20990993184

Names of 20990993184

• Cardinal: 20990993184 can be written as Twenty billion, nine hundred ninety million, nine hundred ninety-three thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 2.0990993184 × 10¹⁰

Factors of 20990993184

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 720

Divisors of 20990993184

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 72 81 84 89 96 98 108 112 126 144 147 162 168 178 189 196 216 224 243 252 267 288 294 324 336 356 378 392 432 441 486 504 534 567 588 619 623 648 672 712 756 784 801 864 882 972 1008 1068 1134 1176 1238 1246 1296 1323 1424 1512 1568 1602 1701 1764 1857 1869 1944 2016 2136 2268 2352 2403 2476 2492 2592 2646 2848 3024 3204 3402 3528 3714 3738 3888 3969 4272 4333 4361 4536 4704 4806 4952 4984 5292 5571 5607 6048 6408 6804 7056 7209 7428 7476 7776 7938 8544 8666 8722 9072 9612 9904 9968 10584 11142 11214 11907 12816 12999 13083 13608 14112 14418 14856 14952 15876 16713 16821 17332 17444 18144 19224 19808 19936 21168 21627 22284 22428 23814 25632 25998 26166 27216 28836 29712 29904 30331 31752 33426 33642 34664 34888 38448 38997 39249 42336 43254 44568 44856 47628 50139 50463 51996 52332 54432 55091 57672 59424 59808 60662 63504 66852 67284 69328 69776 76896 77994 78498 86508 89136 89712 90993 95256 100278 100926 103992 104664 110182 115344 116991 117747 121324 127008 133704 134568 138656 139552 150417 151389 155988 156996 165273 173016 178272 179424 181986 190512 200556 201852 207984 209328 220364 230688 233982 235494 242648 267408 269136 272979 300834 302778 311976 313992 330546 346032 350973 353241 363972 381024 385637 401112 403704 415968 418656 440728 467964 470988 485296 495819 534816 538272 545958 601668 605556 623952 627984 661092 692064 701946 706482 727944 771274 802224 807408 818937 881456 935928 941976 970592 991638 1052919 1059723 1091916 1156911 1203336 1211112 1247904 1255968 1322184 1403892 1412964 1455888 1487457 1542548 1604448 1614816 1637874 1762912 1871856 1883952 1983276 2105838 2119446 2183832 2313822 2406672 2422224 2456811 2644368 2699459 2807784 2825928 2911776 2974914 3085096 3275748 3470733 3743712 3767904 3966552 4211676 4238892 4367664 4462371 4627644 4813344 4844448 4913622 5288736 5398918 5615568 5651856 5949828 6170192 6551496 6941466 7370433 7933104 8098377 8423352 8477784 8735328 8924742 9255288 9827244 10412199 10797836 11231136 11303712 11899656 12340384 13102992 13387113 13882932 14740866 15866208 16196754 16846704 16955568 17849484 18510576 19654488 20824398 21595672 23799312 24295131 26205984 26774226 27765864 29481732 31236597 32393508 33693408 33911136 35698968 37021152 39308976 41648796 43191344 47598624 48590262 53548452 55531728 58963464 62473194 64787016 71397936 72885393 78617952 83297592 86382688 93709791 97180524 107096904 111063456 117926928 124946388 129574032 142795872 145770786 166595184 187419582 194361048 214193808 218656179 235853856 249892776 259148064 291541572 333190368 374839164 388722096 428387616 437312358 499785552 583083144 655968537 749678328 777444192 874624716 999571104 1166166288 1311937074 1499356656 1749249432 2332332576 2623874148 2998713312 3498498864 5247748296 6996997728 10495496592 20990993184
• Sum of all divisors σ(n): 72937519200
• Sum of proper divisors (its aliquot sum) s(n): 51946526016
• 20990993184 is an abundant number, because the sum of its proper divisors (51946526016) is greater than itself. Its abundance is 30955532832

Bases of 20990993184

• Binary: 10011100011001010010010001100100000₂
• Hexadecimal: 0x4E3292320
• Base-36: 9N5HU00

Squares and roots of 20990993184

• 20990993184 squared (20990993184²) is 440621794850734457856
• 20990993184 cubed (20990993184³) is 9249089092433613302249231253504
• The square root of 20990993184 is 144882.6876614315
• The cube root of 20990993184 is 2758.5296894633

Scales and comparisons

• 20,990,993,184 seconds is equal to 667 years, 23 weeks, 2 days, 7 hours, 26 minutes, 24 seconds.
• To count from 1 to 20,990,993,184 would take you about one thousand, three hundred thirty-four 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 20990993184 cubic inches would be around 229.9 feet tall.

Recreational maths with 20990993184

• 20990993184 backwards is 48139909902
• 20990993184 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20990993184's digits is 54
• More coming soon!