13215815620551

Names of 13215815620551

• Cardinal: 13215815620551 can be written as Thirteen trillion, two hundred fifteen billion, eight hundred fifteen million, six hundred twenty thousand, five hundred fifty-one.

Scientific notation

• Scientific notation: 1.3215815620551 × 10¹³

Factors of 13215815620551

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 20112

Divisors of 13215815620551

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 27 29 31 61 87 93 183 261 279 457 549 783 837 899 1371 1647 1769 1891 2697 4113 5307 5673 8091 12339 13253 14167 15921 17019 19531 24273 27877 39759 42501 47763 51057 54839 58593 83631 119277 127503 164517 175779 250893 357831 382509 410843 493551 527337 566399 605461 752679 808433 864187 1191391 1232529 1480653 1699197 1816383 2425299 2592561 3574173 3697587 5097591 5449149 7275897 7777683 8925667 10722519 11092761 15292773 16347447 17558369 21827691 23333049 25061423 26777001 32167557 34550339 36933121 52675107 75184269 80331003 103651017 110799363 158025321 225552807 240993009 258844343 276695677 310953051 332398089 474075963 544465687 676658421 776533029 830087031 932859153 997194267 1071060509 1633397061 2329599087 2490261093 3213181527 4900191183 6988797261 7470783279 8024174633 9639544581 14700573549 15789504923 16878436297 24072523899 28918633743 47368514769 50635308891 72217571697 142105544307 151905926673 216652715091 426316632921 455717780019 489474652613 1468423957839 4405271873517 13215815620551
• Sum of all divisors σ(n): 21297817804800
• Sum of proper divisors (its aliquot sum) s(n): 8082002184249
• 13215815620551 is a deficient number, because the sum of its proper divisors (8082002184249) is less than itself. Its deficiency is 5133813436302

Bases of 13215815620551

• Binary: 11000000010100001011111111101101011111000111₂
• Hexadecimal: 0xC050BFED7C7
• Base-36: 4ON9FEC3R

Squares and roots of 13215815620551

• 13215815620551 squared (13215815620551²) is 174657782516399813213543601
• 13215815620551 cubed (13215815620551³) is 2308245050431035995799168214727510144151
• The square root of 13215815620551 is 3635356.3264900183
• The cube root of 13215815620551 is 23642.7500184847

Scales and comparisons

• 13,215,815,620,551 seconds is equal to 420,222 years, 2 weeks, 6 days, 22 hours, 35 minutes, 51 seconds.
• To count from 1 to 13,215,815,620,551 would take you about one million, fifty thousand, five hundred fifty-five 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 13215815620551 cubic inches would be around 1970.2 feet tall.

Recreational maths with 13215815620551

• 13215815620551 backwards is 15502651851231
• The number of decimal digits it has is: 14
• The sum of 13215815620551's digits is 45
• More coming soon!