21311315929449

Names of 21311315929449

• Cardinal: 21311315929449 can be written as Twenty-one trillion, three hundred eleven billion, three hundred fifteen million, nine hundred twenty-nine thousand, four hundred forty-nine.

Scientific notation

• Scientific notation: 2.1311315929449 × 10¹³

Factors of 21311315929449

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1145

Divisors of 21311315929449

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 13 21 27 39 61 63 91 117 169 183 189 273 351 427 507 549 793 819 1061 1183 1281 1521 1647 2197 2379 2457 3183 3549 3721 3843 4563 5551 6591 7137 7427 9549 10309 10647 11163 11529 13793 15379 16653 19773 21411 22281 26047 28561 28647 30927 31941 33489 41379 46137 48373 49959 59319 64721 66843 72163 78141 85683 92781 96551 100467 124137 134017 138411 145119 149877 179309 194163 199927 200529 216489 234423 257049 278343 289653 338611 372411 402051 415233 435357 453047 537927 582489 599781 628849 649467 703269 771147 841373 868959 938119 1015833 1206153 1255163 1306071 1359141 1613781 1742221 1747467 1799343 1886547 1948401 2331017 2524119 2606877 2814357 3047499 3618459 3765489 3947981 4077423 4401943 4841343 5226663 5398029 5659641 5889611 6993051 7572357 8175037 8443071 9142497 10937849 11296467 11843943 12195547 12232269 13205829 15679989 16317119 16978923 17668833 20979153 22717071 24525111 25329213 27635867 30303221 32813547 33889401 35531829 36586641 39617487 47039967 48951357 51323753 53006499 57225259 62937459 73575333 76564943 82907601 90909663 98440641 106275481 106595487 109759923 118852461 142192037 146854071 153971259 159019497 171675777 212122547 220725999 229694829 248722803 272728989 295321923 318826443 329279769 359266271 426576111 440562213 461913777 515027331 636367641 667208789 689084487 743928367 746168409 818186967 956479329 995344259 1077798813 1279728333 1385741331 1545081993 1848496481 1909102923 2001626367 2067253461 2231785101 2869437987 2986032777 3233396439 3839184999 4670461523 5545489443 5727308769 6004879101 6695355303 8673714257 8958098331 9700189317 12939475367 14011384569 16636468329 18014637303 20086065909 26021142771 26874294993 38818426101 42034153707 49909404987 60715999799 78063428313 112758285341 116455278303 126102461121 182147999397 234190284939 338274856023 349365834909 546443998191 789307997387 1014824568069 1639331994573 2367923992161 3044473704207 7103771976483 21311315929449
• Sum of all divisors σ(n): 39778205051520
• Sum of proper divisors (its aliquot sum) s(n): 18466889122071
• 21311315929449 is a deficient number, because the sum of its proper divisors (18466889122071) is less than itself. Its deficiency is 2844426807378

Bases of 21311315929449

• Binary: 100110110000111101101011010100110100101101001₂
• Hexadecimal: 0x1361ED6A6969
• Base-36: 7JYA79G89

Squares and roots of 21311315929449

• 21311315929449 squared (21311315929449²) is 454172186644786694745443601
• 21311315929449 cubed (21311315929449³) is 9679006955955727064339342040103124505849
• The square root of 21311315929449 is 4616418.0843429899
• The cube root of 21311315929449 is 27724.9064302301

Scales and comparisons

• 21,311,315,929,449 seconds is equal to 677,633 years, 48 weeks, 1 day, 4 hours, 24 minutes, 9 seconds.
• To count from 1 to 21,311,315,929,449 would take you about one million, six hundred ninety-four thousand and eighty-four 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 21311315929449 cubic inches would be around 2310.4 feet tall.

Recreational maths with 21311315929449

• 21311315929449 backwards is 94492951311312
• The number of decimal digits it has is: 14
• The sum of 21311315929449's digits is 54
• More coming soon!