121761200990

Names of 121761200990

• Cardinal: 121761200990 can be written as One hundred twenty-one billion, seven hundred sixty-one million, two hundred thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.2176120099 × 10¹¹

Factors of 121761200990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 109

Divisors of 121761200990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 5 10 11 13 22 26 37 41 55 65 74 82 110 130 143 185 205 286 370 407 410 451 481 533 715 814 902 962 1066 1369 1430 1517 1681 2035 2255 2405 2665 2738 3034 3362 4070 4510 4810 5291 5330 5863 6845 7585 8405 10582 11726 13690 15059 15170 16687 16810 17797 18491 19721 21853 26455 29315 30118 33374 35594 36982 39442 43706 50653 52910 56129 58630 62197 75295 83435 88985 92455 98605 101306 109265 112258 124394 150590 166870 177970 184910 195767 197210 216931 218530 240383 253265 280645 310985 391534 433862 480766 506530 557183 561290 617419 621970 658489 684167 729677 808561 978835 1084655 1114366 1201915 1234838 1316978 1368334 1459354 1617122 1957670 2076773 2169310 2301289 2403830 2785915 3087095 3292445 3420835 3648385 4042805 4153546 4602578 5571830 6174190 6584890 6841670 7243379 7296770 8026447 8085610 8894171 10383865 11506445 14486758 16052894 17788342 20767730 22844503 23012890 25314179 26998049 29916757 36216895 40132235 44470855 45689006 50628358 53996098 59833514 72433790 80264470 85147693 88941710 114222515 126570895 134990245 149583785 170295386 228445030 253141790 269980490 296978539 299167570 329084327 425738465 593957078 658168654 851476930 936624623 1106920009 1484892695 1645421635 1873249246 2213840018 2969785390 3290843270 4683123115 5534600045 9366246230 11069200090 12176120099 24352240198 60880600495 121761200990
• Sum of all divisors σ(n): 271250925120
• Sum of proper divisors (its aliquot sum) s(n): 149489724130
• 121761200990 is an abundant number, because the sum of its proper divisors (149489724130) is greater than itself. Its abundance is 27728523140

Bases of 121761200990

• Binary: 1110001011001100010000111101101011110₂
• Hexadecimal: 0x1C59887B5E
• Base-36: 1JXPH3Z2

Squares and roots of 121761200990

• 121761200990 squared (121761200990²) is 14825790066527176980100
• 121761200990 cubed (121761200990³) is 1805206004125961067571257330299000
• The square root of 121761200990 is 348942.9767024979
• The cube root of 121761200990 is 4956.4375785235

Scales and comparisons

• 121,761,200,990 seconds is equal to 3,871 years, 32 weeks, 5 days, 3 hours, 49 minutes, 50 seconds.
• To count from 1 to 121,761,200,990 would take you about seven thousand, seven hundred forty-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 121761200990 cubic inches would be around 413 feet tall.

Recreational maths with 121761200990

• 121761200990 backwards is 099002167121
• The number of decimal digits it has is: 12
• The sum of 121761200990's digits is 38
• More coming soon!