18145438614

Names of 18145438614

• Cardinal: 18145438614 can be written as Eighteen billion, one hundred forty-five million, four hundred thirty-eight thousand, six hundred fourteen.

Scientific notation

• Scientific notation: 1.8145438614 × 10¹⁰

Factors of 18145438614

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 6413

Divisors of 18145438614

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 9 17 18 27 34 47 51 54 67 94 102 134 141 153 201 282 306 402 423 459 603 799 846 918 1139 1206 1269 1598 1809 2278 2397 2538 3149 3417 3618 4794 6277 6298 6834 7191 9447 10251 12554 14382 18831 18894 20502 21573 28341 30753 37662 43146 53533 56493 56682 61506 85023 106709 107066 112986 160599 169479 170046 213418 295019 320127 321198 338958 420559 481797 590038 640254 841118 885057 960381 963594 1261677 1445391 1770114 1920762 2523354 2655171 2881143 2890782 3785031 5015323 5310342 5762286 7149503 7570062 7965513 10030646 11355093 14299006 15045969 15931026 19766273 21448509 22710186 30091938 39532546 42897018 45137907 59298819 64345527 90275814 118597638 128691054 135413721 177896457 193036581 270827442 336026641 355792914 386073162 533689371 672053282 1008079923 1067378742 2016159846 3024239769 6048479538 9072719307 18145438614
• Sum of all divisors σ(n): 44261406720
• Sum of proper divisors (its aliquot sum) s(n): 26115968106
• 18145438614 is an abundant number, because the sum of its proper divisors (26115968106) is greater than itself. Its abundance is 7970529492

Bases of 18145438614

• Binary: 10000111001100011010110101110010110₂
• Hexadecimal: 0x4398D6B96
• Base-36: 8C3BQ1I

Squares and roots of 18145438614

• 18145438614 squared (18145438614²) is 329256942494442240996
• 18145438614 cubed (18145438614³) is 5974511638266229720161512219544
• The square root of 18145438614 is 134705.0058980733
• The cube root of 18145438614 is 2627.7809313649

Scales and comparisons

• 18,145,438,614 seconds is equal to 576 years, 50 weeks, 2 days, 15 hours, 36 minutes, 54 seconds.
• To count from 1 to 18,145,438,614 would take you about one thousand, one hundred fifty-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 18145438614 cubic inches would be around 219 feet tall.

Recreational maths with 18145438614

• 18145438614 backwards is 41683454181
• The number of decimal digits it has is: 11
• The sum of 18145438614's digits is 45
• More coming soon!