20720840249835

Names of 20720840249835

• Cardinal: 20720840249835 can be written as Twenty trillion, seven hundred twenty billion, eight hundred forty million, two hundred forty-nine thousand, eight hundred thirty-five.

Scientific notation

• Scientific notation: 2.0720840249835 × 10¹³

Factors of 20720840249835

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 88877

Divisors of 20720840249835

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 11 15 19 33 37 45 55 57 61 95 99 111 121 165 171 183 185 209 285 305 333 363 407 495 549 555 605 627 671 703 855 915 1045 1089 1159 1221 1665 1815 1881 2013 2035 2109 2257 2299 2745 3135 3355 3477 3515 3663 4477 5445 5795 6039 6105 6327 6771 6897 7381 7733 9405 10065 10431 10545 11285 11495 12749 13431 17385 18315 20313 20691 22143 22385 23199 24827 30195 31635 33855 34485 36905 38247 38665 40293 42883 52155 63745 66429 67155 69597 74481 85063 88741 101565 103455 110715 114741 115995 124135 128649 140239 191235 201465 214415 223443 255189 266223 273097 332145 347985 372405 385947 420717 425315 443705 471713 573705 643245 701195 765567 798669 819291 976151 1117215 1262151 1275945 1331115 1365485 1415139 1686079 1929735 2103585 2358565 2457873 2928453 3283417 3827835 3993345 4096455 4245417 4880755 5058237 5188843 5413201 6310755 7075695 8430395 8785359 9850251 10737661 12289365 14642265 15174711 15566529 16239603 16417085 18546869 21227085 25291185 25944215 27066005 29550753 32212983 36117587 43926795 46699587 48718809 49251255 53688305 55640607 59545211 62384923 75873555 77832645 81198015 92734345 96638949 102850819 108352761 147753765 161064915 166921821 178635633 180587935 187154769 200288437 204015559 233497935 243594045 278203035 297726055 308552457 311924615 325058283 397293457 483194745 514254095 535906899 541763805 561464307 600865311 612046677 654997321 686234153 834609105 893178165 925657371 935773845 1001442185 1020077795 1131359009 1191880371 1542762285 1625291415 1802595933 1836140031 1964991963 1986467285 2058702459 2203172807 2679534495 2807321535 3004326555 3060233385 3274986605 3394077027 3431170765 3575641113 3805480303 4628286855 5656795045 5894975889 5959401855 6176107377 6609518421 7548575683 9012979665 9180700155 9824959815 10182231081 10293512295 11015864035 11416440909 12444949099 16970385135 17878205565 19027401515 19828555263 22645727049 24234900877 29474879445 30880536885 33047592105 34249322727 37334847297 37742878415 41860283333 50911155405 57082204545 62224745495 67937181147 72704702631 99142776315 112004541891 113228635245 121174504385 125580849999 171246613635 186674236485 209301416665 218114107893 339685905735 363523513155 376742549997 460463116663 560022709455 627904249995 1090570539465 1381389349989 1883712749985 2302315583315 4144168049967 6906946749945 20720840249835
• Sum of all divisors σ(n): 43379120016960
• Sum of proper divisors (its aliquot sum) s(n): 22658279767125
• 20720840249835 is an abundant number, because the sum of its proper divisors (22658279767125) is greater than itself. Its abundance is 1937439517290

Bases of 20720840249835

• Binary: 100101101100001110010010100101001000111101011₂
• Hexadecimal: 0x12D8725291EB
• Base-36: 7CF0TADWR

Squares and roots of 20720840249835

• 20720840249835 squared (20720840249835²) is 429353220659182185217527225
• 20720840249835 cubed (20720840249835³) is 8896559496031070474129528068689914257875
• The square root of 20720840249835 is 4552014.9659063073
• The cube root of 20720840249835 is 27466.4451343127

Scales and comparisons

• 20,720,840,249,835 seconds is equal to 658,858 years, 32 weeks, 3 days, 22 hours, 17 minutes, 15 seconds.
• To count from 1 to 20,720,840,249,835 would take you about one million, six hundred forty-seven thousand, one hundred forty-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 20720840249835 cubic inches would be around 2288.9 feet tall.

Recreational maths with 20720840249835

• 20720840249835 backwards is 53894204802702
• The number of decimal digits it has is: 14
• The sum of 20720840249835's digits is 54
• More coming soon!