398870521356242

Names of 398870521356242

• Cardinal: 398870521356242 can be written as Three hundred ninety-eight trillion, eight hundred seventy billion, five hundred twenty-one million, three hundred fifty-six thousand, two hundred forty-two.

Scientific notation

• Scientific notation: 3.98870521356242 × 10¹⁴

Factors of 398870521356242

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 536

Divisors of 398870521356242

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 13 26 53 67 106 134 401 689 802 871 1378 1742 3551 4489 5213 7102 8978 10426 21253 26867 42506 46163 53734 58357 92326 116714 160801 237917 276289 321602 349271 475834 552578 698542 1423951 1800089 2090413 2847902 3092921 3600178 4180826 6185842 8522453 10773667 17044906 18511363 21547334 23401157 37022726 46802314 64481201 95404717 110791889 128962402 140057671 190809434 221583778 280115342 571004351 721835689 838255613 1142008702 1240261321 1443671378 1676511226 2480522642 3417503653 4320240467 6835007306 7423056563 8640480934 9383863957 14846113126 18767727914 38257291517 44427547489 56163126071 76514583034 88855094978 112326252142 228972744751 289456111289 457945489502 497344789721 578912222578 994689579442 2976645681763 3762929446757 5953291363526 7525858893514 15341173898317 30682347796634 199435260678121 398870521356242
• Sum of all divisors σ(n): 668097086643504
• Sum of proper divisors (its aliquot sum) s(n): 269226565287262
• 398870521356242 is a deficient number, because the sum of its proper divisors (269226565287262) is less than itself. Its deficiency is 129643956068980

Bases of 398870521356242

• Binary: 1011010101100010101000111101111001001111111010010₂
• Hexadecimal: 0x16AC547BC9FD2
• Base-36: 3XDYL5VTG2

Squares and roots of 398870521356242

• 398870521356242 squared (398870521356242²) is 159097692807000305411072362564
• 398870521356242 cubed (398870521356242³) is 63459379676503444547424955224854816428524488
• The square root of 398870521356242 is 19971743.0725573375
• The cube root of 398870521356242 is 73611.2140135381

Scales and comparisons

• 398,870,521,356,242 seconds is equal to 12,682,848 years, 41 weeks, 1 day, 3 hours, 24 minutes, 2 seconds.
• To count from 1 to 398,870,521,356,242 would take you about thirty-one million, seven hundred seven thousand, one hundred twenty-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 398870521356242 cubic inches would be around 6134.3 feet tall.

Recreational maths with 398870521356242

• 398870521356242 backwards is 242653125078893
• The number of decimal digits it has is: 15
• The sum of 398870521356242's digits is 65
• More coming soon!