19905388800

Names of 19905388800

• Cardinal: 19905388800 can be written as Nineteen billion, nine hundred five million, three hundred eighty-eight thousand, eight hundred.

Scientific notation

• Scientific notation: 1.99053888 × 10¹⁰

Factors of 19905388800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 328

Divisors of 19905388800

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 25 30 32 33 40 44 48 50 55 60 64 66 75 80 88 96 100 110 120 128 132 150 160 165 176 192 200 220 240 256 264 275 300 307 320 330 352 384 400 440 480 528 550 600 614 640 660 704 768 800 825 880 921 960 1056 1100 1200 1228 1280 1320 1408 1535 1600 1650 1760 1842 1920 2112 2200 2400 2456 2640 2816 3070 3200 3300 3377 3520 3684 3840 4224 4400 4605 4800 4912 5280 6140 6400 6600 6754 7040 7368 7675 8448 8800 9210 9600 9824 10131 10560 12280 13200 13508 14080 14736 15350 16885 17600 18420 19200 19648 20262 21120 23025 24560 26400 27016 29472 30700 33770 35200 36840 39296 40524 42240 46050 49120 50655 52800 54032 58944 61400 67540 70400 73680 78592 81048 84425 92100 94249 98240 101310 105600 108064 117888 122800 135080 147360 162096 168850 184200 188498 196480 202620 211200 216128 235776 245600 253275 270160 282747 294720 324192 337700 368400 376996 392960 405240 432256 471245 491200 506550 540320 565494 589440 648384 675400 736800 753992 810480 864512 942490 982400 1013100 1036739 1080640 1130988 1178880 1296768 1350800 1413735 1473600 1507984 1620960 1884980 1964800 2026200 2073478 2161280 2261976 2356225 2593536 2701600 2827470 2947200 3015968 3110217 3241920 3769960 4052400 4146956 4322560 4523952 4712450 5183695 5403200 5654940 5894400 6031936 6220434 6483840 7068675 7539920 8104800 8293912 9047904 9424900 10367390 10806400 11309880 12063872 12440868 12967680 14137350 15079840 15551085 16209600 16587824 18095808 18849800 20734780 21612800 22619760 24127744 24881736 25918475 28274700 30159680 31102170 32419200 33175648 36191616 37699600 41469560 45239520 49763472 51836950 56549400 60319360 62204340 64838400 66351296 72383232 75399200 77755425 82939120 90479040 99526944 103673900 113098800 120638720 124408680 132702592 150798400 155510850 165878240 180958080 199053888 207347800 226197600 248817360 265405184 301596800 311021700 331756480 361916160 398107776 414695600 452395200 497634720 603193600 622043400 663512960 796215552 829391200 904790400 995269440 1244086800 1327025920 1658782400 1809580800 1990538880 2488173600 3317564800 3981077760 4976347200 6635129600 9952694400 19905388800
• Sum of all divisors σ(n): 71898116976
• Sum of proper divisors (its aliquot sum) s(n): 51992728176
• 19905388800 is an abundant number, because the sum of its proper divisors (51992728176) is greater than itself. Its abundance is 32087339376

Bases of 19905388800

• Binary: 10010100010011101000010000100000000₂
• Hexadecimal: 0x4A2742100
• Base-36: 9575KAO

Squares and roots of 19905388800

• 19905388800 squared (19905388800²) is 396224503279165440000
• 19905388800 cubed (19905388800³) is 7887002789858663022723072000000
• The square root of 19905388800 is 141086.4585989739
• The cube root of 19905388800 is 2710.1306110259

Scales and comparisons

• 19,905,388,800 seconds is equal to 632 years, 48 weeks, 2 days, 10 hours, 40 minutes.
• To count from 1 to 19,905,388,800 would take you about one thousand, two hundred sixty-five 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 19905388800 cubic inches would be around 225.8 feet tall.

Recreational maths with 19905388800

• 19905388800 backwards is 00888350991
• The number of decimal digits it has is: 11
• The sum of 19905388800's digits is 51
• More coming soon!