138337290

Names of 138337290

• Cardinal: 138337290 can be written as One hundred thirty-eight million, three hundred thirty-seven thousand, two hundred ninety.

Scientific notation

• Scientific notation: 1.3833729 × 10⁸

Factors of 138337290

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 176

Divisors of 138337290

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 13 14 15 18 19 21 26 30 35 38 39 42 45 49 57 63 65 70 78 90 91 95 98 105 114 117 126 127 130 133 147 171 182 190 195 210 234 245 247 254 266 273 285 294 315 342 381 390 399 441 455 490 494 546 570 585 630 635 637 665 735 741 762 798 819 855 882 889 910 931 1143 1170 1197 1235 1270 1274 1330 1365 1470 1482 1638 1651 1710 1729 1778 1862 1905 1911 1995 2205 2223 2286 2394 2413 2470 2667 2730 2793 3185 3302 3458 3705 3810 3822 3990 4095 4410 4445 4446 4655 4826 4953 5187 5334 5586 5715 5733 5985 6223 6370 7239 7410 8001 8190 8255 8379 8645 8890 9310 9555 9906 10374 11115 11430 11466 11557 11970 12065 12103 12446 13335 13965 14478 14859 15561 16002 16510 16758 16891 17290 18669 19110 21717 22230 23114 24130 24206 24765 25935 26670 27930 28665 29718 31115 31122 31369 33782 34671 36195 36309 37338 40005 41895 43434 49530 50673 51870 56007 57330 57785 60515 62230 62738 69342 72390 72618 74295 77805 80010 80899 83790 84455 93345 94107 101346 104013 108585 108927 112014 115570 118237 121030 148590 152019 155610 156845 161798 168910 173355 181545 186690 188214 208026 217170 217854 219583 236474 242697 253365 280035 282321 304038 313690 346710 354711 363090 404495 439166 470535 485394 506730 520065 544635 560070 564642 591185 658749 709422 728091 760095 808990 941070 1040130 1064133 1089270 1097915 1182370 1213485 1317498 1411605 1456182 1520190 1537081 1773555 1976247 2128266 2195830 2426970 2823210 3074162 3293745 3547110 3640455 3952494 4611243 5320665 6587490 7280910 7685405 9222486 9881235 10641330 13833729 15370810 19762470 23056215 27667458 46112430 69168645 138337290
• Sum of all divisors σ(n): 478033920
• Sum of proper divisors (its aliquot sum) s(n): 339696630
• 138337290 is an abundant number, because the sum of its proper divisors (339696630) is greater than itself. Its abundance is 201359340

Bases of 138337290

• Binary: 1000001111101101110000001010₂
• Hexadecimal: 0x83EDC0A
• Base-36: 2AD1QI

Squares and roots of 138337290

• 138337290 squared (138337290²) is 19137205804544100
• 138337290 cubed (138337290³) is 2647389189172900479489000
• The square root of 138337290 is 11761.6873789437
• The cube root of 138337290 is 517.1855963243

Scales and comparisons

• 138,337,290 seconds is equal to 4 years, 20 weeks, 5 days, 3 hours, 1 minute, 30 seconds.
• To count from 1 to 138,337,290 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 138337290 cubic inches would be around 43.1 feet tall.

Recreational maths with 138337290

• 138337290 backwards is 092733831
• The number of decimal digits it has is: 9
• The sum of 138337290's digits is 36
• More coming soon!