389394013968

Names of 389394013968

• Cardinal: 389394013968 can be written as Three hundred eighty-nine billion, three hundred ninety-four million, thirteen thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.89394013968 × 10¹¹

Factors of 389394013968

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 93245727

Divisors of 389394013968

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 29 36 48 58 72 87 116 144 174 232 261 348 464 522 696 1044 1392 2088 4176 93245693 186491386 279737079 372982772 559474158 745965544 839211237 1118948316 1491931088 1678422474 2237896632 2704125097 3356844948 4475793264 5408250194 6713689896 8112375291 10816500388 13427379792 16224750582 21633000776 24337125873 32449501164 43266001552 48674251746 64899002328 97348503492 129798004656 194697006984 389394013968
• Sum of all divisors σ(n): 1127340440460
• Sum of proper divisors (its aliquot sum) s(n): 737946426492
• 389394013968 is an abundant number, because the sum of its proper divisors (737946426492) is greater than itself. Its abundance is 348552412524

Bases of 389394013968

• Binary: 101101010101001101100010001111100010000₂
• Hexadecimal: 0x5AA9B11F10
• Base-36: 4YVV5440

Squares and roots of 389394013968

• 389394013968 squared (389394013968²) is 151627698114110979105024
• 389394013968 cubed (389394013968³) is 59042917997381817855523871594975232
• The square root of 389394013968 is 624014.4341022891
• The cube root of 389394013968 is 7302.3574919607

Scales and comparisons

• 389,394,013,968 seconds is equal to 12,381 years, 27 weeks, 2 days, 3 hours, 52 minutes, 48 seconds.
• To count from 1 to 389,394,013,968 would take you about twenty-four thousand, seven hundred sixty-three 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 389394013968 cubic inches would be around 608.5 feet tall.

Recreational maths with 389394013968

• 389394013968 backwards is 869310493983
• The number of decimal digits it has is: 12
• The sum of 389394013968's digits is 63
• More coming soon!