138994939413

Names of 138994939413

• Cardinal: 138994939413 can be written as One hundred thirty-eight billion, nine hundred ninety-four million, nine hundred thirty-nine thousand, four hundred thirteen.

Scientific notation

• Scientific notation: 1.38994939413 × 10¹¹

Factors of 138994939413

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 135

Divisors of 138994939413

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 9 11 19 27 31 33 57 71 93 99 171 209 213 279 297 341 361 513 589 627 639 781 837 961 1023 1083 1349 1767 1881 1917 2201 2343 2883 3069 3249 3971 4047 5301 5643 6479 6603 6859 7029 8649 9207 9747 10571 11191 11913 12141 14839 15903 18259 19437 19809 20577 21087 24211 25631 25947 31713 33573 35739 36423 41819 44517 54777 58311 59427 61731 68231 72633 75449 76893 95139 100719 107217 123101 125457 133551 164331 174933 185193 200849 204693 212629 217899 226347 230679 281941 285417 302157 346921 369303 376371 400653 460009 486989 492993 602547 614079 637887 653697 679041 692037 750541 794561 845823 1040763 1107909 1129113 1296389 1380027 1460967 1807641 1842237 1913661 2037123 2251623 2338919 2383683 2537469 3122289 3323727 3816131 3889167 4140081 4382901 5356879 5422923 5740983 6591499 6754869 7016757 7151049 7612407 8740171 9366867 11448393 11667501 12420243 13148703 14260279 15096659 16070637 19774497 20264607 21050271 21453147 24631391 26220513 34345179 35002503 42780837 45289977 48211911 59323491 63150813 72506489 73894173 78661539 103035537 128342511 135869931 144635733 166063249 177970473 217519467 221682519 235984617 270945301 385027533 407609793 467996429 498189747 652558401 665047557 812835903 1403989287 1494569241 1957675203 2438507709 4211967861 4483707723 5147960719 7315523127 12635903583 15443882157 46331646471 138994939413
• Sum of all divisors σ(n): 248462899200
• Sum of proper divisors (its aliquot sum) s(n): 109467959787
• 138994939413 is a deficient number, because the sum of its proper divisors (109467959787) is less than itself. Its deficiency is 29526979626

Bases of 138994939413

• Binary: 10000001011100101111100111011000010101₂
• Hexadecimal: 0x205CBE7615
• Base-36: 1RUPZXN9

Squares and roots of 138994939413

• 138994939413 squared (138994939413²) is 19319593182423540784569
• 138994939413 cubed (138994939413³) is 2685325683874767907856102640317997
• The square root of 138994939413 is 372820.2508086167
• The cube root of 138994939413 is 5180.0386024587

Scales and comparisons

• 138,994,939,413 seconds is equal to 4,419 years, 31 weeks, 4 days, 17 hours, 23 minutes, 33 seconds.
• To count from 1 to 138,994,939,413 would take you about eight thousand, eight hundred thirty-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 138994939413 cubic inches would be around 431.7 feet tall.

Recreational maths with 138994939413

• 138994939413 backwards is 314939499831
• The number of decimal digits it has is: 12
• The sum of 138994939413's digits is 63
• More coming soon!