20909491200

Names of 20909491200

• Cardinal: 20909491200 can be written as Twenty billion, nine hundred nine million, four hundred ninety-one thousand, two hundred.

Scientific notation

• Scientific notation: 2.09094912 × 10¹⁰

Factors of 20909491200

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 202

Divisors of 20909491200

• Number of divisors d(n): 792
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 27 30 32 36 39 40 45 48 50 52 54 60 64 65 72 75 78 80 90 96 100 104 108 117 120 128 130 135 144 150 156 160 169 179 180 192 195 200 208 216 225 234 240 256 260 270 288 300 312 320 325 338 351 358 360 384 390 400 416 432 450 468 480 507 512 520 537 540 576 585 600 624 640 650 675 676 702 716 720 768 780 800 832 845 864 895 900 936 960 975 1014 1024 1040 1074 1080 1152 1170 1200 1248 1280 1300 1350 1352 1404 1432 1440 1521 1536 1560 1600 1611 1664 1690 1728 1755 1790 1800 1872 1920 1950 2028 2080 2148 2160 2304 2327 2340 2400 2496 2535 2560 2600 2685 2700 2704 2808 2864 2880 2925 3042 3072 3120 3200 3222 3328 3380 3456 3510 3580 3600 3744 3840 3900 4056 4160 4225 4296 4320 4475 4563 4608 4654 4680 4800 4833 4992 5070 5120 5200 5370 5400 5408 5616 5728 5760 5850 6084 6240 6400 6444 6656 6760 6912 6981 7020 7160 7200 7488 7605 7680 7800 8055 8112 8320 8450 8592 8640 8775 8950 9126 9216 9308 9360 9600 9666 9984 10140 10400 10740 10800 10816 11232 11456 11520 11635 11700 12168 12480 12675 12800 12888 13312 13425 13520 13824 13962 14040 14320 14400 14976 15210 15360 15600 16110 16224 16640 16900 17184 17280 17550 17900 18252 18616 18720 19200 19332 19968 20280 20800 20943 21480 21600 21632 22464 22815 22912 23040 23270 23400 24165 24336 24960 25350 25600 25776 26850 27040 27648 27924 28080 28640 28800 29952 30251 30420 31200 32220 32448 33280 33800 34368 34560 34905 35100 35800 36504 37232 37440 38025 38400 38664 39936 40275 40560 41600 41886 42960 43200 43264 44928 45630 45824 46080 46540 46800 48330 48672 49920 50700 51552 53700 54080 55848 56160 57280 57600 58175 59904 60502 60840 62400 62829 64440 64896 66560 67600 68736 69120 69810 70200 71600 73008 74464 74880 76050 76800 77328 80550 81120 83200 83772 85920 86400 86528 89856 90753 91260 91648 93080 93600 96660 97344 99840 101400 103104 104715 107400 108160 111696 112320 114075 114560 115200 116350 119808 120825 121004 121680 124800 125658 128880 129792 135200 137472 138240 139620 140400 143200 146016 148928 149760 151255 152100 154656 161100 162240 166400 167544 171840 172800 173056 174525 179712 181506 182520 183296 186160 187200 193320 194688 199680 202800 206208 209430 214800 216320 223392 224640 228150 229120 230400 232700 241650 242008 243360 249600 251316 257760 259584 270400 272259 274944 279240 280800 286400 292032 297856 299520 302510 304200 309312 314145 322200 324480 332800 335088 343680 345600 349050 359424 363012 365040 372320 374400 386640 389376 405600 412416 418860 429600 432640 446784 449280 453765 456300 458240 465400 483300 484016 486720 499200 502632 515520 519168 523575 540800 544518 549888 558480 561600 572800 584064 595712 599040 605020 608400 618624 628290 644400 648960 670176 687360 691200 698100 726024 730080 744640 748800 756275 773280 778752 811200 816777 824832 837720 859200 865280 893568 898560 907530 912600 916480 930800 966600 968032 973440 998400 1005264 1031040 1047150 1081600 1089036 1116960 1123200 1145600 1168128 1191424 