399390688011

Names of 399390688011

• Cardinal: 399390688011 can be written as Three hundred ninety-nine billion, three hundred ninety million, six hundred eighty-eight thousand and eleven.

Scientific notation

• Scientific notation: 3.99390688011 × 10¹¹

Factors of 399390688011

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 105

Divisors of 399390688011

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 17 21 31 47 51 93 119 141 217 289 329 357 527 651 799 867 961 987 1457 1581 2023 2209 2397 2883 3689 4371 5593 6069 6627 6727 8959 10199 11067 13583 15463 16337 16779 20181 24769 26877 29791 30597 37553 40749 45167 46389 49011 62713 68479 74307 89373 95081 112659 114359 135501 173383 188139 205437 208537 262871 277729 285243 316169 343077 421073 479353 506447 520149 625611 638401 767839 788613 833187 948507 1164143 1263219 1400177 1438059 1519341 1915203 1944103 2122849 2303517 2947511 3492429 3545129 4200531 4468807 5374873 5832309 6368547 8149001 8609599 8842533 9801239 10635387 13053263 13406421 14859943 16124619 19790431 23803009 24447003 25828797 29403717 36088433 39159789 44579829 59371293 60267193 65808319 71409027 91372841 108265299 138533017 166621063 180801579 197424957 252619031 274118523 404651153 415599051 460658233 499863189 613503361 757857093 1118741423 1213953459 1381974699 1840510083 2832558071 3356224269 4294523527 7831189961 8497674213 12883570581 19018604191 23493569883 57055812573 133130229337 399390688011
• Sum of all divisors σ(n): 682566490112
• Sum of proper divisors (its aliquot sum) s(n): 283175802101
• 399390688011 is a deficient number, because the sum of its proper divisors (283175802101) is less than itself. Its deficiency is 116214885910

Bases of 399390688011

• Binary: 101110011111101100010100100001100001011₂
• Hexadecimal: 0x5CFD8A430B
• Base-36: 53H6WJ63

Squares and roots of 399390688011

• 399390688011 squared (399390688011²) is 159512921669899939136121
• 399390688011 cubed (399390688011³) is 63707975532386087721102391171745331
• The square root of 399390688011 is 631973.6450288097
• The cube root of 399390688011 is 7364.3198884361

Scales and comparisons

• 399,390,688,011 seconds is equal to 12,699 years, 20 weeks, 1 day, 9 hours, 46 minutes, 51 seconds.
• To count from 1 to 399,390,688,011 would take you about twenty-five thousand, three hundred ninety-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 399390688011 cubic inches would be around 613.7 feet tall.

Recreational maths with 399390688011

• 399390688011 backwards is 110886093993
• The number of decimal digits it has is: 12
• The sum of 399390688011's digits is 57
• More coming soon!