71243561907

Names of 71243561907

• Cardinal: 71243561907 can be written as Seventy-one billion, two hundred forty-three million, five hundred sixty-one thousand, nine hundred seven.

Scientific notation

• Scientific notation: 7.1243561907 × 10¹⁰

Factors of 71243561907

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2646

Divisors of 71243561907

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 7 9 19 21 27 49 57 63 81 133 147 171 189 361 399 441 513 567 931 1083 1197 1323 1539 2527 2617 2793 3249 3591 3969 6859 7581 7851 8379 9747 10773 17689 18319 20577 22743 23553 25137 29241 48013 49723 53067 54957 61731 68229 70659 75411 128233 144039 149169 159201 164871 185193 204687 211977 336091 348061 384699 432117 447507 477603 494613 555579 944737 1008273 1044183 1154097 1296351 1342521 1432809 1483839 2436427 2834211 3024819 3132549 3462291 3889053 4027563 6613159 7309281 8502633 9074457 9397647 10386873 17950003 19839477 21927843 25507899 27223371 28192941 46292113 53850009 59518431 65783529 76523697 125650021 138876339 161550027 178555293 197350587 376950063 416629017 484650081 535665879 879550147 1130850189 1249887051 1453950243 2638650441 3392550567 3749661153 7915951323 10177651701 23747853969 71243561907
• Sum of all divisors σ(n): 130727945040
• Sum of proper divisors (its aliquot sum) s(n): 59484383133
• 71243561907 is a deficient number, because the sum of its proper divisors (59484383133) is less than itself. Its deficiency is 11759178774

Bases of 71243561907

• Binary: 1000010010110011100100111101110110011₂
• Hexadecimal: 0x1096727BB3
• Base-36: WQ8KS6R

Squares and roots of 71243561907

• 71243561907 squared (71243561907²) is 5075645113196541476649
• 71243561907 cubed (71243561907³) is 361607036839979825349936226409643
• The square root of 71243561907 is 266914.8963752305
• The cube root of 71243561907 is 4145.5473006233

Scales and comparisons

• 71,243,561,907 seconds is equal to 2,265 years, 16 weeks, 6 days, 6 hours, 18 minutes, 27 seconds.
• To count from 1 to 71,243,561,907 would take you about four thousand, five hundred thirty 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 71243561907 cubic inches would be around 345.5 feet tall.

Recreational maths with 71243561907

• 71243561907 backwards is 70916534217
• The number of decimal digits it has is: 11
• The sum of 71243561907's digits is 45
• More coming soon!