20388558939939

Names of 20388558939939

• Cardinal: 20388558939939 can be written as Twenty trillion, three hundred eighty-eight billion, five hundred fifty-eight million, nine hundred thirty-nine thousand, nine hundred thirty-nine.

Scientific notation

• Scientific notation: 2.0388558939939 × 10¹³

Factors of 20388558939939

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2460

Divisors of 20388558939939

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 17 51 83 153 249 289 747 867 1411 2357 2601 4233 4913 7071 12699 14739 21213 23987 40069 44217 71961 120207 195631 215883 360621 407779 586893 681173 1223337 1760679 2043519 3325727 3670011 5555449 6130557 9977181 11579941 16666347 29931543 34739823 49999041 56537359 94442633 104219469 169612077 283327899 461102267 508836231 849983697 961135103 1383306801 1605524761 2883405309 4149920403 4816574283 7838738539 8650215927 14449722849 23516215617 27293920937 70548646851 81881762811 133258555163 245645288433 399775665489 1199326996467 2265395437771 6796186313313 20388558939939
• Sum of all divisors σ(n): 31680833773680
• Sum of proper divisors (its aliquot sum) s(n): 11292274833741
• 20388558939939 is a deficient number, because the sum of its proper divisors (11292274833741) is less than itself. Its deficiency is 9096284106198

Bases of 20388558939939

• Binary: 100101000101100010100110100000010011100100011₂
• Hexadecimal: 0x128B14D02723
• Base-36: 786DHKQAR

Squares and roots of 20388558939939

• 20388558939939 squared (20388558939939²) is 415693335647366519409323721
• 20388558939939 cubed (20388558939939³) is 8475388074786178043285161313464646993019
• The square root of 20388558939939 is 4515369.1919862987
• The cube root of 20388558939939 is 27318.8351193373

Scales and comparisons

• 20,388,558,939,939 seconds is equal to 648,293 years, 5 weeks, 4 days, 10 hours, 25 minutes, 39 seconds.
• To count from 1 to 20,388,558,939,939 would take you about one million, six hundred twenty thousand, seven hundred thirty-two 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 20388558939939 cubic inches would be around 2276.6 feet tall.

Recreational maths with 20388558939939

• 20388558939939 backwards is 93993985588302
• The number of decimal digits it has is: 14
• The sum of 20388558939939's digits is 81
• More coming soon!