389707108945

Names of 389707108945

• Cardinal: 389707108945 can be written as Three hundred eighty-nine billion, seven hundred seven million, one hundred eight thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 3.89707108945 × 10¹¹

Factors of 389707108945

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3384

Divisors of 389707108945

• Number of divisors d(n): 144
• Complete list of divisors:
  1 5 7 11 17 35 49 55 77 85 119 157 187 245 289 385 539 595 785 833 935 1099 1309 1445 1727 2023 2669 2695 3179 3187 4165 5495 6545 7693 8635 9163 10115 12089 13345 14161 15895 15935 18683 22253 22309 29359 35057 38465 45373 45815 54179 60445 70805 84623 93415 111265 111545 130781 146795 155771 156163 175285 205513 226865 245399 270895 317611 379253 423115 499103 500359 595969 653905 778855 780815 921043 1027565 1226995 1438591 1588055 1717793 1896265 2223277 2495515 2501795 2654771 2979845 3493721 3502513 4171783 4605215 5503949 6447301 7192955 8506103 8588965 10131473 11116385 13273855 17468605 17512565 20858915 24456047 24517591 27519745 29202481 32236505 38527643 42530515 45131107 50657365 59542721 70920311 93567133 122280235 122587955 144603751 146012405 192638215 225655535 269693501 297713605 354601555 416799047 467835665 496442177 654969931 723018755 1012226257 1348467505 1590641261 2083995235 2482210885 3274849655 4584789517 5061131285 7085583799 7953206305 11134488827 22923947585 35427918995 55672444135 77941421789 389707108945
• Sum of all divisors σ(n): 634630773312
• Sum of proper divisors (its aliquot sum) s(n): 244923664367
• 389707108945 is a deficient number, because the sum of its proper divisors (244923664367) is less than itself. Its deficiency is 144783444578

Bases of 389707108945

• Binary: 101101010111100010110101001001001010001₂
• Hexadecimal: 0x5ABC5A9251
• Base-36: 4Z11JTQP

Squares and roots of 389707108945

• 389707108945 squared (389707108945²) is 151871630762270099013025
• 389707108945 cubed (389707108945³) is 59185454155126806871584870649008625
• The square root of 389707108945 is 624265.2552761527
• The cube root of 389707108945 is 7304.3141381531

Scales and comparisons

• 389,707,108,945 seconds is equal to 12,391 years, 24 weeks, 6 days, 22 hours, 42 minutes, 25 seconds.
• To count from 1 to 389,707,108,945 would take you about twenty-four thousand, seven hundred eighty-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 389707108945 cubic inches would be around 608.7 feet tall.

Recreational maths with 389707108945

• 389707108945 backwards is 549801707983
• The number of decimal digits it has is: 12
• The sum of 389707108945's digits is 61
• More coming soon!