668138294448

Names of 668138294448

• Cardinal: 668138294448 can be written as Six hundred sixty-eight billion, one hundred thirty-eight million, two hundred ninety-four thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 6.68138294448 × 10¹¹

Factors of 668138294448

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 187

Divisors of 668138294448

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 31 36 38 48 57 59 62 72 73 76 93 114 118 124 144 146 152 171 177 186 219 228 236 248 279 292 304 342 354 372 438 456 472 496 531 558 584 589 657 684 708 744 876 912 944 961 1062 1116 1121 1168 1178 1314 1368 1387 1416 1488 1752 1767 1829 1922 2124 2232 2242 2263 2356 2628 2736 2774 2832 2883 3363 3481 3504 3534 3658 3844 4161 4248 4307 4464 4484 4526 4712 5256 5301 5487 5548 5766 6726 6789 6962 7068 7316 7688 8322 8496 8614 8649 8968 9052 9424 10089 10443 10512 10602 10974 11096 11532 12483 12921 13452 13578 13924 14136 14632 15376 16461 16644 17228 17298 17936 18104 18259 20178 20367 20886 21204 21948 22192 23064 24966 25842 26904 27156 27848 28272 29264 31329 32922 33288 34456 34596 34751 36208 36518 38763 40356 40734 41772 42408 42997 43896 46128 49932 51684 53808 54312 54777 55696 56699 62658 65844 66139 66576 68912 69192 69502 70153 73036 77526 80712 81468 81833 83544 84816 85994 87792 99864 103368 104253 107911 108624 109554 113398 125316 128991 131688 132278 133517 138384 139004 140306 146072 155052 161424 162936 163666 164331 167088 170097 171988 198417 199728 206736 208506 210459 215822 219108 226796 245499 250632 254113 257982 263376 264556 267034 278008 280612 292144 310104 312759 323733 325872 327332 328662 340194 343976 386973 396834 400551 417012 420918 431644 438216 453592 490998 501264 508226 510291 515964 529112 534068 556016 561224 595251 620208 625518 631377 647466 654664 657324 680388 687952 736497 762339 773946 793668 801102 834024 841836 863288 876432 907184 971199 981996 1016452 1020582 1031928 1058224 1068136 1077281 1122448 1190502 1201653 1251036 1262754 1294932 1309328 1314648 1332907 1360776 1472994 1524678 1547892 1587336 1602204 1668048 1683672 1726576 1942398 1963992 2032904 2041164 2050309 2063856 2136272 2154562 2287017 2381004 2403306 2502072 2525508 2536823 2589864 2629296 2665814 2721552 2945988 3049356 3095784 3174672 3204408 3231843 3345241 3367344 3884796 3927984 3998721 4065808 4082328 4100618 4139027 4309124 4574034 4762008 4806612 4828147 5004144 5051016 5073646 5179728 5331628 5891976 6098712 6150927 6191568 6408816 6463686 6690482 7610469 7769592 7877503 7997442 8164656 8201236 8278054 8618248 9148068 9524016 9613224 9656294 9695529 10035723 10102032 10147292 10663256 11783952 11996163 12197424 12301854 12417081 12927372 13380964 14484441 15220938 15539184 15755006 15994884 16402472 16556108 17236496 18296136 18452781 19226448 19312588 19391058 20071446 20294584 21326512 22831407 23632509 23992326 24603708 24834162 25854744 26761928 28968882 30107169 30441876 31510012 31989768 32804944 33112216 36592272 36905562 37251243 38625176 38782116 40142892 40589168 43453323 45662814 47265018 47984652 49207416 49668324 51709488 53523856 57937764 60214338 60883752 63020024 63559579 63979536 66224432 70897527 73811124 74502486 77250352 77564232 78641513 80285784 86906646 91325628 94530036 95969304 98414832 99336648 115875528 120428676 121767504 126040048 127119158 141795054 147622248 149004972 149672557 155128464 157283026 160571568 173813292 182651256 189060072 190678737 191938608 198673296 231751056 235924539 240857352 244202593 254238316 283590108 295244496 298009944 299345114 314566052 347626584 365302512 378120144 381357474 449017671 471849078 481714704 488405186 508476632 567180216 572036211 596019888 598690228 629132104 695253168 707773617 732607779 762714948 898035342 943698156 976810372 1016953264 1134360432 1144072422 1197380456 1258264208 1347053013 1415547234 1465215558 1525429896 1796070684 1887396312 1953620744 2197823337 2288144844 2394760912 2694106026 2831094468 2930431116 3050859792 3592141368 3774792624 3907241488 4395646674 4576289688 4639849267 5388212052 5662188936 5860862232 7184282736 8791293348 9152579376 9279698534 10776424104 11324377872 11721724464 13919547801 17582586696 18559397068 21552848208 27839095602 35165173392 37118794136 41758643403 55678191204 74237588272 83517286806 111356382408 167034573612 222712764816 334069147224 668138294448
• Sum of all divisors σ(n): 2097210081720
• Sum of proper divisors (its aliquot sum) s(n): 1429071787272
• 668138294448 is an abundant number, because the sum of its proper divisors (1429071787272) is greater than itself. Its abundance is 760933492824

Bases of 668138294448

• Binary: 1001101110010000001001010100110010110000₂
• Hexadecimal: 0x9B90254CB0
• Base-36: 8IXSAFG0

Squares and roots of 668138294448

• 668138294448 squared (668138294448²) is 446408780507882347624704
• 668138294448 cubed (668138294448³) is 298262801235148098962215974550843392
• The square root of 668138294448 is 817397.2684368355
• The cube root of 668138294448 is 8742.2278498029

Scales and comparisons

• 668,138,294,448 seconds is equal to 21,244 years, 38 weeks, 2 hours, 40 minutes, 48 seconds.
• To count from 1 to 668,138,294,448 would take you about forty-two thousand, four hundred eighty-nine 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 668138294448 cubic inches would be around 728.5 feet tall.

Recreational maths with 668138294448

• 668138294448 backwards is 844492831866
• The number of decimal digits it has is: 12
• The sum of 668138294448's digits is 63
• More coming soon!