138645354528

Names of 138645354528

• Cardinal: 138645354528 can be written as One hundred thirty-eight billion, six hundred forty-five million, three hundred fifty-four thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38645354528 × 10¹¹

Factors of 138645354528

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 635

Divisors of 138645354528

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 37 48 72 74 96 111 144 148 222 288 296 333 444 592 593 666 888 1184 1186 1332 1369 1776 1779 2372 2664 2738 3552 3558 4107 4744 5328 5337 5476 7116 8214 9488 10656 10674 10952 12321 14232 16428 18976 21348 21904 21941 24642 28464 32856 42696 43808 43882 49284 56928 65712 65823 85392 87764 98568 131424 131646 170784 175528 197136 197469 263292 351056 351649 394272 394938 526584 702112 703298 789876 811817 1053168 1054947 1406596 1579752 1623634 2106336 2109894 2435451 2813192 3159504 3164841 3247268 4219788 4870902 5626384 6319008 6329682 6494536 7306353 8439576 9741804 11252768 12659364 12989072 13011013 14612706 16879152 19483608 25318728 25978144 26022026 29225412 33758304 38967216 39033039 50637456 52044052 58450824 77934432 78066078 101274912 104088104 116901648 117099117 156132156 208176208 233803296 234198234 312264312 416352416 468396468 481407481 624528624 936792936 962814962 1249057248 1444222443 1873585872 1925629924 2888444886 3747171744 3851259848 4332667329 5776889772 7702519696 8665334658 11553779544 15405039392 17330669316 23107559088 34661338632 46215118176 69322677264 138645354528
• Sum of all divisors σ(n): 405901232919
• Sum of proper divisors (its aliquot sum) s(n): 267255878391
• 138645354528 is an abundant number, because the sum of its proper divisors (267255878391) is greater than itself. Its abundance is 128610523863

Bases of 138645354528

• Binary: 10000001000111111010000011100000100000₂
• Hexadecimal: 0x2047E83820
• Base-36: 1ROXV480

Squares and roots of 138645354528

• 138645354528 squared (138645354528²) is 19222534332194810102784
• 138645354528 cubed (138645354528³) is 2665115087413801171062123799805952
• The square root of 138645354528 is 372351.1172643369
• The cube root of 138645354528 is 5175.6922008477

Scales and comparisons

• 138,645,354,528 seconds is equal to 4,408 years, 25 weeks, 4 days, 14 hours, 28 minutes, 48 seconds.
• To count from 1 to 138,645,354,528 would take you about eight thousand, eight hundred sixteen 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 138645354528 cubic inches would be around 431.3 feet tall.

Recreational maths with 138645354528

• 138645354528 backwards is 825453546831
• The number of decimal digits it has is: 12
• The sum of 138645354528's digits is 54
• More coming soon!