21188801384388

Names of 21188801384388

• Cardinal: 21188801384388 can be written as Twenty-one trillion, one hundred eighty-eight billion, eight hundred one million, three hundred eighty-four thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1188801384388 × 10¹³

Factors of 21188801384388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 23
• Sum of prime factors: 129

Divisors of 21188801384388

• Number of divisors d(n): 342
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 27 33 36 44 54 66 81 99 108 113 121 132 162 198 226 242 243 297 324 339 363 396 452 484 486 594 678 726 729 891 972 1017 1089 1188 1243 1356 1452 1458 1782 2034 2178 2187 2486 2673 2916 3051 3267 3564 3729 4068 4356 4374 4972 5346 6102 6534 6561 7458 8019 8748 9153 9801 10692 11187 12204 13068 13122 13673 14916 16038 18306 19602 19683 22374 24057 26244 27346 27459 29403 32076 33561 36612 39204 39366 41019 44748 48114 54692 54918 58806 59049 67122 72171 78732 82038 82377 88209 96228 100683 109836 117612 118098 123057 134244 144342 164076 164754 176418 177147 201366 216513 236196 246114 247131 264627 288684 302049 329508 352836 354294 369171 402732 433026 492228 494262 529254 531441 604098 649539 708588 738342 741393 793881 866052 906147 988524 1058508 1062882 1107513 1208196 1299078 1476684 1482786 1587762 1594323 1812294 1948617 2125764 2215026 2224179 2381643 2598156 2718441 2965572 3175524 3188646 3322539 3624588 3897234 4430052 4448358 4763286 4782969 5436882 5845851 6377292 6645078 6672537 7144929 7794468 8155323 8896716 9526572 9565938 9967617 10873764 11691702 13290156 13345074 14289858 14348907 16310646 17537553 19131876 19935234 20017611 21434787 23383404 24465969 26690148 28579716 28697814 29902851 32621292 35075106 39870468 40035222 42869574 43046721 48931938 52612659 57395628 59805702 60052833 64304361 70150212 73397907 80070444 85739148 86093442 89708553 97863876 105225318 119611404 120105666 128608722 129140163 146795814 157837977 172186884 179417106 180158499 192913083 210450636 220193721 240211332 257217444 258280326 269125659 293591628 315675954 358834212 360316998 385826166 387420489 440387442 473513931 516560652 538251318 540475497 578739249 631351908 660581163 720633996 771652332 774840978 807376977 880774884 947027862 1076502636 1080950994 1157478498 1321162326 1420541793 1549681956 1614753954 1621426491 1736217747 1894055724 1981743489 2161901988 2314956996 2422130931 2642324652 2841083586 3229507908 3242852982 3472435494 3963486978 4261625379 4844261862 4864279473 5208653241 5682167172 5945230467 6485705964 6944870988 7266392793 7926973956 8523250758 9688523724 9728558946 10417306482 11890460934 14532785586 14592838419 15625959723 17046501516 17835691401 19457117892 20834612964 21799178379 23780921868 29065571172 29185676838 31251919446 35671382802 43598356758 43778515257 46877879169 53507074203 58371353676 62503838892 65397535137 71342765604 87196713516 87557030514 93755758338 107014148406 130795070274 160521222609 175114061028 187511516676 196192605411 214028296812 261590140548 321042445218 392385210822 481563667827 588577816233 642084890436 784770421644 963127335654 1177155632466 1765733448699 1926254671308 2354311264932 3531466897398 5297200346097 7062933794796 10594400692194 21188801384388
• Sum of all divisors σ(n): 61677729216222
• Sum of proper divisors (its aliquot sum) s(n): 40488927831834
• 21188801384388 is an abundant number, because the sum of its proper divisors (40488927831834) is greater than itself. Its abundance is 19300126447446

Bases of 21188801384388

• Binary: 100110100010101100110111110101100111111000100₂
• Hexadecimal: 0x134566FACFC4
• Base-36: 7IE019K90

Squares and roots of 21188801384388

• 21188801384388 squared (21188801384388²) is 448965304107042825330134544
• 21188801384388 cubed (21188801384388³) is 9513036657205488439495957699041501099072
• The square root of 21188801384388 is 4603129.5207052343
• The cube root of 21188801384388 is 27671.6759591239

Scales and comparisons

• 21,188,801,384,388 seconds is equal to 673,738 years, 17 weeks, 5 days, 18 hours, 19 minutes, 48 seconds.
• To count from 1 to 21,188,801,384,388 would take you about one million, six hundred eighty-four thousand, three hundred forty-five 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 21188801384388 cubic inches would be around 2306 feet tall.

Recreational maths with 21188801384388

• 21188801384388 backwards is 88348310888112
• The number of decimal digits it has is: 14
• The sum of 21188801384388's digits is 63
• More coming soon!