421685678916

Names of 421685678916

• Cardinal: 421685678916 can be written as Four hundred twenty-one billion, six hundred eighty-five million, six hundred seventy-eight thousand, nine hundred sixteen.

Scientific notation

• Scientific notation: 4.21685678916 × 10¹¹

Factors of 421685678916

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 115

Divisors of 421685678916

• Number of divisors d(n): 204
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 31 36 54 62 79 81 93 108 124 158 162 186 237 243 279 316 324 372 474 486 558 711 729 837 948 972 1116 1422 1458 1674 2133 2187 2449 2511 2844 2916 3348 4266 4374 4898 5022 6399 6561 7347 7533 8532 8748 9796 10044 12798 13122 14694 15066 19197 19683 22041 22599 25596 26244 29388 30132 38394 39366 44082 45198 57591 59049 66123 67797 76788 78732 88164 90396 115182 118098 132246 135594 172773 177147 198369 203391 230364 236196 264492 271188 345546 354294 396738 406782 518319 531441 595107 610173 691092 708588 793476 813564 1036638 1062882 1190214 1220346 1554957 1594323 1785321 1830519 2073276 2125764 2380428 2440692 3109914 3188646 3570642 3661038 4664871 4782969 5355963 5491557 6219828 6377292 7141284 7322076 9329742 9565938 10711926 10983114 13994613 14348907 16067889 16474671 18659484 19131876 21423852 21966228 27989226 28697814 32135778 32949342 41983839 43046721 48203667 49424013 55978452 57395628 64271556 65898684 83967678 86093442 96407334 98848026 125951517 144611001 148272039 167935356 172186884 192814668 197696052 251903034 289222002 296544078 377854551 433833003 444816117 503806068 578444004 593088156 755709102 867666006 889632234 1133563653 1301499009 1334448351 1511418204 1735332012 1779264468 2267127306 2602998018 2668896702 3400690959 3904497027 4534254612 5205996036 5337793404 6801381918 7808994054 11713491081 13602763836 15617988108 23426982162 35140473243 46853964324 70280946486 105421419729 140561892972 210842839458 421685678916
• Sum of all divisors σ(n): 1157095851520
• Sum of proper divisors (its aliquot sum) s(n): 735410172604
• 421685678916 is an abundant number, because the sum of its proper divisors (735410172604) is greater than itself. Its abundance is 313724493688

Bases of 421685678916

• Binary: 110001000101110011011001101001101000100₂
• Hexadecimal: 0x622E6CD344
• Base-36: 5DPWRK90

Squares and roots of 421685678916

• 421685678916 squared (421685678916²) is 177818811802847846935056
• 421685678916 cubed (421685678916³) is 74983646379120328277057939120479296
• The square root of 421685678916 is 649373.2970456977
• The cube root of 421685678916 is 7498.8779294161

Scales and comparisons

• 421,685,678,916 seconds is equal to 13,408 years, 15 weeks, 4 days, 6 hours, 48 minutes, 36 seconds.
• To count from 1 to 421,685,678,916 would take you about twenty-six thousand, eight hundred sixteen 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 421685678916 cubic inches would be around 624.9 feet tall.

Recreational maths with 421685678916

• 421685678916 backwards is 619876586124
• The number of decimal digits it has is: 12
• The sum of 421685678916's digits is 63
• More coming soon!