991347732144

Names of 991347732144

• Cardinal: 991347732144 can be written as Nine hundred ninety-one billion, three hundred forty-seven million, seven hundred thirty-two thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 9.91347732144 × 10¹¹

Factors of 991347732144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 22414

Divisors of 991347732144

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 33 36 42 44 48 54 56 63 66 72 77 84 88 99 108 112 121 126 132 144 154 168 176 189 198 216 231 242 252 264 297 308 336 363 378 396 432 462 484 504 528 594 616 693 726 756 792 847 924 968 1008 1089 1188 1232 1331 1386 1452 1512 1584 1694 1848 1936 2079 2178 2376 2541 2662 2772 2904 3024 3267 3388 3696 3993 4158 4356 4752 5082 5324 5544 5808 6534 6776 7623 7986 8316 8712 9317 10164 10648 11088 11979 13068 13552 14641 15246 15972 16632 17424 18634 20328 21296 22391 22869 23958 26136 27951 29282 30492 31944 33264 35937 37268 40656 43923 44782 45738 47916 52272 55902 58564 60984 63888 67173 71874 74536 83853 87846 89564 91476 95832 102487 111804 117128 121968 131769 134346 143748 149072 156737 167706 175692 179128 182952 191664 201519 204974 223608 234256 246301 251559 263538 268692 287496 307461 313474 335412 351384 358256 365904 395307 403038 409948 447216 470211 492602 503118 527076 537384 574992 604557 614922 626948 670824 702768 738903 790614 806076 819896 922383 940422 985204 1006236 1054152 1074768 1209114 1229844 1253896 1341648 1410633 1477806 1581228 1612152 1639792 1724107 1844766 1880844 1970408 2012472 2108304 2216709 2418228 2459688 2507792 2709311 2767149 2821266 2955612 3162456 3224304 3448214 3689532 3761688 3940816 4024944 4231899 4433418 4836456 4919376 5172321 5418622 5534298 5642532 5911224 6324912 6650127 6896428 7379064 7523376 8127933 8463798 8866836 9672912 10344642 10837244 11068596 11285064 11822448 13300254 13792856 14758128 15516963 16255866 16927596 17733672 18965177 20689284 21674488 22137192 22570128 24383799 26600508 27585712 29802421 31033926 32511732 33855192 35467344 37930354 41378568 43348976 44274384 46550889 48767598 53201016 56895531 59604842 62067852 65023464 67710384 73151397 75860708 82757136 89407263 93101778 97535196 106402032 113791062 119209684 124135704 130046928 146302794 151721416 170686593 178814526 186203556 195070392 208616947 227582124 238419368 248271408 268221789 292605588 303442832 327826631 341373186 357629052 372407112 390140784 417233894 455164248 476838736 512059779 536443578 585211176 625850841 655653262 682746372 715258104 744814224 804665367 834467788 910328496 983479893 1024119558 1072887156 1170422352 1251701682 1311306524 1365492744 1430516208 1609330734 1668935576 1877552523 1966959786 2048239116 2145774312 2294786417 2503403364 2622613048 2730985488 2950439679 3218661468 3337871152 3755105046 3933919572 4096478232 4291548624 4589572834 5006806728 5245226096 5632657569 5900879358 6437322936 6884359251 7510210092 7867839144 8192956464 8851319037 9179145668 10013613456 11265315138 11801758716 12874645872 13768718502 15020420184 15735678288 17702638074 18358291336 20653077753 22530630276 23603517432 27537437004 30040840368 35405276148 36716582672 41306155506 45061260552 47207034864 55074874008 61959233259 70810552296 82612311012 90122521104 110149748016 123918466518 141621104592 165224622024 247836933036 330449244048 495673866072 991347732144
• Sum of all divisors σ(n): 3577381747200
• Sum of proper divisors (its aliquot sum) s(n): 2586034015056
• 991347732144 is an abundant number, because the sum of its proper divisors (2586034015056) is greater than itself. Its abundance is 1594686282912

Bases of 991347732144

• Binary: 1110011011010000111011011110111010110000₂
• Hexadecimal: 0xE6D0EDEEB0
• Base-36: CNF2UDO0

Squares and roots of 991347732144

• 991347732144 squared (991347732144²) is 982770326027051970836736
• 991347732144 cubed (991347732144³) is 974267133925337468883023859683241984
• The square root of 991347732144 is 995664.4676516281
• The cube root of 991347732144 is 9971.0755252861

Scales and comparisons

• 991,347,732,144 seconds is equal to 31,521 years, 41 weeks, 1 day, 2 hours, 2 minutes, 24 seconds.
• To count from 1 to 991,347,732,144 would take you about sixty-three thousand and forty-three 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 991347732144 cubic inches would be around 830.9 feet tall.

Recreational maths with 991347732144

• 991347732144 backwards is 441237743199
• 991347732144 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 991347732144's digits is 54
• More coming soon!