149731191890

Names of 149731191890

• Cardinal: 149731191890 can be written as One hundred forty-nine billion, seven hundred thirty-one million, one hundred ninety-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.4973119189 × 10¹¹

Factors of 149731191890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 109

Divisors of 149731191890

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 5 7 10 14 17 34 35 37 41 49 70 74 82 85 98 119 170 185 205 238 245 259 287 289 370 410 490 518 574 578 595 629 697 833 1190 1258 1295 1394 1435 1445 1517 1666 1681 1813 2009 2023 2590 2870 2890 3034 3145 3362 3485 3626 4018 4046 4165 4403 4879 4913 6290 6970 7585 8330 8405 8806 9065 9758 9826 10045 10115 10619 10693 11767 11849 14161 15170 16810 18130 20090 20230 21238 21386 22015 23534 23698 24395 24565 25789 28322 28577 30821 34153 34391 44030 48790 49130 51578 53095 53465 57154 58835 59245 61642 62197 68306 68782 70805 74333 74851 82369 82943 106190 106930 117670 118490 124394 128945 141610 142885 148666 149702 154105 164738 165886 170765 171955 180523 181781 200039 201433 240737 257890 285770 308210 310985 341530 343910 361046 363562 371665 374255 400078 402866 411845 414715 435379 438413 481474 485809 523957 580601 621970 743330 748510 823690 829430 870758 876826 902615 908905 971618 1000195 1007165 1047914 1057349 1161202 1203685 1263661 1272467 1400273 1410031 1805230 1817810 2000390 2014330 2114698 2176895 2192065 2407370 2429045 2527322 2544934 2619785 2800546 2820062 2903005 3047653 3068891 3400663 4353790 4384130 4858090 5239570 5286745 5806010 6095306 6137782 6318305 6362335 6801326 7001365 7050155 7401443 7453021 8258753 8907269 9870217 10573490 12636610 12724670 14002730 14100310 14802886 14906042 15238265 15344455 16517506 17003315 17814538 17974933 19740434 21482237 23804641 30476530 30688910 34006630 35949866 37007215 37265105 41293765 42964474 44536345 47609282 49351085 51810101 52171147 57811271 74014430 74530210 82587530 89072690 89874665 98702170 103620202 104342294 107411185 115622542 119023205 125824531 179749330 214822370 238046410 251649062 259050505 260855735 289056355 305573861 365198029 404678897 518101010 521711470 578112710 611147722 629122655 730396058 809357794 880771717 1258245310 1527869305 1761543434 1825990145 2023394485 2139017027 3055738610 3651980290 4046788970 4278034054 4403858585 8807717170 10695085135 14973119189 21390170270 29946238378 74865595945 149731191890
• Sum of all divisors σ(n): 350660411280
• Sum of proper divisors (its aliquot sum) s(n): 200929219390
• 149731191890 is an abundant number, because the sum of its proper divisors (200929219390) is greater than itself. Its abundance is 51198027500

Bases of 149731191890

• Binary: 10001011011100101011001010110001010010₂
• Hexadecimal: 0x22DCACAC52
• Base-36: 1WSA332Q

Squares and roots of 149731191890

• 149731191890 squared (149731191890²) is 22419429824800001772100
• 149731191890 cubed (149731191890³) is 3356887949161518146210645148269000
• The square root of 149731191890 is 386951.1492294603
• The cube root of 149731191890 is 5310.1170454041

Scales and comparisons

• 149,731,191,890 seconds is equal to 4,760 years, 51 weeks, 2 days, 21 hours, 44 minutes, 50 seconds.
• To count from 1 to 149,731,191,890 would take you about nine thousand, five hundred twenty-one 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 149731191890 cubic inches would be around 442.5 feet tall.

Recreational maths with 149731191890

• 149731191890 backwards is 098191137941
• The number of decimal digits it has is: 12
• The sum of 149731191890's digits is 53
• More coming soon!