218994121384389

Names of 218994121384389

• Cardinal: 218994121384389 can be written as Two hundred eighteen trillion, nine hundred ninety-four billion, one hundred twenty-one million, three hundred eighty-four thousand, three hundred eighty-nine.

Scientific notation

• Scientific notation: 2.18994121384389 × 10¹⁴

Factors of 218994121384389

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 48026

Divisors of 218994121384389

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 13 27 39 43 117 127 129 351 381 387 559 1143 1161 1651 1677 2521 3429 4953 5031 5461 7563 14859 15093 16383 22689 32773 44577 45319 49149 68067 70993 98319 108403 135957 147447 212979 294957 320167 325209 407871 589147 638937 884871 960501 975627 1223613 1409239 1767441 1916811 1948717 2881503 2926881 4162171 4227717 5302323 5755513 5846151 8644509 12486513 12683151 13767181 15906969 17266539 17538453 25333321 37459539 38049453 41301543 51799617 52615359 74821669 75999963 112378617 114249199 123904629 155398851 178973353 224465007 227999889 247487059 342747597 371713887 536920059 673395021 683999667 742461177 1028242791 1485239587 1610760177 2020185063 2227383531 3084728373 3217331767 4455718761 4832280531 4912715557 6682150593 9651995301 13367156283 14509648273 14738146671 28955985903 40101468849 43528944819 44214440013 63865302241 86867957709 130586834457 132643320039 188625427549 191595906723 391760503371 565876282647 574787720169 623914875739 1697628847941 1724363160507 1871744627217 5092886543823 5615233881651 8110893384607 16845701644953 24332680153821 72998040461463 218994121384389
• Sum of all divisors σ(n): 360483720396800
• Sum of proper divisors (its aliquot sum) s(n): 141489599012411
• 218994121384389 is a deficient number, because the sum of its proper divisors (141489599012411) is less than itself. Its deficiency is 77504522371978

Bases of 218994121384389

• Binary: 110001110010110010001010110100000010000111000101₂
• Hexadecimal: 0xC72C8AD021C5
• Base-36: 25MKIDM0N9

Squares and roots of 218994121384389

• 218994121384389 squared (218994121384389²) is 47958425200920503501892903321
• 218994121384389 cubed (218994121384389³) is 10502613189854525159831089619509487055655869
• The square root of 218994121384389 is 14798449.9656007555
• The cube root of 218994121384389 is 60275.9622627549

Scales and comparisons

• 218,994,121,384,389 seconds is equal to 6,963,335 years, 34 weeks, 4 days, 16 hours, 33 minutes, 9 seconds.
• To count from 1 to 218,994,121,384,389 would take you about seventeen million, four hundred eight thousand, three hundred thirty-nine 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 218994121384389 cubic inches would be around 5023 feet tall.

Recreational maths with 218994121384389

• 218994121384389 backwards is 983483121499812
• The number of decimal digits it has is: 15
• The sum of 218994121384389's digits is 72
• More coming soon!