139942594638

Names of 139942594638

• Cardinal: 139942594638 can be written as One hundred thirty-nine billion, nine hundred forty-two million, five hundred ninety-four thousand, six hundred thirty-eight.

Scientific notation

• Scientific notation: 1.39942594638 × 10¹¹

Factors of 139942594638

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2400

Divisors of 139942594638

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 33 42 63 66 77 99 126 127 154 198 231 254 381 439 462 693 762 878 889 1143 1317 1386 1397 1778 1811 2286 2634 2667 2794 3073 3622 3951 4191 4829 5334 5433 6146 7902 8001 8382 9219 9658 9779 10866 12573 12677 14487 16002 16299 18438 19558 19921 25146 25354 27657 28974 29337 32598 33803 38031 39842 43461 55314 55753 58674 59763 67606 76062 86922 88011 101409 111506 114093 119526 139447 167259 176022 179289 202818 228186 229997 278894 304227 334518 358578 390271 418341 459994 501777 608454 613283 689991 780542 795029 836682 1003554 1170813 1226566 1255023 1379982 1590058 1609979 1839849 2069973 2341626 2385087 2510046 2529967 3219958 3512439 3679698 4139946 4292981 4770174 4829937 5059934 5519547 5565203 7024878 7155261 7589901 8585962 8745319 9659874 11039094 11130406 12878943 14310522 14489811 15179802 16695609 17490638 17709769 22769703 25757886 26235957 28979622 33391218 35419538 38636829 45539406 50086827 52471914 53129307 61217233 77273658 78707871 100173654 100968683 106258614 122434466 157415742 159387921 183651699 201937366 302906049 318775842 367303398 550955097 605812098 706780781 908718147 1101910194 1110655513 1413561562 1817436294 2120342343 2221311026 3331966539 4240684686 6361027029 6663933078 7774588591 9995899617 12722054058 15549177182 19991799234 23323765773 46647531546 69971297319 139942594638
• Sum of all divisors σ(n): 382082088960
• Sum of proper divisors (its aliquot sum) s(n): 242139494322
• 139942594638 is an abundant number, because the sum of its proper divisors (242139494322) is greater than itself. Its abundance is 102196899684

Bases of 139942594638

• Binary: 10000010010101001110101000100001001110₂
• Hexadecimal: 0x20953A884E
• Base-36: 1SAE7H3I

Squares and roots of 139942594638

• 139942594638 squared (139942594638²) is 19583929794015586351044
• 139942594638 cubed (139942594638³) is 2740625948582974038978036060102072
• The square root of 139942594638 is 374089.0196704523
• The cube root of 139942594638 is 5191.7842976753

Scales and comparisons

• 139,942,594,638 seconds is equal to 4,449 years, 38 weeks, 3 days, 22 hours, 57 minutes, 18 seconds.
• To count from 1 to 139,942,594,638 would take you about eight thousand, eight 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 139942594638 cubic inches would be around 432.6 feet tall.

Recreational maths with 139942594638

• 139942594638 backwards is 836495249931
• 139942594638 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 139942594638's digits is 63
• More coming soon!