138866910273

Names of 138866910273

• Cardinal: 138866910273 can be written as One hundred thirty-eight billion, eight hundred sixty-six million, nine hundred ten thousand, two hundred seventy-three.

Scientific notation

• Scientific notation: 1.38866910273 × 10¹¹

Factors of 138866910273

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 15309

Divisors of 138866910273

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 21 23 27 39 49 63 69 91 117 147 161 189 207 273 299 351 441 483 529 621 637 819 897 1127 1323 1449 1587 1911 2093 2457 2691 3381 3703 4347 4761 5733 6279 6877 8073 10143 11109 14283 14651 15263 17199 18837 20631 25921 30429 33327 43953 45789 48139 56511 61893 77763 99981 106841 131859 137367 144417 185679 198419 233289 320523 336973 351049 395577 412101 433251 595257 699867 747887 961569 1010919 1053147 1299753 1388933 1785771 2243661 2457343 2884707 3032757 3159441 4166799 4563637 5357313 6730983 7372029 8074127 9098271 9478323 9722531 12500397 13690911 17201401 20192949 22116087 24222381 29167593 31945459 37501191 41072733 51604203 56518889 66348261 72667143 87502779 95836377 104963651 123218199 154812609 169556667 218001429 223618213 262508337 287509131 314890953 395632223 464437827 508670001 670854639 734745557 862527393 944672859 1186896669 1526010003 2012563917 2204236671 2834018577 3560690007 5143218899 6037691751 6612710013 10682070021 15429656697 19838130039 46288970091 138866910273
• Sum of all divisors σ(n): 269436464640
• Sum of proper divisors (its aliquot sum) s(n): 130569554367
• 138866910273 is a deficient number, because the sum of its proper divisors (130569554367) is less than itself. Its deficiency is 8297355906

Bases of 138866910273

• Binary: 10000001010101000111001110010001000001₂
• Hexadecimal: 0x20551CE441
• Base-36: 1RSLRTQ9

Squares and roots of 138866910273

• 138866910273 squared (138866910273²) is 19284018768769432934529
• 138866910273 cubed (138866910273³) is 2677912104065552777944329726516417
• The square root of 138866910273 is 372648.5076757989
• The cube root of 138866910273 is 5178.4476581669

Scales and comparisons

• 138,866,910,273 seconds is equal to 4,415 years, 27 weeks, 6 days, 21 hours, 44 minutes, 33 seconds.
• To count from 1 to 138,866,910,273 would take you about eight thousand, eight hundred thirty-one 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 138866910273 cubic inches would be around 431.5 feet tall.

Recreational maths with 138866910273

• 138866910273 backwards is 372019668831
• The number of decimal digits it has is: 12
• The sum of 138866910273's digits is 54
• More coming soon!