81629496630072

Names of 81629496630072

• Cardinal: 81629496630072 can be written as Eighty-one trillion, six hundred twenty-nine billion, four hundred ninety-six million, six hundred thirty thousand and seventy-two.

Scientific notation

• Scientific notation: 8.1629496630072 × 10¹³

Factors of 81629496630072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 235

Divisors of 81629496630072

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 31 36 62 72 93 124 186 199 248 279 372 398 558 597 744 796 961 1116 1194 1592 1791 1922 2232 2388 2883 3582 3844 4776 5766 6169 7164 7688 8649 11532 12338 14328 17298 18507 23064 24676 29791 34596 37014 39601 49352 55521 59582 69192 74028 79202 89373 111042 118803 119164 148056 158404 178746 191239 222084 237606 238328 268119 316808 356409 357492 382478 444168 475212 536238 573717 712818 714984 764956 923521 950424 1072476 1147434 1227631 1425636 1529912 1721151 1847042 2144952 2294868 2455262 2770563 2851272 3442302 3682893 3694084 4589736 4910524 5541126 5928409 6884604 7365786 7388168 8311689 9821048 11048679 11082252 11856818 13769208 14731572 16623378 17785227 22097358 22164504 23713636 28629151 29463144 33246756 35570454 38056561 44194716 47427272 53355681 57258302 66493512 71140908 76113122 85887453 88389432 106711362 114169683 114516604 142281816 152226244 171774906 183780679 213422724 228339366 229033208 257662359 304452488 342509049 343549812 367561358 426845448 456678732 515324718 551342037 685018098 687099624 735122716 913357464 1030649436 1102684074 1179753391 1370036196 1470245432 1654026111 2061298872 2205368148 2359506782 2740072392 3308052222 3539260173 4410736296 4719013564 5697201049 6616104444 7078520346 9438027128 10617780519 11394402098 13232208888 14157040692 17091603147 21235561038 22788804196 28314081384 34183206294 36572355121 42471122076 45577608392 51274809441 68366412588 73144710242 84942244152 102549618882 109717065363 136732825176 146289420484 205099237764 219434130726 292578840968 329151196089 410198475528 438868261452 658302392178 877736522904 1133743008751 1316604784356 2267486017502 2633209568712 3401229026253 4534972035004 6802458052506 9069944070008 10203687078759 13604916105012 20407374157518 27209832210024 40814748315036 81629496630072
• Sum of all divisors σ(n): 229602970789920
• Sum of proper divisors (its aliquot sum) s(n): 147973474159848
• 81629496630072 is an abundant number, because the sum of its proper divisors (147973474159848) is greater than itself. Its abundance is 66343977529776

Bases of 81629496630072

• Binary: 10010100011110111011001001001100101101100111000₂
• Hexadecimal: 0x4A3DD9265B38
• Base-36: SXO2MOKE0

Squares and roots of 81629496630072

• 81629496630072 squared (81629496630072²) is 6663374720078936004414725184
• 81629496630072 cubed (81629496630072³) is 543927924257590462886203157922021990133248
• The square root of 81629496630072 is 9034904.3509088683
• The cube root of 81629496630072 is 43379.2833357587

Scales and comparisons

• 81,629,496,630,072 seconds is equal to 2,595,565 years, 25 weeks, 5 days, 15 hours, 1 minute, 12 seconds.
• To count from 1 to 81,629,496,630,072 would take you about six million, four hundred eighty-eight thousand, nine hundred thirteen 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 81629496630072 cubic inches would be around 3614.9 feet tall.

Recreational maths with 81629496630072

• 81629496630072 backwards is 27003669492618
• The number of decimal digits it has is: 14
• The sum of 81629496630072's digits is 63
• More coming soon!