19916788320

Names of 19916788320

• Cardinal: 19916788320 can be written as Nineteen billion, nine hundred sixteen million, seven hundred eighty-eight thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.991678832 × 10¹⁰

Factors of 19916788320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 345

Divisors of 19916788320

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 30 32 33 36 39 40 44 45 48 52 55 60 65 66 72 78 80 88 90 96 99 104 110 117 120 130 132 143 144 156 160 165 176 180 195 198 208 220 234 240 260 264 286 288 311 312 330 352 360 390 396 416 429 440 468 480 495 520 528 572 585 622 624 660 715 720 780 792 858 880 933 936 990 1040 1056 1144 1170 1244 1248 1287 1320 1430 1440 1555 1560 1584 1716 1760 1866 1872 1980 2080 2145 2288 2340 2488 2574 2640 2799 2860 3110 3120 3168 3421 3432 3732 3744 3960 4043 4290 4576 4665 4680 4976 5148 5280 5598 5720 6220 6240 6435 6842 6864 7464 7920 8086 8580 9330 9360 9952 10263 10296 11196 11440 12129 12440 12870 13684 13728 13995 14928 15840 16172 17105 17160 18660 18720 20215 20526 20592 22392 22880 24258 24880 25740 27368 27990 29856 30789 32344 34210 34320 36387 37320 40430 41052 41184 44473 44784 48516 49760 51315 51480 54736 55980 60645 61578 64688 68420 68640 72774 74640 80860 82104 88946 89568 96721 97032 102630 102960 109472 111960 121290 123156 129376 133419 136840 145548 149280 153945 161720 164208 177892 181935 193442 194064 205260 205920 222365 223920 242580 246312 266838 273680 290163 291096 307890 323440 328416 355784 363870 386884 388128 400257 410520 444730 447840 483605 485160 492624 533676 547360 580326 582192 615780 646880 667095 711568 727740 773768 800514 821040 870489 889460 967210 970320 985248 1063931 1067352 1160652 1164384 1231560 1257373 1334190 1423136 1450815 1455480 1547536 1601028 1642080 1740978 1778920 1934420 1940640 2001285 2127862 2134704 2321304 2463120 2514746 2668380 2901630 2910960 3095072 3191793 3202056 3481956 3557840 3772119 3868840 4002570 4255724 4269408 4352445 4642608 4926240 5029492 5319655 5336760 5803260 5821920 6286865 6383586 6404112 6963912 7115680 7544238 7737680 8005140 8511448 8704890 9285216 9575379 10058984 10639310 10673520 11316357 11606520 12573730 12767172 12808224 13831103 13927824 15088476 15475360 15958965 16010280 17022896 17409780 18860595 19150758 20117968 21278620 21347040 22632714 23213040 25147460 25534344 27662206 27855648 30176952 31917930 32020560 34045792 34819560 37721190 38301516 40235936 41493309 42557240 45265428 46426080 47876895 50294920 51068688 55324412 56581785 60353904 63835860 64041120 69155515 69639120 75442380 76603032 82986618 85114480 90530856 95753790 100589840 102137376 110648824 113163570 120707808 124479927 127671720 138311030 139278240 150884760 153206064 165973236 170228960 181061712 191507580 201179680 207466545 221297648 226327140 248959854 255343440 276622060 301769520 306412128 331946472 362123424 383015160 414933090 442595296 452654280 497919708 510686880 553244120 603539040 622399635 663892944 766030320 829866180 905308560 995839416 1106488240 1244799270 1327785888 1532060640 1659732360 1810617120 1991678832 2212976480 2489598540 3319464720 3983357664 4979197080 6638929440 9958394160 19916788320
• Sum of all divisors σ(n): 80105787216
• Sum of proper divisors (its aliquot sum) s(n): 60188998896
• 19916788320 is an abundant number, because the sum of its proper divisors (60188998896) is greater than itself. Its abundance is 40272210576

Bases of 19916788320

• Binary: 10010100011001000100001001001100000₂
• Hexadecimal: 0x4A3221260
• Base-36: 95DXW80

Squares and roots of 19916788320

• 19916788320 squared (19916788320²) is 396678456983688422400
• 19916788320 cubed (19916788320³) is 7900560858848348001775546368000
• The square root of 19916788320 is 141126.8518744749
• The cube root of 19916788320 is 2710.6478627903

Scales and comparisons

• 19,916,788,320 seconds is equal to 633 years, 15 weeks, 1 day, 9 hours, 12 minutes.
• To count from 1 to 19,916,788,320 would take you about one thousand, two hundred sixty-six 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 19916788320 cubic inches would be around 225.9 feet tall.

Recreational maths with 19916788320

• 19916788320 backwards is 02388761991
• The number of decimal digits it has is: 11
• The sum of 19916788320's digits is 54
• More coming soon!