221307690746

Names of 221307690746

• Cardinal: 221307690746 can be written as Two hundred twenty-one billion, three hundred seven million, six hundred ninety thousand, seven hundred forty-six.

Scientific notation

• Scientific notation: 2.21307690746 × 10¹¹

Factors of 221307690746

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4435

Divisors of 221307690746

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 31 62 73 79 146 151 158 302 2263 2449 4099 4526 4681 4898 5767 8198 9362 11023 11534 11929 22046 23858 127069 178777 254138 299227 323821 341713 357554 369799 598454 618949 647642 683426 739598 870817 1237898 1741634 9276037 10038451 18552074 19187419 20076902 23638933 26995327 38374838 45183277 47277866 48896971 53990654 90366554 97793942 732806923 1400681587 1465613846 1515806101 2801363174 3031612202 3569478883 7138957766 110653845373 221307690746
• Sum of all divisors σ(n): 354177024000
• Sum of proper divisors (its aliquot sum) s(n): 132869333254
• 221307690746 is a deficient number, because the sum of its proper divisors (132869333254) is less than itself. Its deficiency is 88438357492

Bases of 221307690746

• Binary: 11001110000110111101110101111011111010₂
• Hexadecimal: 0x3386F75EFA
• Base-36: 2TO0VV22

Squares and roots of 221307690746

• 221307690746 squared (221307690746²) is 48977093983327174036516
• 221307690746 cubed (221307690746³) is 10839007568899947511811403439280936
• The square root of 221307690746 is 470433.5136297159
• The cube root of 221307690746 is 6048.7481483915

Scales and comparisons

• 221,307,690,746 seconds is equal to 7,036 years, 46 weeks, 5 days, 14 hours, 32 minutes, 26 seconds.
• To count from 1 to 221,307,690,746 would take you about fourteen thousand and seventy-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 221307690746 cubic inches would be around 504.1 feet tall.

Recreational maths with 221307690746

• 221307690746 backwards is 647096703122
• The number of decimal digits it has is: 12
• The sum of 221307690746's digits is 47
• More coming soon!