389681643897

Names of 389681643897

• Cardinal: 389681643897 can be written as Three hundred eighty-nine billion, six hundred eighty-one million, six hundred forty-three thousand, eight hundred ninety-seven.

Scientific notation

• Scientific notation: 3.89681643897 × 10¹¹

Factors of 389681643897

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 20780

Divisors of 389681643897

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 13 17 21 39 51 63 91 117 119 153 221 273 357 663 819 1071 1451 1547 1989 4353 4641 10157 13059 13923 18863 19289 24667 30471 56589 57867 74001 91413 132041 135023 169767 172669 173601 222003 250757 320671 327913 396123 405069 518007 752271 962013 983739 1188369 1215207 1554021 1755299 2244697 2256813 2295391 2886039 2951217 4262869 5265897 6734091 6886173 12788607 15797691 20202273 20658519 27988339 29840083 38365821 83965017 89520249 195918373 251895051 268560747 363848407 475801763 587755119 1091545221 1427405289 1763265357 2546938849 3274635663 3330612341 4282215867 6185422919 7640816547 9991837023 18556268757 22922449641 29975511069 43297960433 55668806271 129893881299 389681643897
• Sum of all divisors σ(n): 734061968640
• Sum of proper divisors (its aliquot sum) s(n): 344380324743
• 389681643897 is a deficient number, because the sum of its proper divisors (344380324743) is less than itself. Its deficiency is 45301319154

Bases of 389681643897

• Binary: 101101010111010110101100000000101111001₂
• Hexadecimal: 0x5ABAD60179
• Base-36: 4Z0ME0S9

Squares and roots of 389681643897

• 389681643897 squared (389681643897²) is 151851783590268317346609
• 389681643897 cubed (389681643897³) is 59173852658147246594942676258495273
• The square root of 389681643897 is 624244.8589271683
• The cube root of 389681643897 is 7304.1550368201

Scales and comparisons

• 389,681,643,897 seconds is equal to 12,390 years, 34 weeks, 6 days, 5 hours, 4 minutes, 57 seconds.
• To count from 1 to 389,681,643,897 would take you about twenty-four thousand, seven hundred eighty-one 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 389681643897 cubic inches would be around 608.7 feet tall.

Recreational maths with 389681643897

• 389681643897 backwards is 798346186983
• The number of decimal digits it has is: 12
• The sum of 389681643897's digits is 72
• More coming soon!