551016 cubed (1638956295551016³) is 4402527915854476836976567519435282478831172096
• The square root of 1638956295551016 is 40484025.1895857807
• The cube root of 1638956295551016 is 117902.3489618753

Scales and comparisons

• 1,638,956,295,551,016 seconds is equal to 52,113,740 years, 29 weeks, 5 days, 21 hours, 3 minutes, 36 seconds.
• To count from 1 to 1,638,956,295,551,016 would take you about one hundred fifty-six million, three hundred forty-one thousand, two hundred twenty-one 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 1638956295551016 cubic inches would be around 9825.2 feet tall.

Recreational maths with 1638956295551016

• 1638956295551016 backwards is 6101555926598361
• 1638956295551016 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1638956295551016's digits is 72
• More coming soon!