28721385000

Names of 28721385000

• Cardinal: 28721385000 can be written as Twenty-eight billion, seven hundred twenty-one million, three hundred eighty-five thousand.

Scientific notation

• Scientific notation: 2.8721385 × 10¹⁰

Factors of 28721385000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 335

Divisors of 28721385000

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 25 27 28 30 33 35 36 40 42 44 45 50 54 55 56 60 63 66 70 72 75 77 81 84 88 90 99 100 105 108 110 120 125 126 132 135 140 150 154 162 165 168 175 180 189 198 200 210 216 220 225 231 243 250 252 264 270 275 280 297 300 307 308 315 324 330 350 360 375 378 385 396 405 420 440 450 462 486 495 500 504 525 540 550 567 594 600 614 616 625 630 648 660 675 693 700 750 756 770 792 810 825 840 875 891 900 921 924 945 972 990 1000 1050 1080 1100 1125 1134 1155 1188 1215 1228 1250 1260 1320 1350 1375 1386 1400 1485 1500 1512 1535 1540 1575 1620 1650 1701 1750 1782 1800 1842 1848 1875 1890 1925 1944 1980 2025 2079 2100 2149 2200 2250 2268 2310 2376 2430 2456 2475 2500 2520 2625 2673 2700 2750 2763 2772 2835 2970 3000 3070 3080 3150 3240 3300 3375 3377 3402 3465 3500 3564 3684 3750 3780 3850 3960 4050 4125 4158 4200 4298 4375 4455 4500 4536 4605 4620 4725 4860 4950 5000 5250 5346 5400 5500 5526 5544 5625 5670 5775 5940 6075 6140 6237 6300 6447 6600 6750 6754 6804 6875 6930 7000 7128 7368 7425 7500 7560 7675 7700 7875 8100 8250 8289 8316 8505 8596 8750 8910 9000 9210 9240 9450 9625 9720 9900 10125 10131 10395 10500 10692 10745 11000 11052 11250 11340 11550 11880 12150 12280 12375 12474 12600 12894 13125 13365 13500 13508 13608 13750 13815 13860 14175 14850 15000 15350 15400 15750 16200 16500 16578 16632 16875 16885 17010 17192 17325 17500 17820 18420 18711 18900 19250 19341 19800 20250 20262 20625 20790 21000 21384 21490 22104 22275 22500 22680 23025 23100 23625 23639 24300 24750 24867 24948 25788 26250 26730 27000 27016 27500 27630 27720 28350 28875 29700 30375 30393 30700 31185 31500 32235 33000 33156 33750 33770 34020 34650 35000 35640 36840 37125 37422 37800 38375 38500 38682 39375 40500 40524 41250 41445 41580 42525 42980 44550 45000 46050 46200 47250 47278 48125 48600 49500 49734 49896 50625 50655 51576 51975 52500 53460 53725 55000 55260 56700 57750 58023 59400 60750 60786 61400 61875 62370 63000 64470 66312 66825 67500 67540 68040 69075 69300 70875 70917 74250 74601 74844 76750 77000 77364 78750 81000 81048 82500 82890 83160 84425 85050 85960 86625 89100 91179 92100 93555 94500 94556 96250 96705 99000 99468 101250 101310 103950 105000 106920 107450 110520 111375 113400 115125 115500 116046 118125 118195 121500 121572 123750 124335 124740 128940 133650 135000 135080 138150 138600 141750 141834 144375 148500 149202 149688 151875 151965 153500 154728 155925 157500 161175 165000 165780 168850 170100 173250 174069 178200 182358 184200 185625 187110 189000 189112 191875 192500 193410 198936 202500 202620 207225 207900 212625 212751 214900 222750 230250 231000 232092 236250 236390 243000 243144 247500 248670 249480 253275 257880 259875 267300 268625 273537 276300 283500 283668 288750 290115 297000 298404 303750 303930 307000 311850 315000 322350 331560 334125 337700 340200 345375 346500 348138 354375 354585 364716 371250 373005 374220 383750 385000 386820 405000 405240 414450 415800 422125 425250 425502 429800 433125 445500 455895 460500 464184 467775 472500 472780 483525 495000 497340 506550 519750 522207 534600 537250 547074 552600 556875 567000 567336 575625 577500 580230 590975 596808 607500 607860 621675 623700 638253 644700 668250 675400 690750 693000 696276 708750 709170 729432 742500 746010 748440 759825 767500 773640 779625 805875 820611 828900 844250 850500 851004 866250 870345 891000 911790 921000 935550 945000 945560 967050 994680 