18387746092940

Names of 18387746092940

• Cardinal: 18387746092940 can be written as Eighteen trillion, three hundred eighty-seven billion, seven hundred forty-six million, ninety-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.838774609294 × 10¹³

Factors of 18387746092940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 797346

Divisors of 18387746092940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 37 61 70 73 74 122 140 146 148 185 244 259 292 305 365 370 427 511 518 610 730 740 854 1022 1036 1220 1295 1460 1708 2044 2135 2257 2555 2590 2701 4270 4453 4514 5110 5180 5402 8540 8906 9028 10220 10804 11285 13505 15799 17812 18907 22265 22570 27010 31171 31598 37814 44530 45140 54020 62342 63196 75628 78995 89060 94535 124684 155855 157990 164761 189070 311710 315980 329522 378140 623420 659044 797161 823805 1153327 1594322 1647610 2306654 3188644 3295220 3985805 4613308 5580127 5766635 7971610 11160254 11533270 15943220 22320508 23066540 27900635 29494957 48626821 55801270 58192753 58989914 97253642 111602540 116385506 117979828 147474785 194507284 206464699 232771012 243134105 290963765 294949570 340387747 407349271 412929398 486268210 581927530 589899140 680775494 814698542 825858796 972536420 1032323495 1163855060 1361550988 1629397084 1701938735 1799192377 2036746355 2064646990 2153131861 3403877470 3549757933 3598384754 4073492710 4129293980 4306263722 6807754940 7099515866 7196769508 8146985420 8612527444 8995961885 10765659305 12594346639 14199031732 15071923027 17748789665 17991923770 21531318610 24848305531 25188693278 30143846054 35497579330 35983847540 43062637220 49696611062 50377386556 60287692108 62971733195 70995158660 75359615135 99393222124 124241527655 125943466390 131341043521 150719230270 248483055310 251886932780 262682087042 301438460540 496966110620 525364174084 656705217605 919387304647 1313410435210 1838774609294 2626820870420 3677549218588 4596936523235 9193873046470 18387746092940
• Sum of all divisors σ(n): 46697418340608
• Sum of proper divisors (its aliquot sum) s(n): 28309672247668
• 18387746092940 is an abundant number, because the sum of its proper divisors (28309672247668) is greater than itself. Its abundance is 9921926154728

Bases of 18387746092940

• Binary: 100001011100100111011000100101111011110001100₂
• Hexadecimal: 0x10B93B12F78C
• Base-36: 6IN7P9KZW

Squares and roots of 18387746092940

• 18387746092940 squared (18387746092940²) is 338109206378430235117843600
• 18387746092940 cubed (18387746092940³) is 6217066238572024682878494236377984184000
• The square root of 18387746092940 is 4288093.5266082993
• The cube root of 18387746092940 is 26394.2605430119

Scales and comparisons

• 18,387,746,092,940 seconds is equal to 584,673 years, 23 weeks, 2 days, 8 hours, 2 minutes, 20 seconds.
• To count from 1 to 18,387,746,092,940 would take you about one million, four hundred sixty-one thousand, six hundred eighty-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 18387746092940 cubic inches would be around 2199.5 feet tall.

Recreational maths with 18387746092940

• 18387746092940 backwards is 04929064778381
• The number of decimal digits it has is: 14
• The sum of 18387746092940's digits is 68
• More coming soon!