491991232068

Names of 491991232068

• Cardinal: 491991232068 can be written as Four hundred ninety-one billion, nine hundred ninety-one million, two hundred thirty-two thousand and sixty-eight.

Scientific notation

• Scientific notation: 4.91991232068 × 10¹¹

Factors of 491991232068

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 31013

Divisors of 491991232068

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 41 42 54 57 63 76 81 82 84 108 114 123 126 133 162 164 171 189 228 243 246 252 266 287 324 342 369 378 399 486 492 513 532 567 574 684 729 738 756 779 798 861 972 1026 1107 1134 1148 1197 1458 1476 1539 1558 1596 1701 1722 2052 2214 2268 2337 2394 2583 2916 3078 3116 3321 3402 3444 3591 4428 4617 4674 4788 5103 5166 5453 6156 6642 6804 7011 7182 7749 9234 9348 9963 10206 10332 10773 10906 13284 13851 14022 14364 15498 16359 18468 19926 20412 21033 21546 21812 23247 27702 28044 29889 30941 30996 32319 32718 39852 42066 43092 46494 49077 55404 59778 61882 63099 64638 65436 69741 84132 92823 92988 96957 98154 119556 123764 126198 129276 139482 147231 185646 189297 193914 196308 209223 216587 252396 278469 278964 294462 371292 378594 387828 418446 433174 441693 556938 567891 587879 588924 649761 757188 835407 836892 866348 883386 1113876 1135782 1175758 1268581 1299522 1325079 1670814 1763637 1766772 1949283 2271564 2351516 2506221 2537162 2599044 2650158 3341628 3527274 3805743 3898566 3975237 4115153 5012442 5074324 5290911 5300316 5847849 7054548 7518663 7611486 7797132 7950474 8230306 8880067 10024884 10581822 11417229 11695698 12345459 15037326 15222972 15872733 15900948 16460612 17543547 17760134 21163644 22555989 22834458 23391396 24103039 24690918 26640201 30074652 31745466 34251687 35087094 35520268 37036377 45111978 45668916 47618199 48206078 49381836 52630641 53280402 63490932 68503374 70174188 72309117 74072754 79920603 90223956 95236398 96412156 102755061 105261282 106560804 111109131 137006748 142854597 144618234 148145508 157891923 159841206 168721273 190472796 205510122 210522564 216927351 222218262 239761809 285709194 289236468 308265183 315783846 319682412 333327393 337442546 411020244 428563791 433854702 444436524 479523618 506163819 571418388 616530366 631567692 650782053 666654786 674885092 719285427 857127582 867709404 924795549 959047236 999982179 1012327638 1233060732 1301564106 1333309572 1438570854 1518491457 1714255164 1849591098 1952346159 1999964358 2024655276 2157856281 2603128212 2877141708 2999946537 3036982914 3699182196 3904692318 3999928716 4315712562 4555474371 5857038477 5999893074 6073965828 6473568843 7809384636 8631425124 9110948742 11714076954 11999786148 12947137686 13666423113 17571115431 18221897484 23428153908 25894275372 27332846226 35142230862 40999269339 54665692452 70284461724 81998538678 122997808017 163997077356 245995616034 491991232068
• Sum of all divisors σ(n): 1590874266240
• Sum of proper divisors (its aliquot sum) s(n): 1098883034172
• 491991232068 is an abundant number, because the sum of its proper divisors (1098883034172) is greater than itself. Its abundance is 606891802104

Bases of 491991232068

• Binary: 111001010001100111101100110111001000100₂
• Hexadecimal: 0x728CF66E44
• Base-36: 6A0MVK90

Squares and roots of 491991232068

• 491991232068 squared (491991232068²) is 242055372431788631556624
• 491991232068 cubed (491991232068³) is 119089120911394290128499146466618432
• The square root of 491991232068 is 701420.8665758383
• The cube root of 491991232068 is 7894.3998770443

Scales and comparisons

• 491,991,232,068 seconds is equal to 15,643 years, 41 weeks, 3 days, 23 hours, 7 minutes, 48 seconds.
• To count from 1 to 491,991,232,068 would take you about thirty-one thousand, two hundred eighty-seven 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 491991232068 cubic inches would be around 657.9 feet tall.

Recreational maths with 491991232068

• 491991232068 backwards is 860232199194
• 491991232068 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 491991232068's digits is 54
• More coming soon!