20647273920

Names of 20647273920

• Cardinal: 20647273920 can be written as Twenty billion, six hundred forty-seven million, two hundred seventy-three thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.064727392 × 10¹⁰

Factors of 20647273920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2018

Divisors of 20647273920

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 64 65 70 78 80 84 91 96 104 105 112 120 127 130 140 156 160 168 182 192 195 208 210 224 240 254 260 273 280 312 320 336 364 381 390 416 420 448 455 480 508 520 546 560 624 635 672 728 762 780 832 840 889 910 960 1016 1040 1092 1120 1248 1270 1344 1365 1456 1524 1560 1651 1680 1778 1820 1861 1905 2032 2080 2184 2240 2496 2540 2667 2730 2912 3048 3120 3302 3360 3556 3640 3722 3810 4064 4160 4368 4445 4953 5080 5334 5460 5583 5824 6096 6240 6604 6720 7112 7280 7444 7620 8128 8255 8736 8890 9305 9906 10160 10668 10920 11166 11557 12192 12480 13027 13208 13335 14224 14560 14888 15240 16510 17472 17780 18610 19812 20320 21336 21840 22332 23114 24193 24384 24765 26054 26416 26670 27915 28448 29120 29776 30480 33020 34671 35560 37220 39081 39624 40640 42672 43680 44664 46228 48386 49530 52108 52832 53340 55830 56896 57785 59552 60960 65135 66040 69342 71120 72579 74440 78162 79248 85344 87360 89328 92456 96772 99060 104216 105664 106680 111660 115570 119104 120965 121920 130270 132080 138684 142240 145158 148880 156324 158496 169351 170688 173355 178656 184912 193544 195405 198120 208432 213360 223320 231140 236347 241930 260540 264160 277368 284480 290316 297760 312648 316992 338702 346710 357312 362895 369824 387088 390810 396240 416864 426720 446640 462280 472694 483860 508053 521080 528320 554736 580632 595520 625296 677404 693420 709041 725790 739648 774176 781620 792480 833728 846755 853440 893280 924560 945388 967720 1016106 1042160 1109472 1161264 1181735 1250592 1354808 1386840 1418082 1451580 1548352 1563240 1584960 1654429 1693510 1786560 1849120 1890776 1935440 2032212 2084320 2218944 2322528 2363470 2501184 2540265 2709616 2773680 2836164 2903160 3072511 3126480 3308858 3387020 3545205 3698240 3781552 3870880 4064424 4168640 4645056 4726940 4963287 5080530 5419232 5547360 5672328 5806320 6145022 6252960 6617716 6774040 7090410 7563104 7741760 8128848 8272145 9217533 9453880 9926574 10161060 10838464 11094720 11344656 11612640 12290044 12505920 13235432 13548080 14180820 15126208 15362555 16257696 16544290 18435066 18907760 19853148 20322120 21507577 22689312 23225280 24580088 24816435 26470864 27096160 28361640 30725110 32515392 33088580 36870132 37815520 39706296 40644240 43015154 45378624 46087665 49160176 49632870 52941728 54192320 56723280 61450220 64522731 66177160 73740264 75631040 79412592 81288480 86030308 92175330 98320352 99265740 105883456 107537885 113446560 122900440 129045462 132354320 147480528 158825184 162576960 172060616 184350660 196640704 198531480 215075770 226893120 245800880 258090924 264708640 294961056 317650368 322613655 344121232 368701320 397062960 430151540 491601760 516181848 529417280 589922112 645227310 688242464 737402640 794125920 860303080 983203520 1032363696 1290454620 1376484928 1474805280 1588251840 1720606160 2064727392 2580909240 2949610560 3441212320 4129454784 5161818480 6882424640 10323636960 20647273920
• Sum of all divisors σ(n): 81362190336
• Sum of proper divisors (its aliquot sum) s(n): 60714916416
• 20647273920 is an abundant number, because the sum of its proper divisors (60714916416) is greater than itself. Its abundance is 40067642496

Bases of 20647273920

• Binary: 10011001110101011000110010111000000₂
• Hexadecimal: 0x4CEAC65C0
• Base-36: 9HGUQIO

Squares and roots of 20647273920

• 20647273920 squared (20647273920²) is 426309920327512166400
• 20647273920 cubed (20647273920³) is 8802137699815519811793420288000
• The square root of 20647273920 is 143691.5930734989
• The cube root of 20647273920 is 2743.3901383605

Scales and comparisons

• 20,647,273,920 seconds is equal to 656 years, 27 weeks, 1 hour, 52 minutes.
• To count from 1 to 20,647,273,920 would take you about one thousand, three hundred thirteen 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 20647273920 cubic inches would be around 228.6 feet tall.

Recreational maths with 20647273920

• 20647273920 backwards is 02937274602
• 20647273920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20647273920's digits is 42
• More coming soon!