20729229885

Names of 20729229885

• Cardinal: 20729229885 can be written as Twenty billion, seven hundred twenty-nine million, two hundred twenty-nine thousand, eight hundred eighty-five.

Scientific notation

• Scientific notation: 2.0729229885 × 10¹⁰

Factors of 20729229885

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 191

Divisors of 20729229885

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 13 15 21 27 31 35 39 45 53 63 65 79 91 93 105 117 135 155 159 169 189 195 217 237 265 273 279 315 351 371 395 403 455 465 477 507 553 585 651 689 711 795 819 837 845 945 1027 1085 1113 1183 1185 1209 1365 1395 1431 1521 1643 1659 1755 1855 1953 2015 2067 2133 2385 2449 2457 2535 2765 2821 3081 3255 3339 3445 3549 3555 3627 4095 4185 4187 4563 4823 4929 4977 5135 5239 5565 5859 5915 6045 6201 7155 7189 7347 7605 8215 8295 8463 8957 9243 9765 10017 10335 10647 10665 10881 11501 12245 12285 12561 13351 14105 14469 14787 14931 15405 15717 16695 17143 17745 18135 18603 20935 21359 21567 22041 22815 24115 24645 24885 25389 26195 26871 27729 29295 29309 31005 31837 31941 34503 35945 36673 36735 37683 40053 42315 43407 44361 44785 46215 47151 50085 51429 53235 54405 54431 57505 62699 62805 64077 64701 66123 66755 72345 73935 74655 76167 78585 80613 85715 87927 93015 93457 95511 103509 106795 107835 110019 110205 113049 120159 126945 129797 130221 134355 138645 141453 146545 149513 154287 159185 159705 163293 172515 183365 188097 188415 192231 194103 200265 217035 221805 222859 235755 241839 257145 263781 272155 277667 280371 286533 310527 313495 320385 323505 330057 330615 360477 380835 381017 389391 403065 413881 439635 448539 462861 467285 477555 489879 517545 550095 564291 565245 576693 600795 648985 651105 668577 707265 707603 747565 771435 791343 816465 833001 841113 859599 908579 940485 961155 970515 990171 1114295 1143051 1168173 1209195 1241643 1318905 1345617 1388335 1401855 1432665 1469637 1552635 1650285 1687361 1692873 1802385 1905085 1943669 1946955 2005731 2069405 2122809 2242695 2314305 2449395 2499003 2523339 2725737 2821455 2883465 2897167 3342885 3429153 3504519 3538015 3724929 3956715 4036851 4165005 4205565 4297995 4542895 4950855 4953221 5062083 5715255 5831007 5840865 6017193 6208215 6368427 6728085 7348185 7497009 8177211 8436805 8464365 8691501 9718345 10028655 10287459 10614045 11174787 11811527 12495015 12616695 13628685 14485835 14859663 15186249 17145765 17493021 17522595 18624645 19105281 20184255 21935693 24531633 24766105 25310415 26074503 29155035 30085965 31842135 35434581 37485045 40886055 43457505 44578989 45558747 51437295 52479063 55873935 59057635 65807079 74298315 75931245 78223509 87465105 95526405 106303743 109678465 122658165 130372515 133736967 153549851 177172905 197421237 222894945 227793735 262395315 318911229 329035395 391117545 460649553 531518715 592263711 668684835 767749255 987106185 1381948659 1594556145 2303247765 2961318555 4145845977 6909743295 20729229885
• Sum of all divisors σ(n): 48572006400
• Sum of proper divisors (its aliquot sum) s(n): 27842776515
• 20729229885 is an abundant number, because the sum of its proper divisors (27842776515) is greater than itself. Its abundance is 7113546630

Bases of 20729229885

• Binary: 10011010011100011101111001000111101₂
• Hexadecimal: 0x4D38EF23D
• Base-36: 9ITNC59

Squares and roots of 20729229885

• 20729229885 squared (20729229885²) is 429700971625177113225
• 20729229885 cubed (20729229885³) is 8907370222626158433881698729125
• The square root of 20729229885 is 143976.4907372033
• The cube root of 20729229885 is 2747.0151585697

Scales and comparisons

• 20,729,229,885 seconds is equal to 659 years, 6 weeks, 3 days, 15 hours, 24 minutes, 45 seconds.
• To count from 1 to 20,729,229,885 would take you about one thousand, three hundred eighteen 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 20729229885 cubic inches would be around 228.9 feet tall.

Recreational maths with 20729229885

• 20729229885 backwards is 58892292702
• The number of decimal digits it has is: 11
• The sum of 20729229885's digits is 54
• More coming soon!