13187785842

Names of 13187785842

• Cardinal: 13187785842 can be written as Thirteen billion, one hundred eighty-seven million, seven hundred eighty-five thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.3187785842 × 10¹⁰

Factors of 13187785842

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2946

Divisors of 13187785842

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 11 14 18 21 22 33 42 43 63 66 77 79 86 99 126 129 154 158 198 231 237 258 301 387 462 473 474 553 602 693 711 774 869 903 946 1106 1386 1419 1422 1659 1738 1806 2607 2709 2801 2838 3311 3318 3397 4257 4977 5214 5418 5602 6083 6622 6794 7821 8403 8514 9933 9954 10191 12166 15642 16806 18249 19607 19866 20382 23779 25209 29799 30573 30811 36498 37367 39214 47558 50418 54747 58821 59598 61146 61622 71337 74734 92433 109494 112101 117642 120443 142674 176463 184866 214011 215677 221279 224202 240886 261569 277299 336303 352926 361329 428022 431354 442558 523138 554598 647031 663837 672606 722658 784707 843101 1083987 1294062 1324873 1327674 1548953 1569414 1686202 1941093 1991511 2167974 2354121 2434069 2529303 2649746 3097906 3882186 3974619 3983022 4646859 4708242 4868138 5058606 7302207 7587909 7949238 9274111 9293718 9514997 11923857 13940577 14604414 15175818 17038483 18548222 19029994 21906621 23847714 27822333 27881154 28544991 34076966 43813242 51115449 55644666 57089982 66604979 83466999 85634973 102230898 104664967 133209958 153346347 166933998 171269946 199814937 209329934 306692694 313994901 399629874 599444811 627989802 732654769 941984703 1198889622 1465309538 1883969406 2197964307 4395928614 6593892921 13187785842
• Sum of all divisors σ(n): 36927221760
• Sum of proper divisors (its aliquot sum) s(n): 23739435918
• 13187785842 is an abundant number, because the sum of its proper divisors (23739435918) is greater than itself. Its abundance is 10551650076

Bases of 13187785842

• Binary: 1100010010000011011010010001110010₂
• Hexadecimal: 0x3120DA472
• Base-36: 623O0OI

Squares and roots of 13187785842

• 13187785842 squared (13187785842²) is 173917695414455648964
• 13187785842 cubed (13187785842³) is 2293589321260026529544361167688
• The square root of 13187785842 is 114838.0853288663
• The cube root of 13187785842 is 2362.6023339565

Scales and comparisons

• 13,187,785,842 seconds is equal to 419 years, 17 weeks, 1 day, 9 hours, 50 minutes, 42 seconds.
• To count from 1 to 13,187,785,842 would take you about eight hundred thirty-eight 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 13187785842 cubic inches would be around 196.9 feet tall.

Recreational maths with 13187785842

• 13187785842 backwards is 24858778131
• The number of decimal digits it has is: 11
• The sum of 13187785842's digits is 54
• More coming soon!