20729915193520

Names of 20729915193520

• Cardinal: 20729915193520 can be written as Twenty trillion, seven hundred twenty-nine billion, nine hundred fifteen million, one hundred ninety-three thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.072991519352 × 10¹³

Factors of 20729915193520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 133593

Divisors of 20729915193520

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 8 10 13 16 19 20 26 38 40 52 65 76 80 95 104 130 152 169 190 208 247 260 304 338 380 494 520 607 676 760 845 988 1040 1214 1235 1352 1520 1690 1976 2428 2470 2704 3035 3211 3380 3952 4856 4940 6070 6422 6760 7891 9712 9880 11533 12140 12844 13520 15782 16055 19760 23066 24280 25688 31564 32110 39455 46132 48560 51376 57665 63128 64220 78910 92264 102583 115330 126256 128440 132947 149929 157820 184528 205166 230660 256880 265894 299858 315640 410332 461320 512915 531788 599716 631280 664735 749645 820664 922640 1025830 1063576 1199432 1329470 1499290 1641328 1728311 1949077 2051660 2127152 2398864 2525993 2658940 2998580 3456622 3898154 4103320 5051986 5317880 5997160 6913244 7796308 8206640 8641555 9745385 10103972 10635760 11994320 12629965 13826488 15592616 17283110 19490770 20207944 22468043 25259930 27652976 31185232 32837909 34566220 38981540 40415888 44936086 50519860 65675818 69132440 77963080 80698829 89872172 101039720 112340215 131351636 138264880 155926160 161397658 164189545 179744344 202079440 224680430 262703272 322795316 328379090 359488688 403494145 426892817 449360860 525406544 645590632 656758180 806988290 853785634 898721720 1049084777 1291181264 1313516360 1533277751 1613976580 1707571268 1797443440 2098169554 2134464085 2627032720 3066555502 3227953160 3415142536 4196339108 4268928170 5245423885 6133111004 6455906320 6830285072 7666388755 8392678216 8537856340 10490847770 12266222008 13638102101 15332777510 16785356432 17075712680 19932610763 20981695540 24532444016 27276204202 30665555020 34151425360 39865221526 41963391080 54552408404 61331110040 68190510505 79730443052 83926782160 99663053815 109104816808 122662220080 136381021010 159460886104 199326107630 218209633616 259123939919 272762042020 318921772208 398652215260 518247879838 545524084040 797304430520 1036495759676 1091048168080 1295619699595 1594608861040 2072991519352 2591239399190 4145983038704 5182478798380 10364957596760 20729915193520
• Sum of all divisors σ(n): 55027453731840
• Sum of proper divisors (its aliquot sum) s(n): 34297538538320
• 20729915193520 is an abundant number, because the sum of its proper divisors (34297538538320) is greater than itself. Its abundance is 13567623344800

Bases of 20729915193520

• Binary: 100101101101010001111001110110011100010110000₂
• Hexadecimal: 0x12DA8F3B38B0
• Base-36: 7CJ6W9X9S

Squares and roots of 20729915193520

• 20729915193520 squared (20729915193520²) is 429729383930531339049990400
• 20729915193520 cubed (20729915193520³) is 8908253685043510941578906475770142208000
• The square root of 20729915193520 is 4553011.6619134637
• The cube root of 20729915193520 is 27470.4543035093

Scales and comparisons

• 20,729,915,193,520 seconds is equal to 659,147 years, 9 weeks, 2 days, 23 hours, 58 minutes, 40 seconds.
• To count from 1 to 20,729,915,193,520 would take you about one million, six hundred forty-seven thousand, eight hundred sixty-seven 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 20729915193520 cubic inches would be around 2289.2 feet tall.

Recreational maths with 20729915193520

• 20729915193520 backwards is 02539151992702
• The number of decimal digits it has is: 14
• The sum of 20729915193520's digits is 55
• More coming soon!