138078903984

Names of 138078903984

• Cardinal: 138078903984 can be written as One hundred thirty-eight billion, seventy-eight million, nine hundred three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.38078903984 × 10¹¹

Factors of 138078903984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 134395

Divisors of 138078903984

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 23 24 28 38 42 46 48 49 56 57 69 76 84 92 98 112 114 133 138 147 152 161 168 184 196 228 266 276 294 304 322 336 368 392 399 437 456 483 532 552 588 644 784 798 874 912 931 966 1064 1104 1127 1176 1288 1311 1596 1748 1862 1932 2128 2254 2352 2576 2622 2793 3059 3192 3381 3496 3724 3864 4508 5244 5586 6118 6384 6762 6992 7448 7728 9016 9177 10488 11172 12236 13524 14896 18032 18354 20976 21413 22344 24472 27048 36708 42826 44688 48944 54096 64239 73416 85652 128478 134341 146832 171304 256956 268682 342608 403023 513912 537364 806046 940387 1027824 1074728 1612092 1880774 2149456 2552479 2821161 3089843 3224184 3761548 5104958 5642322 6179686 6448368 6582709 7523096 7657437 9269529 10209916 11284644 12359372 13165418 15046192 15314874 17867353 18539058 19748127 20419832 21628901 22569288 24718744 26330836 30629748 35734706 37078116 39496254 40839664 43257802 45138576 49437488 52661672 53602059 58707017 61259496 64886703 71469412 74156232 78992508 86515604 105323344 107204118 117414034 122518992 125071471 129773406 142938824 148312464 151402307 157985016 173031208 176121051 214408236 234828068 250142942 259546812 285877648 302804614 315970032 346062416 352242102 375214413 410949119 428816472 454206921 469656136 500285884 519093624 605609228 704484204 750428826 821898238 857632944 908413842 939312272 1000571768 1038187248 1211218456 1232847357 1408968408 1500857652 1643796476 1816827684 2001143536 2422436912 2465694714 2817936816 2876643833 3001715304 3287592952 3633655368 4931389428 5753287666 6003430608 6575185904 7267310736 8629931499 9862778856 11506575332 17259862998 19725557712 23013150664 34519725996 46026301328 69039451992 138078903984
• Sum of all divisors σ(n): 455774042880
• Sum of proper divisors (its aliquot sum) s(n): 317695138896
• 138078903984 is an abundant number, because the sum of its proper divisors (317695138896) is greater than itself. Its abundance is 179616234912

Bases of 138078903984

• Binary: 10000000100110001001001101111010110000₂
• Hexadecimal: 0x202624DEB0
• Base-36: 1RFKM46O

Squares and roots of 138078903984

• 138078903984 squared (138078903984²) is 19065783725422691072256
• 138078903984 cubed (138078903984³) is 2632582520402349580380930230267904
• The square root of 138078903984 is 371589.6984363265
• The cube root of 138078903984 is 5168.6339635379

Scales and comparisons

• 138,078,903,984 seconds is equal to 4,390 years, 25 weeks, 11 hours, 6 minutes, 24 seconds.
• To count from 1 to 138,078,903,984 would take you about eight thousand, seven hundred eighty 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 138078903984 cubic inches would be around 430.7 feet tall.

Recreational maths with 138078903984

• 138078903984 backwards is 489309870831
• The number of decimal digits it has is: 12
• The sum of 138078903984's digits is 60
• More coming soon!