121955469831

Names of 121955469831

• Cardinal: 121955469831 can be written as One hundred twenty-one billion, nine hundred fifty-five million, four hundred sixty-nine thousand, eight hundred thirty-one.

Scientific notation

• Scientific notation: 1.21955469831 × 10¹¹

Factors of 121955469831

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9403

Divisors of 121955469831

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 13 27 39 43 67 117 129 169 201 351 387 507 559 603 871 1161 1521 1677 1809 2613 2881 4563 5031 7267 7839 8643 9277 11323 15093 21801 23517 25929 27831 33969 37453 65403 77787 83493 101907 112359 120601 196209 250479 305721 337077 361803 398911 486889 621559 1011231 1085409 1196733 1460667 1567813 1864677 3256227 3590199 4382001 4703439 5185843 5594031 8080267 10770597 13146003 14110317 15557529 16782093 24240801 26727037 42330951 46672587 67415959 72722403 80181111 105043471 140017761 202247877 218167209 240543333 315130413 347451481 606743631 721629999 945391239 1042354443 1820230893 2836173717 3127063329 4516869253 9381189987 13550607759 40651823277 121955469831
• Sum of all divisors σ(n): 203201560320
• Sum of proper divisors (its aliquot sum) s(n): 81246090489
• 121955469831 is a deficient number, because the sum of its proper divisors (81246090489) is less than itself. Its deficiency is 40709379342

Bases of 121955469831

• Binary: 1110001100101000111001100101000000111₂
• Hexadecimal: 0x1C651CCA07
• Base-36: 1K0X4YRR

Squares and roots of 121955469831

• 121955469831 squared (121955469831²) is 14873136621699951168561
• 121955469831 cubed (121955469831³) is 1813860364560069654671614231183191
• The square root of 121955469831 is 349221.2333621769
• The cube root of 121955469831 is 4959.0721609139

Scales and comparisons

• 121,955,469,831 seconds is equal to 3,877 years, 41 weeks, 6 days, 15 hours, 23 minutes, 51 seconds.
• To count from 1 to 121,955,469,831 would take you about seven thousand, seven hundred fifty-five 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 121955469831 cubic inches would be around 413.3 feet tall.

Recreational maths with 121955469831

• 121955469831 backwards is 138964559121
• The number of decimal digits it has is: 12
• The sum of 121955469831's digits is 54
• More coming soon!