1210040 1216800 1237248 1256580 1288800 1297920 1340352 1361295 1374720 1396200 1452048 1460160 1489280 1497600 1512550 1546560 1557504 1570725 1622400 1633554 1649664 1675440 1718400 1787136 1797120 1815060 1825200 1861600 1933200 1936064 1946880 2010528 2062080 2094300 2163200 2178072 2233920 2246400 2268825 2291200 2336256 2382848 2420080 2433600 2474496 2513160 2577600 2595840 2680704 2722590 2749440 2792400 2904096 2920320 2978560 2995200 3025100 3093120 3141450 3244800 3267108 3350880 3436800 3574272 3630120 3650400 3723200 3866400 3872128 3893760 4021056 4083885 4124160 4188600 4326400 4356144 4467840 4492800 4537650 4582400 4672512 4840160 4867200 4948992 5026320 5155200 5361408 5445180 5584800 5808192 5840640 5957120 6050200 6186240 6282900 6489600 6534216 6701760 6806475 6873600 7148544 7260240 7300800 7446400 7732800 7744256 7787520 8042112 8167770 8248320 8377200 8712288 8935680 8985600 9075300 9680320 9734400 10052640 10310400 10722816 10890360 11169600 11616384 11681280 11914240 12100400 12372480 12565800 12979200 13068432 13403520 13612950 13747200 14520480 14601600 14892800 15465600 15488512 16084224 16335540 16754400 17424576 17871360 18150600 19360640 19468800 20105280 20419425 20620800 21445632 21780720 22339200 23232768 23362560 24200800 24744960 25131600 26136864 26807040 27225900 29040960 29203200 29785600 30931200 30977024 32168448 32671080 33508800 34849152 35742720 36301200 38721280 38937600 40210560 40838850 41241600 43561440 44678400 46465536 48401600 50263200 52273728 53614080 54451800 58081920 58406400 59571200 61862400 64336896 65342160 67017600 69698304 72602400 77442560 80421120 81677700 87122880 89356800 92931072 96803200 100526400 104547456 107228160 108903600 116163840 116812800 123724800 130684320 134035200 139396608 145204800 154885120 160842240 163355400 174245760 178713600 193606400 201052800 209094912 217807200 232327680 261368640 268070400 278793216 290409600 321684480 326710800 348491520 387212800 402105600 418189824 435614400 464655360 522737280 536140800 580819200 653421600 696983040 774425600 804211200 836379648 871228800 1045474560 1161638400 1306843200 1393966080 1608422400 1742457600 2090949120 2323276800 2613686400 3484915200 4181898240 5227372800 6969830400 10454745600 20909491200
• Sum of all divisors σ(n): 83610943200
• Sum of proper divisors (its aliquot sum) s(n): 62701452000
• 20909491200 is an abundant number, because the sum of its proper divisors (62701452000) is greater than itself. Its abundance is 41791960800

Bases of 20909491200

• Binary: 10011011110010011011000010000000000₂
• Hexadecimal: 0x4DE4D8400
• Base-36: 9LSYYO0

Squares and roots of 20909491200

• 20909491200 squared (20909491200²) is 437206822242877440000
• 20909491200 cubed (20909491200³) is 9141772202267410094358528000000
• The square root of 20909491200 is 144601.1452236807
• The cube root of 20909491200 is 2754.9548665591

Scales and comparisons

• 20,909,491,200 seconds is equal to 664 years, 44 weeks, 4 days.
• To count from 1 to 20,909,491,200 would take you about one thousand, three hundred twenty-nine 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 20909491200 cubic inches would be around 229.6 feet tall.

Recreational maths with 20909491200

• 20909491200 backwards is 00219490902
• 20909491200 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20909491200's digits is 36
• More coming soon!