642091804424

Names of 642091804424

• Cardinal: 642091804424 can be written as Six hundred forty-two billion, ninety-one million, eight hundred four thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 6.42091804424 × 10¹¹

Factors of 642091804424

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6858

Divisors of 642091804424

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 14 19 28 37 38 49 56 74 76 98 133 148 152 196 259 266 296 343 392 518 532 686 703 931 1036 1064 1372 1406 1813 1862 2072 2401 2744 2812 3626 3724 4802 4921 5624 6517 6793 7252 7448 9604 9842 12691 13034 13586 14504 16807 19208 19684 25382 26068 27172 33614 34447 39368 45619 47551 50764 52136 54344 67228 68894 88837 91238 95102 101528 129067 134456 137788 177674 182476 190204 241129 251341 258134 275576 319333 332857 355348 364952 380408 482258 502682 516268 621859 638666 665714 710696 903469 964516 1005364 1032536 1243718 1277332 1331428 1687903 1759387 1806938 1929032 2010728 2329999 2487436 2554664 2662856 3375806 3518774 3613876 4659998 4775479 4974872 6324283 6751612 7037548 7227752 9319996 9550958 11815321 12315709 12648566 13503224 14075096 16309993 18639992 19101916 23630642 24631418 25297132 32619986 33428353 38203832 44269981 47261284 49262836 50594264 65239972 66856706 86209963 88539962 94522568 98525672 114169951 130479944 133713412 172419926 177079924 228339902 233998471 267426824 309889867 344839852 354159848 456679804 467996942 603469741 619779734 689679704 913359608 935993884 1206939482 1239559468 1637989297 1871987768 2169229069 2413878964 2479118936 3275978594 4224288187 4338458138 4827757928 6551957188 8448576374 8676916276 11465925079 13103914376 16897152748 17353832552 22931850158 33794305496 45863700316 80261475553 91727400632 160522951106 321045902212 642091804424
• Sum of all divisors σ(n): 1518670972800
• Sum of proper divisors (its aliquot sum) s(n): 876579168376
• 642091804424 is an abundant number, because the sum of its proper divisors (876579168376) is greater than itself. Its abundance is 234487363952

Bases of 642091804424

• Binary: 1001010101111111101001110110011100001000₂
• Hexadecimal: 0x957FA76708
• Base-36: 86Z0VR48

Squares and roots of 642091804424

• 642091804424 squared (642091804424²) is 412281885308468265971776
• 642091804424 cubed (642091804424³) is 264722819669043004745360009695937024
• The square root of 642091804424 is 801306.3112343493
• The cube root of 642091804424 is 8627.1174163643

Scales and comparisons

• 642,091,804,424 seconds is equal to 20,416 years, 27 weeks, 5 days, 2 hours, 33 minutes, 44 seconds.
• To count from 1 to 642,091,804,424 would take you about forty thousand, eight hundred thirty-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 642091804424 cubic inches would be around 718.9 feet tall.

Recreational maths with 642091804424

• 642091804424 backwards is 424408190246
• The number of decimal digits it has is: 12
• The sum of 642091804424's digits is 44
• More coming soon!