121988282940

Names of 121988282940

• Cardinal: 121988282940 can be written as One hundred twenty-one billion, nine hundred eighty-eight million, two hundred eighty-two thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.2198828294 × 10¹¹

Factors of 121988282940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15647

Divisors of 121988282940

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 37 45 60 74 90 111 148 180 185 222 333 370 444 555 666 740 1110 1279 1332 1665 2220 2558 3330 3837 5116 6395 6660 7674 11511 12790 14321 15348 19185 23022 25580 28642 38370 42963 46044 47323 57284 57555 71605 76740 85926 94646 115110 128889 141969 143210 171852 189292 214815 230220 236615 257778 283938 286420 425907 429630 473230 515556 529877 567876 644445 709845 851814 859260 946460 1059754 1288890 1419690 1589631 1703628 2119508 2129535 2577780 2649385 2839380 3179262 4259070 4768893 5298770 6358524 7948155 8518140 9537786 10597540 15896310 18316559 19075572 23844465 31792620 36633118 47688930 54949677 73266236 91582795 95377860 109899354 164849031 183165590 219798708 274748385 329698062 366331180 549496770 659396124 677712683 824245155 1098993540 1355425366 1648490310 2033138049 2710850732 3296980620 3388563415 4066276098 6099414147 6777126830 8132552196 10165690245 12198828294 13554253660 20331380490 24397656588 30497070735 40662760980 60994141470 121988282940
• Sum of all divisors σ(n): 380355655680
• Sum of proper divisors (its aliquot sum) s(n): 258367372740
• 121988282940 is an abundant number, because the sum of its proper divisors (258367372740) is greater than itself. Its abundance is 136379089800

Bases of 121988282940

• Binary: 1110001100111000100010111101000111100₂
• Hexadecimal: 0x1C67117A3C
• Base-36: 1K1GO9J0

Squares and roots of 121988282940

• 121988282940 squared (121988282940²) is 14881141174649495043600
• 121988282940 cubed (121988282940³) is 1815324860083226556706804436184000
• The square root of 121988282940 is 349268.2106061185
• The cube root of 121988282940 is 4959.5168805695

Scales and comparisons

• 121,988,282,940 seconds is equal to 3,878 years, 44 weeks, 1 day, 10 hours, 9 minutes.
• To count from 1 to 121,988,282,940 would take you about seven thousand, seven hundred fifty-seven 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 121988282940 cubic inches would be around 413.3 feet tall.

Recreational maths with 121988282940

• 121988282940 backwards is 049282889121
• The number of decimal digits it has is: 12
• The sum of 121988282940's digits is 54
• More coming soon!