138421587052

Names of 138421587052

• Cardinal: 138421587052 can be written as One hundred thirty-eight billion, four hundred twenty-one million, five hundred eighty-seven thousand and fifty-two.

Scientific notation

• Scientific notation: 1.38421587052 × 10¹¹

Factors of 138421587052

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1123

Divisors of 138421587052

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 28 49 73 79 98 146 151 158 196 292 302 316 511 553 604 811 1022 1057 1106 1622 2044 2114 2212 3244 3577 3871 4228 5677 5767 7154 7399 7742 11023 11354 11534 11929 14308 14798 15484 22046 22708 23068 23858 29596 39739 40369 44092 47716 59203 64069 77161 79478 80738 83503 118406 122461 128138 154322 158956 161476 167006 236812 244922 256276 282583 308644 334012 414421 448483 489844 540127 565166 584521 828842 857227 870817 896966 1080254 1130332 1169042 1657684 1714454 1741634 1793932 2160508 2338084 2900947 3139381 3428908 3483268 4677037 5801894 6000589 6095719 6278762 8939653 9354074 9674419 11603788 12001178 12191438 12557524 17879306 18708148 19348838 24002356 24382876 32739259 35758612 38697676 42670033 62577571 65478518 67720933 85340066 125155142 130957036 135441866 170680132 229174813 250310284 270883732 438042997 458349626 474046531 706232587 876085994 916699252 948093062 1412465174 1752171988 1896186124 2824930348 4943628109 9887256218 19774512436 34605396763 69210793526 138421587052
• Sum of all divisors σ(n): 291537361920
• Sum of proper divisors (its aliquot sum) s(n): 153115774868
• 138421587052 is an abundant number, because the sum of its proper divisors (153115774868) is greater than itself. Its abundance is 14694187816

Bases of 138421587052

• Binary: 10000000111010100100011100110001101100₂
• Hexadecimal: 0x203A91CC6C
• Base-36: 1RL8N04S

Squares and roots of 138421587052

• 138421587052 squared (138421587052²) is 19160535761994414050704
• 138421587052 cubed (138421587052³) is 2652231768941868937657255677884608
• The square root of 138421587052 is 372050.5168011463
• The cube root of 138421587052 is 5172.9062553395

Scales and comparisons

• 138,421,587,052 seconds is equal to 4,401 years, 19 weeks, 4 days, 16 hours, 50 minutes, 52 seconds.
• To count from 1 to 138,421,587,052 would take you about eight thousand, eight hundred two 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 138421587052 cubic inches would be around 431.1 feet tall.

Recreational maths with 138421587052

• 138421587052 backwards is 250785124831
• The number of decimal digits it has is: 12
• The sum of 138421587052's digits is 46
• More coming soon!