40721020683

Names of 40721020683

• Cardinal: 40721020683 can be written as Forty billion, seven hundred twenty-one million, twenty thousand, six hundred eighty-three.

Scientific notation

• Scientific notation: 4.0721020683 × 10¹⁰

Factors of 40721020683

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 82

Divisors of 40721020683

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 21 29 43 87 129 203 301 609 841 903 1247 1849 2523 3741 5547 5887 8729 12943 17661 24389 26187 36163 38829 53621 73167 79507 108489 160863 170723 238521 253141 375347 512169 556549 759423 1048727 1126041 1555009 1669647 2305703 3146181 4665027 6917109 7341089 10885063 16139921 22023267 32655189 45095261 48419763 66865387 135285783 200596161 315666827 468057709 947000481 1404173127 1939096223 5817288669 13573673561 40721020683
• Sum of all divisors σ(n): 65797248000
• Sum of proper divisors (its aliquot sum) s(n): 25076227317
• 40721020683 is a deficient number, because the sum of its proper divisors (25076227317) is less than itself. Its deficiency is 15644793366

Bases of 40721020683

• Binary: 100101111011001010010111011100001011₂
• Hexadecimal: 0x97B29770B
• Base-36: IPG8SNF

Squares and roots of 40721020683

• 40721020683 squared (40721020683²) is 1658201525465313786489
• 40721020683 cubed (40721020683³) is 67523658615055193898703614951987
• The square root of 40721020683 is 201794.5011218095
• The cube root of 40721020683 is 3440.3784479473

Scales and comparisons

• 40,721,020,683 seconds is equal to 1,294 years, 41 weeks, 5 days, 2 hours, 38 minutes, 3 seconds.
• To count from 1 to 40,721,020,683 would take you about two thousand, five hundred eighty-nine 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 40721020683 cubic inches would be around 286.7 feet tall.

Recreational maths with 40721020683

• 40721020683 backwards is 38602012704
• The number of decimal digits it has is: 11
• The sum of 40721020683's digits is 33
• More coming soon!