20308617420

Names of 20308617420

• Cardinal: 20308617420 can be written as Twenty billion, three hundred eight million, six hundred seventeen thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.030861742 × 10¹⁰

Factors of 20308617420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5392

Divisors of 20308617420

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 35 39 42 49 52 60 65 70 78 84 91 98 101 105 130 140 147 156 182 195 196 202 210 245 260 273 294 303 364 390 404 420 455 490 505 546 588 606 637 707 735 780 910 980 1010 1092 1212 1274 1313 1365 1414 1470 1515 1820 1911 2020 2121 2548 2626 2730 2828 2940 3030 3185 3535 3822 3939 4242 4949 5252 5261 5460 6060 6370 6565 7070 7644 7878 8484 9191 9555 9898 10522 10605 12740 13130 14140 14847 15756 15783 18382 19110 19695 19796 21044 21210 24745 26260 26305 27573 29694 31566 36764 36827 38220 39390 42420 45955 49490 52610 55146 59388 63132 64337 68393 73654 74235 78780 78915 91910 98980 105220 110292 110481 128674 136786 137865 147308 148470 157830 183820 184135 193011 205179 220962 257348 257789 273572 275730 296940 315660 321685 341965 368270 386022 410358 441924 478751 515578 531361 551460 552405 643370 683930 736540 772044 773367 820716 957502 965055 1025895 1031156 1062722 1104810 1286740 1288945 1367860 1436253 1546734 1594083 1915004 1930110 2051790 2125444 2209620 2393755 2577890 2656805 2872506 3093468 3188166 3351257 3719527 3860220 3866835 4103580 4787510 5155780 5313610 5745012 6376332 6702514 6907693 7181265 7439054 7733670 7970415 9575020 10053771 10627220 11158581 13405028 13815386 14362530 14878108 15467340 15940830 16756285 18597635 20107542 20723079 22317162 26036689 27630772 28725060 31881660 33512570 34538465 37195270 40215084 41446158 44634324 48353851 50268855 52073378 55792905 67025140 69076930 74390540 78110067 82892316 96707702 100537710 103615395 104146756 111585810 130183445 138153860 145061553 156220134 193415404 201075420 207230790 223171620 241769255 260366890 290123106 312440268 338476957 390550335 414461580 483538510 520733780 580246212 676953914 725307765 781100670 967077020 1015430871 1353907828 1450615530 1562201340 1692384785 2030861742 2901231060 3384769570 4061723484 5077154355 6769539140 10154308710 20308617420
• Sum of all divisors σ(n): 71955366336
• Sum of proper divisors (its aliquot sum) s(n): 51646748916
• 20308617420 is an abundant number, because the sum of its proper divisors (51646748916) is greater than itself. Its abundance is 31338131496

Bases of 20308617420

• Binary: 10010111010011111001110100011001100₂
• Hexadecimal: 0x4BA7CE8CC
• Base-36: 9BV85HO

Squares and roots of 20308617420

• 20308617420 squared (20308617420²) is 412439941511927456400
• 20308617420 cubed (20308617420³) is 8376084980892911078821330488000
• The square root of 20308617420 is 142508.3064947443
• The cube root of 20308617420 is 2728.3083536961

Scales and comparisons

• 20,308,617,420 seconds is equal to 645 years, 39 weeks, 10 hours, 37 minutes.
• To count from 1 to 20,308,617,420 would take you about one thousand, two hundred ninety-one 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 20308617420 cubic inches would be around 227.4 feet tall.

Recreational maths with 20308617420

• 20308617420 backwards is 02471680302
• The number of decimal digits it has is: 11
• The sum of 20308617420's digits is 33
• More coming soon!