20989425716388

Names of 20989425716388

• Cardinal: 20989425716388 can be written as Twenty trillion, nine hundred eighty-nine billion, four hundred twenty-five million, seven hundred sixteen thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 2.0989425716388 × 10¹³

Factors of 20989425716388

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 41

Divisors of 20989425716388

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 19 27 34 36 38 51 54 57 68 76 81 102 108 114 153 162 171 204 228 243 306 323 324 342 361 459 486 513 612 646 684 722 729 918 969 972 1026 1083 1292 1377 1444 1458 1539 1836 1938 2052 2166 2187 2754 2907 2916 3078 3249 3876 4131 4332 4374 4617 5508 5814 6137 6156 6498 6561 6859 8262 8721 8748 9234 9747 11628 12274 12393 12996 13122 13718 13851 16524 17442 18411 18468 19494 20577 24548 24786 26163 26244 27436 27702 29241 34884 36822 37179 38988 41154 41553 49572 52326 55233 55404 58482 61731 73644 74358 78489 82308 83106 87723 104652 110466 111537 116603 116964 123462 124659 130321 148716 156978 165699 166212 175446 185193 220932 223074 233206 235467 246924 249318 260642 263169 313956 331398 349809 350892 370386 390963 446148 466412 470934 497097 498636 521284 526338 555579 662796 699618 706401 740772 781926 789507 941868 994194 1049427 1052676 1111158 1172889 1399236 1412802 1491291 1563852 1579014 1666737 1988388 2098854 2119203 2215457 2222316 2345778 2368521 2476099 2825604 2982582 3148281 3158028 3333474 3518667 4197708 4238406 4430914 4473873 4691556 4737042 4952198 5000211 5965164 6296562 6646371 6666948 7037334 7428297 8476812 8861828 8947746 9444843 9474084 9904396 10000422 10556001 12593124 13292742 13421619 14074668 14856594 15000633 17895492 18889686 19939113 20000844 21112002 22284891 26585484 26843238 28334529 29713188 30001266 31668003 37779372 39878226 40264857 42093683 42224004 44569782 45001899 47045881 53686476 56669058 59817339 60002532 63336006 66854673 79756452 80529714 84187366 85003587 89139564 90003798 94091762 95004009 113338116 119634678 126281049 126672012 133709346 141137643 161059428 168374732 170007174 179452017 180007596 188183524 190008018 200564019 239269356 252562098 255010761 267418692 282275286 285012027 340014348 358904034 378843147 380016036 401128038 423412929 505124196 510021522 538356051 564550572 570024054 601692057 717808068 757686294 765032283 799779977 802256076 846825858 855036081 1020043044 1076712102 1136529441 1140048108 1203384114 1270238787 1515372588 1530064566 1599559954 1615068153 1693651716 1710072162 1805076171 2153424204 2273058882 2399339931 2406768228 2540477574 3060129132 3199119908 3230136306 3409588323 3420144324 3610152342 3810716361 4546117764 4798679862 4845204459 5080955148 5415228513 6460272612 6819176646 7198019793 7220304684 7621432722 9597359724 9690408918 10228764969 10830457026 11432149083 13638353292 14396039586 14535613377 15242865444 16245685539 19380817836 20457529938 21594059379 21660914052 22864298166 28792079172 29071226754 30686294907 32491371078 34296447249 40915059876 43188118758 45728596332 58142453508 61372589814 64782178137 64982742156 68592894498 86376237516 92058884721 102889341747 122745179628 129564356274 137185788996 184117769442 194346534411 205778683494 259128712548 276176654163 308668025241 368235538884 388693068822 411557366988 552353308326 583039603233 617336050482 777386137644 1104706616652 1166079206466 1234672100964 1749118809699 2332158412932 3498237619398 5247356429097 6996475238796 10494712858194 20989425716388
• Sum of all divisors σ(n): 61576142415606
• Sum of proper divisors (its aliquot sum) s(n): 40586716699218
• 20989425716388 is an abundant number, because the sum of its proper divisors (40586716699218) is greater than itself. Its abundance is 19597290982830

Bases of 20989425716388

• Binary: 100110001011011111011010000111000110010100100₂
• Hexadecimal: 0x1316FB438CA4
• Base-36: 7FUEQ5290

Squares and roots of 20989425716388

• 20989425716388 squared (20989425716388²) is 440555991903769907011766544
• 20989425716388 cubed (20989425716388³) is 9247017265973811608438364137142610923072
• The square root of 20989425716388 is 4581421.8007500685
• The cube root of 20989425716388 is 27584.6102487717
• Being both a perfect square and a perfect cube, 20989425716388 is also a perfect sixth number.

Scales and comparisons

• 20,989,425,716,388 seconds is equal to 667,398 years, 42 weeks, 2 days, 19 minutes, 48 seconds.
• To count from 1 to 20,989,425,716,388 would take you about one million, six hundred sixty-eight thousand, four 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 20989425716388 cubic inches would be around 2298.7 feet tall.

Recreational maths with 20989425716388

• 20989425716388 backwards is 88361752498902
• The number of decimal digits it has is: 14
• The sum of 20989425716388's digits is 72
• More coming soon!