2097916821

Names of 2097916821

• Cardinal: 2097916821 can be written as Two billion, ninety-seven million, nine hundred sixteen thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 2.097916821 × 10⁹

Factors of 2097916821

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 887

Divisors of 2097916821

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 11 13 21 27 33 39 49 63 77 91 99 117 143 147 169 189 231 273 297 351 429 441 507 539 637 693 819 853 1001 1183 1287 1323 1521 1617 1859 1911 2079 2457 2559 3003 3549 3861 4563 4851 5577 5733 5971 7007 7677 8281 9009 9383 10647 11089 13013 14553 16731 17199 17913 21021 23031 24843 27027 28149 31941 33267 39039 41797 50193 53739 63063 65681 74529 77623 84447 91091 99801 117117 121979 125391 144157 161217 189189 197043 223587 232869 253341 273273 299403 351351 365937 376173 432471 459767 543361 591129 698607 819819 853853 1009099 1097811 1128519 1297413 1379301 1585727 1630083 1773387 2095821 2459457 2561559 3027297 3293433 3892239 4137903 4757181 4890249 5976971 7063693 7684677 9081891 11100089 12413709 14271543 14670747 17930913 21191079 23054031 27245673 33300267 42814629 53792739 63573237 77700623 99900801 161378217 190719711 233101869 299702403 699305607 2097916821
• Sum of all divisors σ(n): 4275875520
• Sum of proper divisors (its aliquot sum) s(n): 2177958699
• 2097916821 is an abundant number, because the sum of its proper divisors (2177958699) is greater than itself. Its abundance is 80041878

Bases of 2097916821

• Binary: 1111101000010111010101110010101₂
• Hexadecimal: 0x7D0BAB95
• Base-36: YP1MZ9

Squares and roots of 2097916821

• 2097916821 squared (2097916821²) is 4401254987834746041
• 2097916821 cubed (2097916821³) is 9233466872488664087677055661
• The square root of 2097916821 is 45803.0219636215
• The cube root of 2097916821 is 1280.1555843189

Scales and comparisons

• 2,097,916,821 seconds is equal to 66 years, 36 weeks, 5 days, 10 hours, 40 minutes, 21 seconds.
• To count from 1 to 2,097,916,821 would take you about one hundred thirty-three 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 2097916821 cubic inches would be around 106.7 feet tall.

Recreational maths with 2097916821

• 2097916821 backwards is 1286197902
• The number of decimal digits it has is: 10
• The sum of 2097916821's digits is 45
• More coming soon!