40105784988

Names of 40105784988

• Cardinal: 40105784988 can be written as Forty billion, one hundred five million, seven hundred eighty-four thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 4.0105784988 × 10¹⁰

Factors of 40105784988

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1578

Divisors of 40105784988

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 311 324 619 622 643 933 1238 1244 1286 1857 1866 1929 2476 2572 2799 3714 3732 3858 5571 5598 5787 7428 7716 8397 11142 11196 11574 16713 16794 17361 22284 23148 25191 33426 33588 34722 50139 50382 52083 66852 69444 100278 100764 104166 192509 199973 200556 208332 385018 398017 399946 577527 599919 770036 796034 799892 1155054 1194051 1199838 1592068 1732581 1799757 2310108 2388102 2399676 3465162 3582153 3599514 4776204 5197743 5399271 6930324 7164306 7199028 10395486 10746459 10798542 14328612 15593229 16197813 20790972 21492918 21597084 31186458 32239377 32395626 42985836 62372916 64478754 64791252 123783287 128957508 247566574 371349861 495133148 742699722 1114049583 1485399444 2228099166 3342148749 4456198332 6684297498 10026446247 13368594996 20052892494 40105784988
• Sum of all divisors σ(n): 105515329920
• Sum of proper divisors (its aliquot sum) s(n): 65409544932
• 40105784988 is an abundant number, because the sum of its proper divisors (65409544932) is greater than itself. Its abundance is 25303759944

Bases of 40105784988

• Binary: 100101010110011111011011011010011100₂
• Hexadecimal: 0x9567DB69C
• Base-36: IF9Y5R0

Squares and roots of 40105784988

• 40105784988 squared (40105784988²) is 1608473989503686160144
• 40105784988 cubed (40105784988³) is 64509111981825405972166599118272
• The square root of 40105784988 is 200264.2878498311
• The cube root of 40105784988 is 3422.9640693035

Scales and comparisons

• 40,105,784,988 seconds is equal to 1,275 years, 12 weeks, 3 days, 7 hours, 49 minutes, 48 seconds.
• To count from 1 to 40,105,784,988 would take you about two thousand, five hundred fifty 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 40105784988 cubic inches would be around 285.2 feet tall.

Recreational maths with 40105784988

• 40105784988 backwards is 88948750104
• 40105784988 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 40105784988's digits is 54
• More coming soon!