20479728555

Names of 20479728555

• Cardinal: 20479728555 can be written as Twenty billion, four hundred seventy-nine million, seven hundred twenty-eight thousand, five hundred fifty-five.

Scientific notation

• Scientific notation: 2.0479728555 × 10¹⁰

Factors of 20479728555

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 141

Divisors of 20479728555

• Number of divisors d(n): 480
• Complete list of divisors:
  1 3 5 9 11 13 15 17 27 31 33 39 45 51 55 61 65 81 85 93 99 117 121 135 143 153 155 165 183 187 195 221 255 279 297 305 341 351 363 403 405 429 459 465 495 527 549 561 585 605 663 671 715 765 793 837 891 915 935 1023 1037 1053 1089 1105 1209 1287 1377 1395 1485 1573 1581 1647 1683 1705 1755 1815 1891 1989 2013 2015 2057 2145 2295 2379 2431 2511 2635 2745 2805 3069 3111 3267 3315 3355 3627 3751 3861 3965 4185 4433 4455 4719 4743 4941 5049 5115 5185 5265 5445 5673 5797 5967 6039 6045 6171 6435 6851 6885 7137 7293 7381 7865 7905 8235 8415 8723 9207 9333 9455 9801 9945 10065 10285 10881 11253 11407 11583 11895 12155 12555 13299 13481 14157 14229 15147 15345 15555 16335 17019 17391 17901 18117 18135 18513 18755 19305 20553 20801 21411 21879 22143 22165 23595 23715 24583 24705 25245 26169 26741 27621 27999 28365 28985 29835 30195 30855 32147 32643 33759 34221 34255 35685 36465 36905 39897 40443 42471 42687 43615 46035 46665 48763 49005 51057 52173 54351 54405 55539 56265 57035 57915 61659 62403 63767 64233 65637 66429 66495 67405 70785 71145 73749 75361 75735 78507 80223 83997 85095 86955 89505 90585 92565 95953 96441 101277 102663 102765 104005 107055 109395 110715 119691 121329 122915 125477 127413 130845 133705 138105 139995 146289 148291 153171 156519 160735 163215 166617 168795 171105 184977 187209 191301 196911 199287 199485 202215 212355 213435 221247 226083 228811 235521 240669 243815 255285 260865 270413 271755 277695 287859 289323 303831 307989 308295 312015 318835 321165 328185 332145 353617 359073 363987 368745 376431 376805 392535 401115 417911 419985 438867 444873 469557 479765 482205 506385 513315 554931 561627 573903 597861 598455 606645 627385 637065 663741 678249 686433 706563 722007 731445 741455 765855 782595 811239 828971 833085 863577 867969 923967 924885 936045 956505 984555 996435 1060851 1091961 1106235 1129293 1130415 1144055 1177605 1203345 1253733 1316601 1334619 1352065 1439295 1446615 1519155 1539945 1631201 1684881 1721709 1768085 1795365 1819935 1882155 1991223 2034747 2059299 2089555 2166021 2194335 2224365 2347785 2433717 2486913 2590731 2603907 2774655 2808135 2869515 2974543 2989305 3182553 3318705 3387879 3391245 3432165 3532815 3610035 3761199 3889787 3949803 4003857 4056195 4144855 4317885 4339845 4597021 4619835 4893603 5165127 5304255 5459805 5646465 6104241 6177897 6268665 6583005 6673095 7301151 7460739 7772193 8156005 8424405 8608545 8923629 9547659 9956115 10163637 10173735 10296495 10830105 11283597 11669361 12011571 12168585 12434565 12953655 13019535 13791063 14680809 14872715 15912765 16939395 18533691 18805995 19448935 19749015 20019285 21903453 22382217 22985105 24468015 25825635 26770887 28642977 30521205 30889485 33850791 35008083 36505755 37303695 38860965 41373189 44042427 44618145 47738295 50567231 50818185 56417985 58346805 60057855 67146651 68955315 73404045 80312661 92668455 105024249 109517265 111911085 124119567 132127281 133854435 143214885 151701693 169253955 175040415 206865945 220212135 240937983 252836155 315072747 335733255 372358701 401563305 455105079 525121245 620597835 660636405 758508465 1204689915 1365315237 1575363735 1861793505 2275525395 4095945711 6826576185 20479728555
• Sum of all divisors σ(n): 48275910144
• Sum of proper divisors (its aliquot sum) s(n): 27796181589
• 20479728555 is an abundant number, because the sum of its proper divisors (27796181589) is greater than itself. Its abundance is 7316453034

Bases of 20479728555

• Binary: 10011000100101011111101101110101011₂
• Hexadecimal: 0x4C4AFDBAB
• Base-36: 9EP3NOR

Squares and roots of 20479728555

• 20479728555 squared (20479728555²) is 419419281686482388025
• 20479728555 cubed (20479728555³) is 8589593039672241919540182553875
• The square root of 20479728555 is 143107.4021670437
• The cube root of 20479728555 is 2735.9494270143

Scales and comparisons

• 20,479,728,555 seconds is equal to 651 years, 9 weeks, 6 days, 21 hours, 29 minutes, 15 seconds.
• To count from 1 to 20,479,728,555 would take you about one thousand, three hundred two 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 20479728555 cubic inches would be around 228 feet tall.

Recreational maths with 20479728555

• 20479728555 backwards is 55582797402
• The number of decimal digits it has is: 11
• The sum of 20479728555's digits is 54
• More coming soon!