21729047042997

Names of 21729047042997

• Cardinal: 21729047042997 can be written as Twenty-one trillion, seven hundred twenty-nine billion, forty-seven million, forty-two thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 2.1729047042997 × 10¹³

Factors of 21729047042997

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 88

Divisors of 21729047042997

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 7 9 21 27 31 47 49 63 81 93 141 147 189 217 243 279 329 343 423 441 567 651 729 837 987 1029 1269 1323 1457 1519 1701 1953 2187 2209 2303 2511 2961 3087 3807 3969 4371 4557 5103 5859 6561 6627 6909 7533 8883 9261 10199 10633 11421 11907 13113 13671 15309 15463 16121 17577 19683 19881 20727 22599 26649 27783 30597 31899 34263 35721 39339 41013 45927 46389 48363 52731 59643 62181 67797 68479 71393 79947 83349 91791 95697 102789 103823 107163 108241 118017 123039 137781 139167 145089 158193 178929 186543 203391 205437 214179 239841 250047 275373 287091 308367 311469 321489 324723 354051 369117 417501 435267 474579 479353 499751 536787 559629 610173 616311 642537 719523 726761 750141 757687 826119 861273 925101 934407 964467 974169 1062153 1107351 1252503 1305801 1423737 1438059 1499253 1610361 1678887 1848933 1927611 2158569 2180283 2250423 2273061 2478357 2583819 2803221 2922507 3186459 3218513 3322053 3355471 3757509 3917403 4271211 4314177 4497759 4831083 5036661 5087327 5546799 5782833 6475707 6540849 6751269 6819183 7435071 7751457 8409663 8767521 9559377 9655539 9966159 10066413 11272527 11752209 12942531 13493277 14493249 15109983 15261981 16640397 17348499 19622547 20457549 22305213 22529591 23254371 23488297 25228989 26302563 28678131 28966617 29898477 30199239 33817581 35256627 35611289 38827593 40479831 43479747 45329949 45785943 49921191 52045497 58867641 61372647 66915639 67588773 69763113 70464891 75686967 78907689 86899851 90597717 101452743 105769881 106833867 116482779 121439493 137357829 149763573 156136491 157707137 176602923 184117941 200746917 202766319 209289339 211394673 227060901 236723067 260699553 271793151 304358229 317309643 320501601 349448337 364318479 412073487 449290719 468409473 473121411 529808769 552353823 608298957 634184019 681182703 710169201 782098659 815379453 961504803 1048345011 1092955437 1103949959 1236220461 1347872157 1405228419 1419364233 1589426307 1657061469 1824896871 1902552057 2043548109 2130507603 2346295977 2446138359 2884514409 3145035033 3278866311 3311849877 3708661383 4258092699 4768278921 4971184407 5474690613 5707656171 7038887931 7338415077 8653543227 9435105099 9836598933 9935549631 11125984149 12774278097 14304836763 14913553221 16424071839 17122968513 21116663793 22015245231 25960629681 29806648893 33377952447 38322834291 49272215517 51368905539 63349991379 66045735693 77881889043 89419946679 100133857341 114968502873 147816646551 154106716617 233645667129 268259840037 344905508619 443449939653 462320149851 700937001387 804779520111 1034716525857 2414338560333 3104149577571 7243015680999 21729047042997
• Sum of all divisors σ(n): 40088395776000
• Sum of proper divisors (its aliquot sum) s(n): 18359348733003
• 21729047042997 is a deficient number, because the sum of its proper divisors (18359348733003) is less than itself. Its deficiency is 3369698309994

Bases of 21729047042997

• Binary: 100111100001100110000001000010101101110110101₂
• Hexadecimal: 0x13C330215BB5
• Base-36: 7PA6PKYB9

Squares and roots of 21729047042997

• 21729047042997 squared (21729047042997²) is 472151485396776669566742009
• 21729047042997 cubed (21729047042997³) is 10259401837607471319124413211796629160973
• The square root of 21729047042997 is 4661442.5924811087
• The cube root of 21729047042997 is 27904.8843351927

Scales and comparisons

• 21,729,047,042,997 seconds is equal to 690,916 years, 25 weeks, 1 day, 49 minutes, 57 seconds.
• To count from 1 to 21,729,047,042,997 would take you about one million, seven hundred twenty-seven thousand, two hundred ninety-one 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 21729047042997 cubic inches would be around 2325.4 feet tall.

Recreational maths with 21729047042997

• 21729047042997 backwards is 79924074092712
• 21729047042997 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21729047042997's digits is 63
• More coming soon!