20855463909359520

Names of 20855463909359520

• Cardinal: 20855463909359520 can be written as Twenty quadrillion, eight hundred fifty-five trillion, four hundred sixty-three billion, nine hundred nine million, three hundred fifty-nine thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.085546390935952 × 10¹⁶

Factors of 20855463909359520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 200225267995

Divisors of 20855463909359520

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 31 32 35 40 42 48 56 60 62 70 80 84 93 96 105 112 120 124 140 155 160 168 186 210 217 224 240 248 280 310 336 372 420 434 465 480 496 560 620 651 672 744 840 868 930 992 1085 1120 1240 1302 1488 1680 1736 1860 2170 2480 2604 2976 3255 3360 3472 3720 4340 4960 5208 6510 6944 7440 8680 10416 13020 14880 17360 20832 26040 34720 52080 104160 200225267947 400450535894 600675803841 800901071788 1001126339735 1201351607682 1401576875629 1601802143576 2002252679470 2402703215364 2803153751258 3003379019205 3203604287152 4004505358940 4204730626887 4805406430728 5606307502516 6006758038410 6206983306357 6407208574304 7007884378145 8009010717880 8409461253774 9610812861456 11212615005032 12013516076820 12413966612714 14015768756290 16018021435760 16818922507548 18620949919071 19221625722912 21023653134435 22425230010064 24027032153640 24827933225428 28031537512580 31034916531785 32036042871520 33637845015096 37241899838142 42047306268870 43448883144499 44850460020128 48054064307280 49655866450856 56063075025160 62069833063570 67275690030192 74483799676284 84094612537740 86897766288998 93104749595355 96108128614560 99311732901712 112126150050320 124139666127140 130346649433497 134551380060384 148967599352568 168189225075480 173795532577996 186209499190710 198623465803424 217244415722495 224252300100640 248279332254280 260693298866994 297935198705136 336378450150960 347591065155992 372418998381420 434488831444990 496558664508560 521386597733988 595870397410272 651733247167485 672756900301920 695182130311984 744837996762840 868977662889980 993117329017120 1042773195467976 1303466494334970 1390364260623968 1489675993525680 1737955325779960 2085546390935952 2606932988669940 2979351987051360 3475910651559920 4171092781871904 5213865977339880 6951821303119840 10427731954679760 20855463909359520
• Sum of all divisors σ(n): 77501594915168256
• Sum of proper divisors (its aliquot sum) s(n): 56646131005808736
• 20855463909359520 is an abundant number, because the sum of its proper divisors (56646131005808736) is greater than itself. Its abundance is 35790667096449216

Bases of 20855463909359520

• Binary: 1001010000101111110111100010101111100010111111110100000₂
• Hexadecimal: 0x4A17EF15F17FA0
• Base-36: 5PCN7URIF1C

Squares and roots of 20855463909359520

• 20855463909359520 squared (20855463909359520²) is 434950374874597473050256614630400
• 20855463909359520 cubed (20855463909359520³) is 9071091845559561358877142253123856832325521408000
• The square root of 20855463909359520 is 144414209.5133284313
• The cube root of 20855463909359520 is 275258.0009981747

Scales and comparisons

• 20,855,463,909,359,520 seconds is equal to 663,139,242 years, 6 weeks, 6 days, 2 hours, 32 minutes.
• To count from 1 to 20,855,463,909,359,520 would take you about one billion, nine hundred eighty-nine million, four hundred seventeen thousand, seven hundred twenty-six 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 20855463909359520 cubic inches would be around 22938.2 feet tall.

Recreational maths with 20855463909359520

• 20855463909359520 backwards is 02595390936455802
• The number of decimal digits it has is: 17
• The sum of 20855463909359520's digits is 75
• More coming soon!