19443427920

Names of 19443427920

• Cardinal: 19443427920 can be written as Nineteen billion, four hundred forty-three million, four hundred twenty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.944342792 × 10¹⁰

Factors of 19443427920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7105

Divisors of 19443427920

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 54 56 60 61 63 70 72 80 81 84 90 105 108 112 120 122 126 135 140 144 162 168 180 183 189 210 216 240 244 252 270 280 305 315 324 336 360 366 378 405 420 427 432 488 504 540 549 560 567 610 630 648 720 732 756 810 840 854 915 945 976 1008 1080 1098 1134 1220 1260 1281 1296 1464 1512 1620 1647 1680 1708 1830 1890 2135 2160 2196 2268 2440 2520 2562 2745 2835 2928 3024 3240 3294 3416 3660 3780 3843 4270 4392 4536 4880 4941 5040 5124 5490 5670 6405 6480 6588 6832 7027 7320 7560 7686 8235 8540 8784 9072 9882 10248 10980 11340 11529 12810 13176 14054 14640 15120 15372 16470 17080 19215 19764 20496 21081 21960 22680 23058 24705 25620 26352 28108 30744 32940 34160 34587 35135 38430 39528 42162 43920 45360 46116 49189 49410 51240 56216 57645 61488 63243 65880 69174 70270 76860 79056 84324 92232 98378 98820 102480 105405 112432 115290 126486 131760 138348 140540 147567 153720 168648 172935 184464 189729 196756 197640 210810 230580 245945 252972 276696 281080 295134 307440 316215 337296 345870 379458 393512 395280 421620 428647 442701 461160 491890 505944 553392 562160 569187 590268 632430 691740 737835 758916 787024 843240 857294 885402 922320 948645 983780 1011888 1138374 1180536 1264860 1285941 1328103 1383480 1475670 1517832 1686480 1714588 1770804 1897290 1967560 2143235 2213505 2276748 2361072 2529720 2571882 2656206 2766960 2845935 2951340 3000529 3035664 3429176 3541608 3794580 3857823 3935120 3984309 4286470 4427010 4553496 5059440 5143764 5312412 5691870 5902680 6001058 6429705 6640515 6858352 7083216 7589160 7715646 7968618 8572940 8854020 9001587 9106992 10287528 10624824 11383740 11573469 11805360 12002116 12859410 13281030 15002645 15178320 15431292 15937236 17145880 17708040 18003174 19289115 19921545 20575056 21249648 22767480 23146938 24004232 25718820 26562060 27004761 30005290 30862584 31874472 34291760 34720407 35416080 36006348 38578230 39843090 45007935 45534960 46293876 48008464 51437640 53124120 54009522 57867345 60010580 61725168 63748944 69440814 72012696 77156460 79686180 81014283 90015870 92587752 102875280 106248240 108019044 115734690 120021160 135023805 138881628 144025392 154312920 159372360 162028566 173602035 180031740 185175504 216038088 231469380 240042320 243042849 270047610 277763256 308625840 318744720 324057132 347204070 360063480 405071415 432076176 462938760 486085698 540095220 555526512 648114264 694408140 720126960 810142830 925877520 972171396 1080190440 1215214245 1296228528 1388816280 1620285660 1944342792 2160380880 2430428490 2777632560 3240571320 3888685584 4860856980 6481142640 9721713960 19443427920
• Sum of all divisors σ(n): 78453395328
• Sum of proper divisors (its aliquot sum) s(n): 59009967408
• 19443427920 is an abundant number, because the sum of its proper divisors (59009967408) is greater than itself. Its abundance is 39566539488

Bases of 19443427920

• Binary: 10010000110111010110010101001010000₂
• Hexadecimal: 0x486EB2A50
• Base-36: 8XK4500

Squares and roots of 19443427920

• 19443427920 squared (19443427920²) is 378046889280235526400
• 19443427920 cubed (19443427920³) is 7350527442100480138181657088000
• The square root of 19443427920 is 139439.6927707459
• The cube root of 19443427920 is 2689.0008828531

Scales and comparisons

• 19,443,427,920 seconds is equal to 618 years, 12 weeks, 3 days, 16 hours, 12 minutes.
• To count from 1 to 19,443,427,920 would take you about one thousand, two hundred thirty-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 19443427920 cubic inches would be around 224.1 feet tall.

Recreational maths with 19443427920

• 19443427920 backwards is 02972434491
• 19443427920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19443427920's digits is 45
• More coming soon!