121232540

Names of 121232540

• Cardinal: 121232540 can be written as One hundred twenty-one million, two hundred thirty-two thousand, five hundred forty.

Scientific notation

• Scientific notation: 1.2123254 × 10⁸

Factors of 121232540

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 170

Divisors of 121232540

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 10 11 13 19 20 22 23 26 38 44 46 52 55 65 76 92 95 97 110 115 130 143 190 194 209 220 230 247 253 260 286 299 380 388 418 437 460 485 494 506 572 598 715 836 874 970 988 1012 1045 1067 1196 1235 1261 1265 1430 1495 1748 1843 1940 2090 2134 2185 2231 2470 2522 2530 2717 2860 2990 3289 3686 4180 4268 4370 4462 4807 4940 5044 5060 5335 5434 5681 5980 6305 6578 7372 8740 8924 9215 9614 10670 10868 11155 11362 12610 13156 13585 13871 16445 18430 19228 20273 21340 22310 22724 23959 24035 24541 25220 27170 27742 28405 29003 32890 36860 40546 42389 44620 47918 48070 49082 54340 55484 56810 58006 62491 65780 69355 81092 84778 95836 96140 98164 101365 113620 116012 119795 122705 124982 138710 145015 169556 202730 211945 239590 245410 249964 263549 277420 290030 312455 319033 405460 423890 466279 479180 490820 527098 551057 580060 624910 638066 847780 932558 1054196 1102114 1249820 1276132 1317745 1595165 1865116 2204228 2331395 2635490 2755285 3190330 4662790 5270980 5510570 6061627 6380660 9325580 11021140 12123254 24246508 30308135 60616270 121232540
• Sum of all divisors σ(n): 331914240
• Sum of proper divisors (its aliquot sum) s(n): 210681700
• 121232540 is an abundant number, because the sum of its proper divisors (210681700) is greater than itself. Its abundance is 89449160

Bases of 121232540

• Binary: 111001110011101110010011100₂
• Hexadecimal: 0x739DC9C
• Base-36: 206FMK

Squares and roots of 121232540

• 121232540 squared (121232540²) is 14697328754851600
• 121232540 cubed (121232540³) is 1781794496165696791064000
• The square root of 121232540 is 11010.5649264695
• The cube root of 121232540 is 494.9253909249

Scales and comparisons

• 121,232,540 seconds is equal to 3 years, 44 weeks, 3 days, 3 hours, 42 minutes, 20 seconds.
• To count from 1 to 121,232,540 would take you about 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 121232540 cubic inches would be around 41.2 feet tall.

Recreational maths with 121232540

• 121232540 backwards is 045232121
• 121232540 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 121232540's digits is 20
• More coming soon!