420785442

Names of 420785442

• Cardinal: 420785442 can be written as Four hundred twenty million, seven hundred eighty-five thousand, four hundred forty-two.

Scientific notation

• Scientific notation: 4.20785442 × 10⁸

Factors of 420785442

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 163

Divisors of 420785442

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 27 33 42 49 54 61 63 66 77 79 81 98 99 122 126 147 154 158 162 183 189 198 231 237 294 297 366 378 427 441 462 474 539 549 553 567 594 671 693 711 854 869 882 891 1078 1098 1106 1134 1281 1323 1342 1386 1422 1617 1647 1659 1738 1782 2013 2079 2133 2562 2607 2646 2989 3234 3294 3318 3843 3871 3969 4026 4158 4266 4697 4819 4851 4941 4977 5214 5978 6039 6083 6237 6399 7686 7742 7821 7938 8967 9394 9638 9702 9882 9954 11529 11613 12078 12166 12474 12798 14091 14457 14553 14931 15642 17934 18117 18249 23058 23226 23463 26901 28182 28914 29106 29862 32879 33733 34587 34839 36234 36498 42273 42581 43371 43659 44793 46926 53009 53802 54351 54747 65758 67466 69174 69678 70389 80703 84546 85162 86742 87318 89586 98637 101199 104517 106018 108702 109494 126819 127743 130113 140778 159027 161406 164241 197274 202398 209034 236131 242109 253638 255486 260226 295911 303597 313551 318054 328482 371063 380457 383229 390339 472262 477081 484218 492723 591822 607194 627102 708393 742126 760914 766458 780678 887733 910791 954162 985446 1113189 1149687 1416786 1431243 1775466 1821582 2125179 2226378 2299374 2597441 2663199 2732373 2862486 3339567 3449061 4250358 4293729 5194882 5326398 5464746 6375537 6679134 6898122 7792323 8587458 10018701 12751074 15584646 19126611 20037402 23376969 30056103 38253222 46753938 60112206 70130907 140261814 210392721 420785442
• Sum of all divisors σ(n): 1231528320
• Sum of proper divisors (its aliquot sum) s(n): 810742878
• 420785442 is an abundant number, because the sum of its proper divisors (810742878) is greater than itself. Its abundance is 389957436

Bases of 420785442

• Binary: 11001000101001010110100100010₂
• Hexadecimal: 0x1914AD22
• Base-36: 6YIW4I

Squares and roots of 420785442

• 420785442 squared (420785442²) is 177060388199135364
• 420785442 cubed (420785442³) is 74504433709064758158570888
• The square root of 420785442 is 20513.0554038155
• The cube root of 420785442 is 749.3537793585

Scales and comparisons

• 420,785,442 seconds is equal to 13 years, 19 weeks, 5 days, 4 hours, 50 minutes, 42 seconds.
• To count from 1 to 420,785,442 would take you about twenty 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 420785442 cubic inches would be around 62.4 feet tall.

Recreational maths with 420785442

• 420785442 backwards is 244587024
• The number of decimal digits it has is: 9
• The sum of 420785442's digits is 36
• More coming soon!