420905078390394

Names of 420905078390394

• Cardinal: 420905078390394 can be written as Four hundred twenty trillion, nine hundred five billion, seventy-eight million, three hundred ninety thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 4.20905078390394 × 10¹⁴

Factors of 420905078390394

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 3839

Divisors of 420905078390394

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 169 234 243 338 351 486 507 702 729 1014 1053 1458 1521 2106 2187 2197 3042 3159 3821 4374 4394 4563 6318 6561 6591 7642 9126 9477 11463 13122 13182 13689 18954 19773 22926 27378 28431 34389 39546 41067 49673 56862 59319 68778 82134 85293 99346 103167 118638 123201 149019 170586 177957 206334 246402 298038 309501 355914 369603 447057 533871 619002 645749 739206 894114 928503 1067742 1108809 1291498 1341171 1601613 1857006 1937247 2217618 2682342 2785509 3203226 3874494 4023513 4804839 5571018 5811741 8047026 8356527 8394737 9609678 11623482 12070539 14414517 14600041 16713054 16789474 17435223 24141078 25069581 25184211 28829034 29200082 34870446 36211617 43800123 50139162 50368422 52305669 72423234 75552633 87600246 104611338 108634851 131400369 151105266 156917007 189800533 217269702 226657899 262800738 313834014 325904553 379601066 394201107 453315798 470751021 569401599 651809106 679973697 788402214 941502042 1138803198 1182603321 1359947394 1412253063 1708204797 2039921091 2365206642 2467406929 2824506126 3416409594 3547809963 4079842182 4236759189 4934813858 5124614391 6119763273 7095619926 7402220787 8473518378 10249228782 10643429889 12239526546 14804441574 15373843173 18359289819 21286859778 22206662361 30747686346 31930289667 32076290077 36718579638 44413324722 46121529519 55077869457 63860579334 64152580154 66619987083 92243059038 95790869001 96228870231 110155738914 133239974166 138364588557 191581738002 192457740462 199859961249 276729177114 288686610693 399719922498 415093765671 577373221386 599579883747 830187531342 866059832079 1199159767494 1245281297013 1732119664158 1798739651241 2490562594026 2598179496237 3597479302482 5196358992474 5396218953723 7794538488711 10792437907446 15589076977422 16188656861169 23383615466133 32377313722338 46767230932266 70150846398399 140301692796798 210452539195197 420905078390394
• Sum of all divisors σ(n): 1026136636690620
• Sum of proper divisors (its aliquot sum) s(n): 605231558300226
• 420905078390394 is an abundant number, because the sum of its proper divisors (605231558300226) is greater than itself. Its abundance is 184326479909832

Bases of 420905078390394

• Binary: 1011111101100111110011001101011100111111001111010₂
• Hexadecimal: 0x17ECF99AE7E7A
• Base-36: 45754G85MI

Squares and roots of 420905078390394

• 420905078390394 squared (420905078390394²) is 177161085014823718193871475236
• 420905078390394 cubed (420905078390394³) is 74568000375891632885918583046761909111282984
• The square root of 420905078390394 is 20515971.3001942465
• The cube root of 420905078390394 is 74942.4790597057

Scales and comparisons

• 420,905,078,390,394 seconds is equal to 13,383,479 years, 28 weeks, 3 days, 10 hours, 39 minutes, 54 seconds.
• To count from 1 to 420,905,078,390,394 would take you about thirty-three million, four hundred fifty-eight thousand, six hundred ninety-eight 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 420905078390394 cubic inches would be around 6245.2 feet tall.

Recreational maths with 420905078390394

• 420905078390394 backwards is 493093870509024
• The number of decimal digits it has is: 15
• The sum of 420905078390394's digits is 63
• More coming soon!