138919410

Names of 138919410

• Cardinal: 138919410 can be written as One hundred thirty-eight million, nine hundred nineteen thousand, four hundred ten.

Scientific notation

• Scientific notation: 1.3891941 × 10⁸

Factors of 138919410

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 143

Divisors of 138919410

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 30 34 35 42 45 49 51 63 70 85 90 98 102 105 109 119 126 147 153 170 210 218 238 245 255 289 294 306 315 327 357 441 490 510 545 578 595 630 654 714 735 763 765 833 867 882 981 1071 1090 1190 1445 1470 1526 1530 1635 1666 1734 1785 1853 1962 2023 2142 2205 2289 2499 2601 2890 3270 3570 3706 3815 4046 4165 4335 4410 4578 4905 4998 5202 5341 5355 5559 6069 6867 7497 7630 8330 8670 9265 9810 10115 10682 10710 11118 11445 12138 12495 12971 13005 13734 14161 14994 16023 16677 18207 18530 20230 22890 24990 25942 26010 26705 27795 28322 30345 31501 32046 33354 34335 36414 37485 38913 42483 48069 53410 55590 60690 63002 64855 68670 70805 74970 77826 80115 83385 84966 90797 91035 94503 96138 116739 127449 129710 141610 157505 160230 166770 181594 182070 189006 194565 212415 220507 233478 240345 254898 272391 283509 315010 389130 424830 441014 453985 472515 480690 544782 567018 583695 637245 661521 817173 907970 945030 1102535 1167390 1274490 1323042 1361955 1417545 1543549 1634346 1984563 2205070 2723910 2835090 3087098 3307605 3969126 4085865 4630647 6615210 7717745 8171730 9261294 9922815 13891941 15435490 19845630 23153235 27783882 46306470 69459705 138919410
• Sum of all divisors σ(n): 450424260
• Sum of proper divisors (its aliquot sum) s(n): 311504850
• 138919410 is an abundant number, because the sum of its proper divisors (311504850) is greater than itself. Its abundance is 172585440

Bases of 138919410

• Binary: 1000010001111011110111110010₂
• Hexadecimal: 0x847BDF2
• Base-36: 2APIWI

Squares and roots of 138919410

• 138919410 squared (138919410²) is 19298602474748100
• 138919410 cubed (138919410³) is 2680950469616545950621000
• The square root of 138919410 is 11786.4078497225
• The cube root of 138919410 is 517.9100160227

Scales and comparisons

• 138,919,410 seconds is equal to 4 years, 21 weeks, 4 days, 20 hours, 43 minutes, 30 seconds.
• To count from 1 to 138,919,410 would take you about six 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 138919410 cubic inches would be around 43.2 feet tall.

Recreational maths with 138919410

• 138919410 backwards is 014919831
• The number of decimal digits it has is: 9
• The sum of 138919410's digits is 36
• More coming soon!