18049909765440

Names of 18049909765440

• Cardinal: 18049909765440 can be written as Eighteen trillion, forty-nine billion, nine hundred nine million, seven hundred sixty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.804990976544 × 10¹³

Factors of 18049909765440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2685998494

Divisors of 18049909765440

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1680 2240 3360 6720 2685998477 5371996954 8057995431 10743993908 13429992385 16115990862 18801989339 21487987816 26859984770 32231981724 37603978678 40289977155 42975975632 53719969540 56405968017 64463963448 75207957356 80579954310 85951951264 94009946695 107439939080 112811936034 128927926896 150415914712 161159908620 171903902528 188019893390 214879878160 225623872068 257855853792 282029840085 300831829424 322319817240 376039786780 429759756320 451247744136 515711707584 564059680170 601663658848 644639634480 752079573560 859519512640 902495488272 1128119360340 1203327317696 1289279268960 1504159147120 1804990976544 2256238720680 2578558537920 3008318294240 3609981953088 4512477441360 6016636588480 9024954882720 18049909765440
• Sum of all divisors σ(n): 65495386887552
• Sum of proper divisors (its aliquot sum) s(n): 47445477122112
• 18049909765440 is an abundant number, because the sum of its proper divisors (47445477122112) is greater than itself. Its abundance is 29395567356672

Bases of 18049909765440

• Binary: 100000110101010010010011101011011010101000000₂
• Hexadecimal: 0x106A9275B540
• Base-36: 6EC0I8MDC

Squares and roots of 18049909765440

• 18049909765440 squared (18049909765440²) is 325799242540526275818393600
• 18049909765440 cubed (18049909765440³) is 5880646929505200300851337568613597184000
• The square root of 18049909765440 is 4248518.5377305347
• The cube root of 18049909765440 is 26231.6139200631

Scales and comparisons

• 18,049,909,765,440 seconds is equal to 573,931 years, 15 weeks, 3 days, 15 hours, 44 minutes.
• To count from 1 to 18,049,909,765,440 would take you about one million, four hundred thirty-four thousand, eight hundred twenty-eight 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 18049909765440 cubic inches would be around 2186 feet tall.

Recreational maths with 18049909765440

• 18049909765440 backwards is 04456790994081
• The number of decimal digits it has is: 14
• The sum of 18049909765440's digits is 66
• More coming soon!