66909809539664

Names of 66909809539664

• Cardinal: 66909809539664 can be written as Sixty-six trillion, nine hundred nine billion, eight hundred nine million, five hundred thirty-nine thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 6.6909809539664 × 10¹³

Factors of 66909809539664

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 75089

Divisors of 66909809539664

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 7 8 13 14 16 17 26 28 34 49 52 56 68 91 98 104 112 119 136 182 196 208 221 238 272 364 392 442 476 637 728 784 833 884 952 1274 1456 1547 1666 1768 1904 2548 3094 3332 3536 5096 5557 6188 6664 10192 10829 11114 12376 13328 21658 22228 24752 38899 43316 44456 69493 72241 77798 86632 88912 94469 138986 144482 155596 173264 188938 272293 277972 288964 311192 377876 486451 505687 544586 555944 577928 622384 661283 755752 903409 972902 1011374 1089172 1111888 1155856 1181381 1228097 1322566 1511504 1806818 1945804 2022748 2178344 2362762 2456194 2645132 3405157 3539809 3613636 3891608 4045496 4356688 4628981 4725524 4912388 5290264 6323863 6810314 7079618 7227272 7783216 8090992 8269667 8596679 9257962 9451048 9824776 10580528 12647726 13620628 14159236 14454544 15357953 16539334 17193358 18515924 18902096 19649552 25295452 27241256 28318472 30715906 33078668 34386716 37031848 44267041 50590904 54482512 56636944 57887669 60176753 61431812 66157336 68773432 74063696 88534082 101181808 107505671 115775338 120353506 122863624 132314672 137546864 177068164 215011342 231550676 240707012 245727248 354136328 386172601 430022684 463101352 481414024 708272656 752539697 772345202 860045368 926202704 962828048 1505079394 1544690404 1720090736 2703208207 3010158788 3089380808 5020243813 5406416414 6020317576 6178761616 6564934217 10040487626 10812832828 12040635152 13129868434 18922457449 20080975252 21625665656 26259736868 35141706691 37844914898 40161950504 43251331312 45954539519 52519473736 70283413382 75689829796 80323901008 85344144821 91909079038 105038947472 140566826764 151379659592 170688289642 183818158076 245991946837 281133653528 302759319184 321681776633 341376579284 367636316152 491983893674 562267307056 597409013747 643363553266 682753158568 735272632304 983967787348 1194818027494 1286727106532 1365506317136 1967935574696 2389636054988 2573454213064 3935871149392 4181863096229 4779272109976 5146908426128 8363726192458 9558544219952 16727452384916 33454904769832 66909809539664
• Sum of all divisors σ(n): 171989899473168
• Sum of proper divisors (its aliquot sum) s(n): 105080089933504
• 66909809539664 is an abundant number, because the sum of its proper divisors (105080089933504) is greater than itself. Its abundance is 38170280393840

Bases of 66909809539664

• Binary: 1111001101101010100111011011011111101001010000₂
• Hexadecimal: 0x3CDAA76DFA50
• Base-36: NPTXX1FM8

Squares and roots of 66909809539664

• 66909809539664 squared (66909809539664²) is 4476922612634111619589232896
• 66909809539664 cubed (66909809539664³) is 299550039335163360175971444601880645586944
• The square root of 66909809539664 is 8179841.6573711255
• The cube root of 66909809539664 is 40597.2482988005

Scales and comparisons

• 66,909,809,539,664 seconds is equal to 2,127,524 years, 50 weeks, 5 days, 21 hours, 27 minutes, 44 seconds.
• To count from 1 to 66,909,809,539,664 would take you about five million, three hundred eighteen thousand, eight hundred twelve 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 66909809539664 cubic inches would be around 3383.1 feet tall.

Recreational maths with 66909809539664

• 66909809539664 backwards is 46693590890966
• The number of decimal digits it has is: 14
• The sum of 66909809539664's digits is 80
• More coming soon!