138455984758

Names of 138455984758

• Cardinal: 138455984758 can be written as One hundred thirty-eight billion, four hundred fifty-five million, nine hundred eighty-four thousand, seven hundred fifty-eight.

Scientific notation

• Scientific notation: 1.38455984758 × 10¹¹

Factors of 138455984758

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 260

Divisors of 138455984758

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 7 13 14 26 29 41 49 58 79 82 89 91 98 158 169 178 182 203 287 338 377 406 533 553 574 623 637 754 1027 1066 1106 1157 1183 1189 1246 1274 1421 2009 2054 2291 2314 2366 2378 2581 2639 2842 3239 3649 3731 3871 4018 4361 4582 4901 5162 5278 6478 6929 7031 7189 7298 7462 7742 8099 8281 8323 8722 9802 13351 13858 14062 14378 15041 15457 16037 16198 16562 16646 18067 18473 22673 25543 26117 26702 29783 30082 30914 32074 33553 34307 36134 36946 42107 45346 47437 48503 49217 50323 51086 52234 56693 58261 59566 67106 68614 84214 91403 93457 93931 94874 97006 98434 100646 105287 105821 108199 112259 113386 116522 126469 158711 178801 182806 186914 187862 200941 203899 208481 210574 211642 216398 224518 234871 240149 252938 288271 294749 317422 332059 339521 344519 357602 387179 401882 407798 416962 436189 469742 480298 547391 576542 589498 616681 639821 654199 657517 664118 679042 689038 737009 740747 757393 774358 872378 1094782 1188239 1221103 1233362 1279642 1308398 1315034 1375673 1406587 1427293 1459367 1474018 1481494 1514786 1644097 2017897 2063243 2324413 2376478 2442206 2650687 2710253 2751346 2813174 2854586 2918734 3053323 3288194 3747523 3831737 4035794 4126486 4316767 4478747 4602619 4648826 5185229 5301374 5420506 6106646 7495046 7663474 8317673 8359859 8547721 8633534 8957494 9205238 9629711 9846109 9991051 10370458 14125279 15874339 16635346 16719718 17095442 17883749 18554809 18971771 19259422 19692218 19982102 21373261 26232661 26822159 28250558 30217369 31748678 34458931 35767498 37109618 37943542 42746522 48717799 52465322 53644318 58223711 58519013 59834047 60434738 67407977 68917862 97435598 108678167 111120373 116447422 117038026 119668094 125186243 129883663 134815954 183628627 217356334 222240746 241212517 250372486 259767326 341024593 367257254 409633091 482425034 682049186 760747169 777842611 819266182 876303701 1412816171 1521494338 1555685222 1688487619 1752607402 2387172151 2825632342 3376975238 4774344302 5325230183 9889713197 10650460366 19779426394 69227992379 138455984758
• Sum of all divisors σ(n): 283890096000
• Sum of proper divisors (its aliquot sum) s(n): 145434111242
• 138455984758 is an abundant number, because the sum of its proper divisors (145434111242) is greater than itself. Its abundance is 6978126484

Bases of 138455984758

• Binary: 10000000111100100111101010101001110110₂
• Hexadecimal: 0x203C9EAA76
• Base-36: 1RLT49KM

Squares and roots of 138455984758

• 138455984758 squared (138455984758²) is 19170059715307528318564
• 138455984758 cubed (138455984758³) is 2654209495752568960157750552447512
• The square root of 138455984758 is 372096.7411278955
• The cube root of 138455984758 is 5173.3347081921

Scales and comparisons

• 138,455,984,758 seconds is equal to 4,402 years, 24 weeks, 3 days, 19 hours, 45 minutes, 58 seconds.
• To count from 1 to 138,455,984,758 would take you about eight thousand, eight hundred four 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 138455984758 cubic inches would be around 431.1 feet tall.

Recreational maths with 138455984758

• 138455984758 backwards is 857489554831
• The number of decimal digits it has is: 12
• The sum of 138455984758's digits is 67
• More coming soon!