20421864905099040

Names of 20421864905099040

• Cardinal: 20421864905099040 can be written as Twenty quadrillion, four hundred twenty-one trillion, eight hundred sixty-four billion, nine hundred five million, ninety-nine thousand and forty.

Scientific notation

• Scientific notation: 2.042186490509904 × 10¹⁶

Factors of 20421864905099040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 916673372

Divisors of 20421864905099040

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 191 216 240 243 270 288 324 360 382 405 432 480 486 540 573 648 720 729 764 810 864 955 972 1080 1146 1215 1296 1440 1458 1528 1620 1719 1910 1944 2160 2292 2430 2592 2865 2916 3056 3240 3438 3645 3820 3888 4320 4584 4860 5157 5730 5832 6112 6480 6876 7290 7640 7776 8595 9168 9720 10314 11460 11664 12960 13752 14580 15280 15471 17190 18336 19440 20628 22920 23328 25785 27504 29160 30560 30942 34380 38880 41256 45840 46413 51570 55008 58320 61884 68760 77355 82512 91680 92826 103140 116640 123768 137520 139239 154710 165024 185652 206280 232065 247536 275040 278478 309420 371304 412560 464130 495072 556956 618840 696195 742608 825120 928260 1113912 1237680 1392390 1485216 1856520 2227824 2475360 2784780 3713040 4455648 5569560 7426080 11139120 22278240 916673171 1833346342 2750019513 3666692684 4583365855 5500039026 7333385368 8250058539 9166731710 11000078052 13750097565 14666770736 16500117078 18333463420 22000156104 24750175617 27500195130 29333541472 33000234156 36666926840 41250292695 44000312208 49500351234 55000390260 66000468312 73333853680 74250526851 82500585390 88000624416 99000702468 110000780520 123750878085 132000936624 146667707360 148501053702 165001170780 175084575661 198001404936 220001561040 222751580553 247501756170 264001873248 297002107404 330002341560 350169151322 371252634255 396002809872 440003122080 445503161106 495003512340 525253726983 594004214808 660004683120 668254741659 700338302644 742505268510 792005619744 875422878305 891006322212 990007024680 1050507453966 1113757902765 1188008429616 1320009366240 1336509483318 1400676605288 1485010537020 1575761180949 1750845756610 1782012644424 1980014049360 2101014907932 2227515805530 2376016859232 2626268634915 2673018966636 2801353210576 2970021074040 3151522361898 3341273708295 3501691513220 3564025288848 3960028098720 4202029815864 4455031611060 4727283542847 5252537269830 5346037933272 5602706421152 5940042148080 6303044723796 6682547416590 7003383026440 7128050577696 7878805904745 8404059631728 8910063222120 9454567085694 10505074539660 10692075866544 11880084296160 12606089447592 13365094833180 14006766052880 14181850628541 15757611809490 16808119263456 17820126444240 18909134171388 21010149079320 21384151733088 23636417714235 25212178895184 26730189666360 28013532105760 28363701257082 31515223618980 35640252888480 37818268342776 42020298158640 42545551885623 47272835428470 50424357790368 53460379332720 56727402514164 63030447237960 70909253142705 75636536685552 84040596317280 85091103771246 94545670856940 106920758665440 113454805028328 126060894475920 127636655656869 141818506285410 151273073371104 170182207542492 189091341713880 212727759428115 226909610056656 252121788951840 255273311313738 283637012570820 340364415084984 378182683427760 425455518856230 453819220113312 510546622627476 567274025141640 638183278284345 680728830169968 756365366855520 850911037712460 1021093245254952 1134548050283280 1276366556568690 1361457660339936 1701822075424920 2042186490509904 2269096100566560 2552733113137380 3403644150849840 4084372981019808 5105466226274760 6807288301699680 10210932452549520 20421864905099040
• Sum of all divisors σ(n): 72715620039261696
• Sum of proper divisors (its aliquot sum) s(n): 52293755134162656
• 20421864905099040 is an abundant number, because the sum of its proper divisors (52293755134162656) is greater than itself. Its abundance is 31871890229063616

Bases of 20421864905099040

• Binary: 1001000100011011001001111110011010100011100011100100000₂
• Hexadecimal: 0x488D93F351C720
• Base-36: 5L2Y37ZKI00

Squares and roots of 20421864905099040

• 20421864905099040 squared (20421864905099040²) is 417052566202115822025392208921600
• 20421864905099040 cubed (20421864905099040³) is 8516991165304483128722240721249845780819595264000
• The square root of 20421864905099040 is 142905090.5499836979
• The cube root of 20421864905099040 is 273337.0269243879

Scales and comparisons

• 20,421,864,905,099,040 seconds is equal to 649,352,135 years, 2 days, 8 hours, 24 minutes.
• To count from 1 to 20,421,864,905,099,040 would take you about one billion, nine hundred forty-eight million, fifty-six thousand, four hundred 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 20421864905099040 cubic inches would be around 22778.1 feet tall.

Recreational maths with 20421864905099040

• 20421864905099040 backwards is 04099050946812402
• The number of decimal digits it has is: 17
• The sum of 20421864905099040's digits is 63
• More coming soon!