213721720875

Names of 213721720875

• Cardinal: 213721720875 can be written as Two hundred thirteen billion, seven hundred twenty-one million, seven hundred twenty thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 2.13721720875 × 10¹¹

Factors of 213721720875

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 917

Divisors of 213721720875

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 13 15 19 25 39 45 57 65 75 95 117 125 171 195 225 247 285 325 375 475 585 741 855 877 975 1125 1235 1425 1625 2223 2375 2631 2925 3705 4275 4385 4875 6175 7125 7893 11115 11401 13155 14625 16663 18525 21375 21925 30875 34203 39465 49989 55575 57005 65775 83315 92625 102609 109625 149967 171015 197325 216619 249945 277875 285025 328875 416575 513045 649857 749835 769129 855075 986625 1083095 1249725 1425125 1949571 2082875 2307387 2565225 3249285 3749175 3845645 4275375 5415475 6248625 6922161 9747855 9998677 11536935 12826125 14613451 16246425 18745875 19228225 27077375 29996031 34610805 43840353 48739275 49993385 57684675 73067255 81232125 89988093 96141125 131521059 149980155 173054025 189974863 219201765 243696375 249966925 288423375 365336275 449940465 569924589 657605295 749900775 865270125 949874315 1096008825 1249834625 1709773767 1826681375 2249702325 2849622945 3288026475 3749503875 4749371575 5480044125 8548868835 11248511625 14248114725 16440132375 23746857875 42744344175 71240573625 213721720875
• Sum of all divisors σ(n): 437240774880
• Sum of proper divisors (its aliquot sum) s(n): 223519054005
• 213721720875 is an abundant number, because the sum of its proper divisors (223519054005) is greater than itself. Its abundance is 9797333130

Bases of 213721720875

• Binary: 11000111000010110011101010100000101011₂
• Hexadecimal: 0x31C2CEA82B
• Base-36: 2Q6KE78R

Squares and roots of 213721720875

• 213721720875 squared (213721720875²) is 45676973973771410765625
• 213721720875 cubed (213721720875³) is 9762161482037013022705876294921875
• The square root of 213721720875 is 462300.4660120947
• The cube root of 213721720875 is 5978.8302174813

Scales and comparisons

• 213,721,720,875 seconds is equal to 6,795 years, 35 weeks, 6 days, 41 minutes, 15 seconds.
• To count from 1 to 213,721,720,875 would take you about thirteen thousand, five hundred ninety-one 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 213721720875 cubic inches would be around 498.2 feet tall.

Recreational maths with 213721720875

• 213721720875 backwards is 578027127312
• 213721720875 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 213721720875's digits is 45
• More coming soon!