28720384000

Names of 28720384000

• Cardinal: 28720384000 can be written as Twenty-eight billion, seven hundred twenty million, three hundred eighty-four thousand.

Scientific notation

• Scientific notation: 2.8720384 × 10¹⁰

Factors of 28720384000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 103

Divisors of 28720384000

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 25 28 31 32 35 40 44 47 50 55 56 62 64 70 77 80 88 94 100 110 112 124 125 128 140 154 155 160 175 176 188 200 217 220 224 235 248 250 256 275 280 308 310 320 329 341 350 352 376 385 400 434 440 448 470 496 500 512 517 550 560 616 620 640 658 682 700 704 752 770 775 800 868 875 880 896 940 992 1000 1024 1034 1085 1100 1120 1175 1232 1240 1280 1316 1364 1375 1400 1408 1457 1504 1540 1550 1600 1645 1705 1736 1750 1760 1792 1880 1925 1984 2000 2048 2068 2170 2200 2240 2350 2387 2464 2480 2560 2585 2632 2728 2750 2800 2816 2914 3008 3080 3100 3200 3290 3410 3472 3500 3520 3584 3619 3760 3850 3875 3968 4000 4136 4340 4400 4480 4700 4774 4928 4960 5120 5170 5264 5425 5456 5500 5600 5632 5828 5875 6016 6160 6200 6400 6580 6820 6944 7000 7040 7168 7238 7285 7520 7700 7750 7936 8000 8225 8272 8525 8680 8800 8960 9400 9548 9625 9856 9920 10199 10240 10340 10528 10850 10912 11000 11200 11264 11656 11750 11935 12032 12320 12400 12800 12925 13160 13640 13888 14000 14080 14336 14476 14570 15040 15400 15500 15872 16000 16027 16450 16544 17050 17360 17600 17920 18095 18800 19096 19250 19712 19840 20398 20680 21056 21700 21824 22000 22400 22528 23312 23500 23870 24064 24640 24800 25600 25850 26320 27125 27280 27776 28000 28160 28952 29140 30080 30800 31000 31744 32000 32054 32900 33088 34100 34720 35200 35840 36190 36425 37600 38192 38500 39424 39680 40796 41125 41360 42112 42625 43400 43648 44000 44800 46624 47000 47740 48128 49280 49600 50995 51200 51700 52640 54250 54560 55552 56000 56320 57904 58280 59675 60160 61600 62000 63488 64000 64108 64625 65800 66176 68200 69440 70400 71680 72380 72850 75200 76384 77000 78848 79360 80135 81592 82250 82720 84224 85250 86800 87296 88000 89600 90475 93248 94000 95480 96256 98560 99200 101990 103400 105280 108500 109120 111104 112000 112189 112640 115808 116560 119350 120320 123200 124000 128000 128216 129250 131600 132352 136400 138880 140800 144760 145700 150400 152768 154000 157696 158720 160270 163184 164500 165440 168448 170500 173600 174592 176000 179200 180950 182125 186496 188000 190960 197120 198400 203980 206800 210560 217000 218240 222208 224000 224378 231616 233120 238700 240640 246400 248000 254975 256000 256432 258500 263200 264704 272800 277760 281600 289520 291400 298375 300800 305536 308000 317440 320540 326368 329000 330880 336896 341000 347200 349184 352000 358400 361900 364250 372992 376000 381920 394240 396800 400675 407960 413600 421120 434000 436480 444416 448000 448756 452375 463232 466240 477400 481280 492800 496000 509950 512864 517000 526400 529408 545600 555520 560945 563200 579040 582800 596750 601600 611072 616000 641080 652736 658000 661760 673792 682000 694400 698368 704000 723800 728500 745984 752000 763840 788480 793600 801350 815920 827200 842240 868000 872960 896000 897512 904750 926464 932480 954800 985600 992000 1019900 1025728 1034000 1052800 1058816 1091200 1111040 1121890 1158080 1165600 1193500 1203200 1222144 1232000 1274875 1282160 1305472 1316000 1323520 1364000 1388800 1408000 1447600 1457000 1491968 1504000 1527680 1587200 1602700 1631840 1654400 1684480 1736000 1745920 1792000 1795024 1809500 1852928 1864960 1909600 1971200 1984000 2003375 2039800 2051456 2068000 2105600 2182400 2222080 2243780 2316160 2331200 2387000 2406400 2444288 2464000 2549750 2564320 2610944 2632000 2647040 2728000 2777600 2804725 2816000 2895200 2914000 2983936 3008000 3055360 3205400 3263680 3308800 3368960 3472000 3491840 3590048 3619000 3705856 3729920 3819200 3942400 3968000 4006750 4079600 4102912 4136000 4211200 4364800 4487560 4632320 4662400 4774000 4888576 4928000 5099500 5128640 5221888 5264000 5294080 5456000 5555200 5609450 5790400 5828000 6016000 6110720 6410800 6527360 6617600 6944000 7180096 7238000 7411712 7459840 7638400 7936000 8013500 8159200 8205824 8272000 8422400 8729600 8975120 9264640 9324800 9548000 9856000 10199000 10257280 10443776 10528000 10912000 11110400 11218900 11580800 11656000 12032000 12221440 12821600 13054720 13235200 13888000 14023625 14360192 14476000 14919680 15276800 16027000 16318400 16411648 16544000 16844800 17459200 17950240 18529280 18649600 19096000 19712000 20398000 20514560 20887552 21056000 21824000 22437800 23161600 23312000 24442880 25643200 26109440 26470400 27776000 28047250 28720384 28952000 30553600 32054000 32636800 32823296 33088000 35900480 37058560 37299200 38192000 40796000 41029120 42112000 43648000 44875600 46323200 46624000 51286400 52218880 55552000 56094500 57440768 57904000 61107200 64108000 65273600 66176000 71800960 74598400 76384000 81592000 82058240 84224000 87296000 89751200 92646400 93248000 102572800 104437760 112189000 114881536 115808000 122214400 128216000 130547200 132352000 143601920 152768000 163184000 164116480 179502400 185292800 186496000 205145600 224378000 229763072 231616000 256432000 261094400 287203840 305536000 326368000 359004800 372992000 410291200 448756000 463232000 512864000 522188800 574407680 611072000 652736000 718009600 820582400 897512000 926464000 1025728000 1148815360 1305472000 1436019200 1795024000 2051456000 2610944000 2872038400 3590048000 4102912000 5744076800 7180096000 14360192000 28720384000
• Sum of all divisors σ(n): 94197841920
• Sum of proper divisors (its aliquot sum) s(n): 65477457920
• 28720384000 is an abundant number, because the sum of its proper divisors (65477457920) is greater than itself. Its abundance is 36757073920

Bases of 28720384000

• Binary: 11010101111110111100100100000000000₂
• Hexadecimal: 0x6AFDE4800
• Base-36: D6ZDI4G

Squares and roots of 28720384000

• 28720384000 squared (28720384000²) is 824860457107456000000
• 28720384000 cubed (28720384000³) is 23690309074541665583104000000000
• The square root of 28720384000 is 169470.8942562117
• The cube root of 28720384000 is 3062.4105629857

Scales and comparisons

• 28,720,384,000 seconds is equal to 913 years, 11 weeks, 2 days, 20 hours, 26 minutes, 40 seconds.
• To count from 1 to 28,720,384,000 would take you about one thousand, eight hundred twenty-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 28720384000 cubic inches would be around 255.2 feet tall.

Recreational maths with 28720384000

• 28720384000 backwards is 00048302782
• The number of decimal digits it has is: 11
• The sum of 28720384000's digits is 34
• More coming soon!