20918012180436

Names of 20918012180436

• Cardinal: 20918012180436 can be written as Twenty trillion, nine hundred eighteen billion, twelve million, one hundred eighty thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 2.0918012180436 × 10¹³

Factors of 20918012180436

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 101

Divisors of 20918012180436

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 89 98 108 126 147 162 178 189 196 243 252 267 294 324 343 356 378 441 486 534 567 588 623 686 756 801 882 972 1029 1068 1134 1246 1323 1372 1602 1701 1764 1869 2058 2268 2403 2492 2646 3087 3204 3402 3738 3969 4116 4361 4806 5292 5607 6174 6804 7209 7476 7921 7938 8722 9261 9612 11214 11907 12348 13083 14418 15842 15876 16821 17444 18522 21627 22428 23763 23814 26166 27783 28836 30527 31684 33642 37044 39249 43254 47526 47628 50463 52332 55447 55566 61054 67284 71289 78498 83349 86508 91581 95052 100926 110894 111132 117747 122108 142578 151389 156996 166341 166698 183162 201852 213867 221788 235494 274743 285156 302778 332682 333396 353241 366324 388129 427734 470988 499023 549486 605556 641601 665364 704969 706482 776258 824229 855468 998046 1059723 1098972 1164387 1283202 1409938 1412964 1497069 1552516 1648458 1924803 1996092 2114907 2119446 2328774 2472687 2566404 2716903 2819876 2994138 3296916 3493161 3849606 4229814 4238892 4491207 4657548 4934783 4945374 5433806 5988276 6344721 6986322 7418061 7699212 8150709 8459628 8982414 9869566 9890748 10479483 10867612 12689442 13473621 13972644 14804349 14836122 16301418 17964828 19034163 19739132 20958966 24452127 25378884 26947242 29608698 29672244 31438449 32602836 34543481 38068326 41917932 44413047 48904254 53894484 57102489 59217396 62742241 62876898 69086962 73356381 76136652 88826094 94315347 97808508 103630443 114204978 125484482 125753796 133239141 138173924 146712762 171307467 177652188 188226723 188630694 207260886 220069143 228409956 241804367 250968964 266478282 293425524 310891329 342614934 376453446 377261388 399717423 414521772 439195687 440138286 483608734 532956564 564680169 621782658 660207429 685229868 725413101 752906892 799434846 878391374 880276572 932673987 967217468 1129360338 1199152269 1243565316 1317587061 1320414858 1450826202 1598869692 1694040507 1756782748 1865347974 2176239303 2258720676 2398304538 2635174122 2640829716 2798021961 2901652404 3074369809 3388081014 3730695948 3952761183 4352478606 4796609076 5082121521 5270348244 5596043922 6148739618 6528717909 6776162028 7905522366 8394065883 8704957212 9223109427 10164243042 11192087844 11858283549 12297479236 13057435818 15246364563 15811044732 16788131766 18446218854 19586153727 20328486084 21520588663 23716567098 26114871636 27669328281 30492729126 33576263532 35574850647 36892437708 39172307454 43041177326 47433134196 55338656562 58758461181 60985458252 64561765989 71149701294 78344614908 83007984843 86082354652 106724551941 110677313124 117516922362 129123531978 142299402588 166015969686 193685297967 213449103882 235033844724 249023954529 258247063956 332031939372 387370595934 426898207764 498047909058 581055893901 747071863587 774741191868 996095818116 1162111787802 1494143727174 1743167681703 2324223575604 2988287454348 3486335363406 5229503045109 6972670726812 10459006090218 20918012180436
• Sum of all divisors σ(n): 64673561243200
• Sum of proper divisors (its aliquot sum) s(n): 43755549062764
• 20918012180436 is an abundant number, because the sum of its proper divisors (43755549062764) is greater than itself. Its abundance is 22837536882328

Bases of 20918012180436

• Binary: 100110000011001011010101011110111011111010100₂
• Hexadecimal: 0x13065AAF77D4
• Base-36: 7EXLOD590

Squares and roots of 20918012180436

• 20918012180436 squared (20918012180436²) is 437563233580868859021150096
• 20918012180436 cubed (20918012180436³) is 9152953049755577377828379408269390721856
• The square root of 20918012180436 is 4573621.3420478963
• The cube root of 20918012180436 is 27553.2904637057

Scales and comparisons

• 20,918,012,180,436 seconds is equal to 665,128 years, 4 weeks, 2 days, 11 hours, 36 seconds.
• To count from 1 to 20,918,012,180,436 would take you about one million, six hundred sixty-two thousand, eight hundred twenty 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 20918012180436 cubic inches would be around 2296.1 feet tall.

Recreational maths with 20918012180436

• 20918012180436 backwards is 63408121081902
• The number of decimal digits it has is: 14
• The sum of 20918012180436's digits is 45
• More coming soon!