138005804755

Names of 138005804755

• Cardinal: 138005804755 can be written as One hundred thirty-eight billion, five million, eight hundred four thousand, seven hundred fifty-five.

Scientific notation

• Scientific notation: 1.38005804755 × 10¹¹

Factors of 138005804755

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 836

Divisors of 138005804755

• Number of divisors d(n): 192
• Complete list of divisors:
  1 5 7 13 17 35 37 49 65 85 91 119 169 185 221 245 259 343 455 481 595 629 637 757 833 845 1105 1183 1295 1547 1715 1813 2405 2873 3145 3185 3367 3785 4165 4403 4459 5299 5831 5915 6253 7735 8177 8281 9065 9841 10829 12691 12869 14365 16835 20111 22015 22295 23569 26495 28009 29155 30821 31265 37093 40885 41405 43771 49205 54145 57239 57967 63455 64345 68887 75803 90083 100555 106301 117845 127933 140045 140777 154105 164983 167297 185465 196063 215747 218855 259651 286195 289835 306397 344435 364117 379015 400673 450415 476153 482209 531505 630581 639665 703885 744107 824915 836485 895531 980315 985439 1078735 1171079 1298255 1372441 1531985 1820585 2003365 2144779 2174861 2380765 2411045 2548819 2804711 3152905 3333071 3375463 3720535 4414067 4477655 4733521 4927195 5208749 5855395 6189989 6268717 6862205 8197553 9607087 10723895 10874305 12744095 14023555 15224027 16665355 16877315 17841733 22070335 23331497 23667605 26043745 30949945 31343585 33134647 36461243 40987765 43329923 43881019 48035435 57382871 76120135 80469857 89208665 106568189 116657485 124892131 163320479 165673235 182306215 216649615 219405095 231942529 286914355 303309461 402349285 532840945 563288999 624460655 745977323 816602395 1159712645 1516547305 1623597703 2123166227 2816444995 3729886615 3943022993 8117988515 10615831135 19715114965 27601160951 138005804755
• Sum of all divisors σ(n): 227712902400
• Sum of proper divisors (its aliquot sum) s(n): 89707097645
• 138005804755 is a deficient number, because the sum of its proper divisors (89707097645) is less than itself. Its deficiency is 48298707110

Bases of 138005804755

• Binary: 10000000100001110010010111011011010011₂
• Hexadecimal: 0x2021C976D3
• Base-36: 1RED3CGJ

Squares and roots of 138005804755

• 138005804755 squared (138005804755²) is 19045602146075180610025
• 138005804755 cubed (138005804755³) is 2628403651212660364818471945668875
• The square root of 138005804755 is 371491.3252755709
• The cube root of 138005804755 is 5167.7217077193

Scales and comparisons

• 138,005,804,755 seconds is equal to 4,388 years, 8 weeks, 1 day, 9 hours, 45 minutes, 55 seconds.
• To count from 1 to 138,005,804,755 would take you about eight thousand, seven hundred seventy-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 138005804755 cubic inches would be around 430.6 feet tall.

Recreational maths with 138005804755

• 138005804755 backwards is 557408500831
• The number of decimal digits it has is: 12
• The sum of 138005804755's digits is 46
• More coming soon!