40737998721

Names of 40737998721

• Cardinal: 40737998721 can be written as Forty billion, seven hundred thirty-seven million, nine hundred ninety-eight thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.0737998721 × 10¹⁰

Factors of 40737998721

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1076

Divisors of 40737998721

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 21 31 49 73 93 147 151 217 219 453 511 651 811 1057 1519 1533 2263 2433 3171 3577 4557 4681 5677 6789 7399 10731 11023 14043 15841 17031 22197 25141 32767 33069 39739 47523 59203 75423 77161 98301 110887 119217 122461 175987 177609 229369 231483 332661 341713 367383 414421 527961 540127 688107 857227 1025139 1231909 1243263 1620381 1835293 2391991 2571681 2900947 3695727 3796291 5505879 6000589 7175973 8702841 8939653 11388873 12847051 16743937 18001767 26574037 26818959 38541153 50231811 62577571 79722111 89929357 186018259 187732713 269788071 277129243 438042997 558054777 831387729 1314128991 1939904701 5819714103 13579332907 40737998721
• Sum of all divisors σ(n): 66637111296
• Sum of proper divisors (its aliquot sum) s(n): 25899112575
• 40737998721 is a deficient number, because the sum of its proper divisors (25899112575) is less than itself. Its deficiency is 14838886146

Bases of 40737998721

• Binary: 100101111100001011001000011110000001₂
• Hexadecimal: 0x97C2C8781
• Base-36: IPQCOZL

Squares and roots of 40737998721

• 40737998721 squared (40737998721²) is 1659584539792197635841
• 40737998721 cubed (40737998721³) is 67608152859445920894669881759361
• The square root of 40737998721 is 201836.5643806889
• The cube root of 40737998721 is 3440.8565201159

Scales and comparisons

• 40,737,998,721 seconds is equal to 1,295 years, 17 weeks, 5 days, 14 hours, 45 minutes, 21 seconds.
• To count from 1 to 40,737,998,721 would take you about two thousand, five hundred ninety 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 40737998721 cubic inches would be around 286.7 feet tall.

Recreational maths with 40737998721

• 40737998721 backwards is 12789973704
• The number of decimal digits it has is: 11
• The sum of 40737998721's digits is 57
• More coming soon!