18185389467808

Names of 18185389467808

• Cardinal: 18185389467808 can be written as Eighteen trillion, one hundred eighty-five billion, three hundred eighty-nine million, four hundred sixty-seven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8185389467808 × 10¹³

Factors of 18185389467808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2442

Divisors of 18185389467808

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 8 16 17 23 32 34 46 68 92 136 184 197 272 289 368 391 394 544 578 736 782 788 1156 1564 1576 2203 2312 3128 3152 3349 4406 4531 4624 6256 6304 6647 6698 8812 9062 9248 12512 13294 13396 17624 18124 26588 26792 35248 36248 37451 38809 50669 53176 53584 56933 70496 72496 74902 77027 77618 101338 106352 107168 113866 144992 149804 154054 155236 202676 212704 227732 299608 308108 310472 405352 433991 455464 599216 616216 620944 636667 659753 810704 861373 867982 892607 910928 1198432 1232432 1241888 1273334 1309459 1319506 1621408 1722746 1735964 1785214 1821856 2464864 2546668 2618918 2639012 3445492 3471928 3570428 5093336 5237836 5278024 6890984 6943856 7140856 7377847 9981793 10186672 10475672 10556048 11215801 13781968 13887712 14281712 14643341 14755694 15174319 19963586 20373344 20951344 21112096 22431602 27563936 28563424 29286682 29511388 30348638 39927172 41902688 44863204 58573364 59022776 60697276 79854344 85496227 89726408 117146728 118045552 121394552 125423399 159708688 169690481 170992454 179452816 234293456 236091104 242789104 250846798 257963423 319417376 339380962 341984908 358905632 468586912 485578208 501693596 515926846 678761924 683969816 1003387192 1031853692 1357523848 1367939632 1453435859 1966413221 2006774384 2063707384 2715047696 2735879264 2884738177 2906871718 3932826442 4013548768 4127414768 5430095392 5769476354 5813743436 7865652884 8254829536 11538952708 11627486872 15731305768 23077905416 23254973744 24708409603 31462611536 33429024757 46155810832 46509947488 49416819206 62925223072 66858049514 92311621664 98833638412 133716099028 197667276824 267432198056 395334553648 534864396112 568293420869 790669107296 1069728792224 1136586841738 2273173683476 4546347366952 9092694733904 18185389467808
• Sum of all divisors σ(n): 39906561334752
• Sum of proper divisors (its aliquot sum) s(n): 21721171866944
• 18185389467808 is an abundant number, because the sum of its proper divisors (21721171866944) is greater than itself. Its abundance is 3535782399136

Bases of 18185389467808

• Binary: 100001000101000011101101011011110100010100000₂
• Hexadecimal: 0x108A1DADE8A0
• Base-36: 6G293CTR4

Squares and roots of 18185389467808

• 18185389467808 squared (18185389467808²) is 330708390095862133468324864
• 18185389467808 cubed (18185389467808³) is 6014060874165030741456479763762213978112
• The square root of 18185389467808 is 4264433.0769526679
• The cube root of 18185389467808 is 26297.0804817775

Scales and comparisons

• 18,185,389,467,808 seconds is equal to 578,239 years, 6 weeks, 6 days, 18 hours, 23 minutes, 28 seconds.
• To count from 1 to 18,185,389,467,808 would take you about one million, four hundred forty-five thousand, five hundred ninety-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 18185389467808 cubic inches would be around 2191.4 feet tall.

Recreational maths with 18185389467808

• 18185389467808 backwards is 80876498358181
• The number of decimal digits it has is: 14
• The sum of 18185389467808's digits is 76
• More coming soon!