138372224991

Names of 138372224991

• Cardinal: 138372224991 can be written as One hundred thirty-eight billion, three hundred seventy-two million, two hundred twenty-four thousand, nine hundred ninety-one.

Scientific notation

• Scientific notation: 1.38372224991 × 10¹¹

Factors of 138372224991

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 185

Divisors of 138372224991

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 7 11 13 21 31 33 39 49 59 61 77 91 93 143 147 177 183 217 231 273 341 403 413 427 429 539 637 649 651 671 767 793 1001 1023 1209 1239 1281 1519 1617 1829 1891 1911 1947 2013 2301 2379 2387 2821 2891 2989 3003 3481 3599 4433 4543 4557 4697 5369 5487 5551 5673 7007 7161 8437 8463 8673 8723 8967 10443 10797 12803 13237 13299 13629 14091 16107 16653 16709 19747 20119 20801 21021 23777 24367 24583 25193 25311 26169 31031 31801 32879 37583 38291 38409 38857 39589 39711 45253 46787 50127 59059 59241 60357 61061 62403 71331 73101 73749 75579 89621 92659 93093 95403 98637 107911 111569 112749 114873 116571 118767 135759 140361 140833 145607 166439 170569 172081 176351 177177 183183 212341 217217 261547 268037 268863 270413 277123 277977 316771 323733 327509 334707 413413 422499 427427 436821 497783 499317 511707 514657 516243 529053 637023 651651 755377 780983 784641 804111 811239 831369 950313 982527 985831 1019249 1165073 1187021 1204567 1227259 1240239 1282281 1402843 1450397 1486387 1493349 1543971 1830829 1876259 1892891 1939861 2217397 2266131 2292563 2335751 2342949 2760433 2957493 3057747 3484481 3495219 3561063 3602599 3613701 3681777 4208529 4351191 4459161 5287639 5466881 5492487 5628777 5678673 5819583 6582571 6652191 6877689 7007253 8281299 8309147 8590813 9819901 10152779 10404709 10453443 10807797 12815803 13250237 15431273 15862917 15954367 16350257 16400643 19323031 19747713 24391367 24927441 25218193 25772439 29459703 30364763 30458337 31214127 38447409 39750711 46077997 46293819 47863101 49050771 57969093 58164029 60135691 68739307 71069453 72408281 73174101 75654579 85573423 91094289 108018911 111680569 114451799 135261217 138233991 174492087 180407073 206217921 212553341 213208359 217224843 256720269 322545979 324056733 335041707 343355397 405783651 506857967 599013961 637660023 756132377 781763983 941307653 967637937 1487873387 1520573901 1797041883 2268397131 2345291949 2823922959 3548005769 4193097727 4463620161 6589153571 10644017307 12579293181 19767460713 46124074997 138372224991
• Sum of all divisors σ(n): 269098776576
• Sum of proper divisors (its aliquot sum) s(n): 130726551585
• 138372224991 is a deficient number, because the sum of its proper divisors (130726551585) is less than itself. Its deficiency is 7645673406

Bases of 138372224991

• Binary: 10000000110111101000001001011111011111₂
• Hexadecimal: 0x2037A097DF
• Base-36: 1RKF904F

Squares and roots of 138372224991

• 138372224991 squared (138372224991²) is 19146872648959924950081
• 138372224991 cubed (138372224991³) is 2649395370055906897335082575674271
• The square root of 138372224991 is 371984.1730383163
• The cube root of 138372224991 is 5172.2912846109

Scales and comparisons

• 138,372,224,991 seconds is equal to 4,399 years, 42 weeks, 9 hours, 9 minutes, 51 seconds.
• To count from 1 to 138,372,224,991 would take you about eight thousand, seven hundred ninety-nine 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 138372224991 cubic inches would be around 431 feet tall.

Recreational maths with 138372224991

• 138372224991 backwards is 199422273831
• The number of decimal digits it has is: 12
• The sum of 138372224991's digits is 51
• More coming soon!