18995992441838864

Names of 18995992441838864

• Cardinal: 18995992441838864 can be written as Eighteen quadrillion, nine hundred ninety-five trillion, nine hundred ninety-two billion, four hundred forty-one million, eight hundred thirty-eight thousand, eight hundred sixty-four.

Scientific notation

• Scientific notation: 1.8995992441838864 × 10¹⁶

Factors of 18995992441838864

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 8320

Divisors of 18995992441838864

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 16 19 38 76 151 152 302 304 359 361 604 718 722 1208 1436 1444 2416 2869 2872 2888 5738 5744 5776 6821 7789 11476 13642 15578 22952 27284 31156 45904 54209 54511 54568 62312 108418 109022 109136 124624 129599 147991 216836 218044 259198 295982 433672 436088 518396 591964 867344 872176 1029971 1036792 1176139 1183928 2059942 2073584 2352278 2367856 2796251 2811829 4119884 4704556 5592502 5623658 8239768 9409112 11185004 11247316 16479536 18818224 19569449 22346641 22370008 22494632 39138898 44693282 44740016 44989264 53128769 60668521 78277796 89386564 106257538 121337042 156555592 178773128 212515076 242674084 313111184 357546256 422233901 424586179 425030152 485348168 844467802 849172358 850060304 970696336 1009446611 1152701899 1688935604 1698344716 2018893222 2305403798 3377871208 3396689432 4037786444 4610807596 6755742416 6793378864 8022444119 8075572888 9160946671 9221615192 16044888238 16151145776 18321893342 18443230384 21779999039 21901336081 32089776476 36643786684 43559998078 43802672162 64179552952 73287573368 87119996156 87605344324 128359105904 146575146736 152426438261 174057986749 174239992312 175210688648 304852876522 348115973498 348479984624 350421377296 413819981741 609705753044 696231946996 827639963482 1219411506088 1392463893992 1655279926964 2438823012176 2784927787984 3288779854889 3307101748231 3310559853928 6577559709778 6614203496462 6621119707856 7862579653079 13155119419556 13228406992924 15725159306158 26310238839112 26456813985848 31450318612316 52620477678224 52913627971696 62486817242891 62900637224632 124973634485782 125801274449264 249947268971564 499894537943128 999789075886256 1187249527614929 2374499055229858 4748998110459716 9497996220919432 18995992441838864
• Sum of all divisors σ(n): 39214973592573120
• Sum of proper divisors (its aliquot sum) s(n): 20218981150734256
• 18995992441838864 is an abundant number, because the sum of its proper divisors (20218981150734256) is greater than itself. Its abundance is 1222988708895392

Bases of 18995992441838864

• Binary: 1000011011111001100000100100101101001101101110100010000₂
• Hexadecimal: 0x437CC125A6DD10
• Base-36: 571IMGDVOY8

Squares and roots of 18995992441838864

• 18995992441838864 squared (18995992441838864²) is 360847728850399246887757740810496
• 18995992441838864 cubed (18995992441838864³) is 6854660729896903882926300133716671238947991916544
• The square root of 18995992441838864 is 137825949.8129393047
• The cube root of 18995992441838864 is 266821.4025445613

Scales and comparisons

• 18,995,992,441,838,864 seconds is equal to 604,013,801 years, 9 weeks, 5 days, 9 hours, 27 minutes, 44 seconds.
• To count from 1 to 18,995,992,441,838,864 would take you about one billion, eight hundred twelve million, forty-one thousand, four hundred 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 18995992441838864 cubic inches would be around 22235.1 feet tall.

Recreational maths with 18995992441838864

• 18995992441838864 backwards is 46883814429959981
• The number of decimal digits it has is: 17
• The sum of 18995992441838864's digits is 98
• More coming soon!