1013100 1036125 1039500 1044414 1063125 1063755 1074500 1094148 1113750 1151250 1155000 1160460 1181950 1215000 1215720 1243350 1247400 1266375 1276506 1289400 1299375 1336500 1343125 1367685 1381500 1392552 1417500 1418340 1450575 1485000 1492020 1519650 1535000 1559250 1611750 1641222 1657800 1670625 1688500 1701000 1702008 1726875 1732500 1740690 1772925 1823580 1865025 1871100 1914759 1934100 2026200 2072250 2079000 2088828 2110625 2126250 2127510 2149000 2188296 2227500 2279475 2302500 2320920 2338875 2363900 2417625 2486700 2532750 2553012 2598750 2611035 2673000 2686250 2735370 2763000 2835000 2836680 2901150 2954875 2984040 3039300 3108375 3118500 3191265 3223500 3282444 3341250 3377000 3453750 3465000 3481380 3545850 3647160 3730050 3742200 3799125 3829518 3868200 3898125 4029375 4103055 4144500 4177656 4221250 4252500 4255020 4351725 4455000 4558950 4605000 4677750 4727800 4835250 4973400 5065500 5106024 5180625 5197500 5222070 5318775 5372500 5470740 5744277 5802300 5909750 6078600 6216750 6237000 6331875 6382530 6447000 6564888 6682500 6838425 6907500 6962760 7091700 7252875 7460100 7598250 7659036 7796250 8058750 8206110 8289000 8442500 8505000 8510040 8703450 8864625 9117900 9325125 9355500 9573795 9670500 10131000 10361250 10395000 10444140 10637550 10745000 10941480 11397375 11488554 11604600 11694375 11819500 12088125 12433500 12663750 12765060 13055175 13365000 13676850 13815000 14183400 14505750 14774375 14920200 15196500 15318072 15541875 15592500 15956325 16117500 16412220 16885000 17406900 17729250 18235800 18650250 18711000 18995625 19147590 19341000 20515275 20722500 20888280 21275100 21758625 22794750 22977108 23388750 23639000 24176250 24867000 25327500 25530120 26110350 26593875 27353700 28721385 29011500 29548750 30393000 31083750 31185000 31912650 32235000 32824440 34192125 34813800 35458500 36264375 37300500 37991250 38295180 41030550 41445000 42550200 43517250 44323125 45589500 45954216 46625625 46777500 47868975 48352500 50655000 52220700 53187750 54707400 56986875 57442770 58023000 59097500 62167500 63825300 65275875 68384250 70917000 72528750 74601000 75982500 76590360 79781625 82061100 87034500 88646250 91179000 93251250 93555000 95737950 96705000 102576375 104441400 106375500 108793125 113973750 114885540 118195000 124335000 127650600 130551750 132969375 136768500 143606925 145057500 151965000 159563250 164122200 170960625 174069000 177292500 186502500 191475900 205152750 212751000 217586250 227947500 229771080 239344875 261103500 265938750 273537000 287213850 290115000 319126500 326379375 341921250 354585000 373005000 382951800 398908125 410305500 435172500 455895000 478689750 512881875 522207000 531877500 574427700 638253000 652758750 683842500 718034625 797816250 820611000 870345000 957379500 1025763750 1063755000 1148855400 1196724375 1305517500 1367685000 1436069250 1595632500 1914759000 2051527500 2393448750 2611035000 2872138500 3191265000 3590173125 4103055000 4786897500 5744277000 7180346250 9573795000 14360692500 28721385000
• Sum of all divisors σ(n): 126085639680
• Sum of proper divisors (its aliquot sum) s(n): 97364254680
• 28721385000 is an abundant number, because the sum of its proper divisors (97364254680) is greater than itself. Its abundance is 68642869680

Bases of 28721385000

• Binary: 11010101111111011011000111000101000₂
• Hexadecimal: 0x6AFED8E28
• Base-36: D6ZYYI0

Squares and roots of 28721385000

• 28721385000 squared (28721385000²) is 824917956318225000000
• 28721385000 cubed (28721385000³) is 23692786216828922741625000000000
• The square root of 28721385000 is 169473.8475399669
• The cube root of 28721385000 is 3062.4461409381

Scales and comparisons

• 28,721,385,000 seconds is equal to 913 years, 13 weeks, 10 hours, 30 minutes.
• To count from 1 to 28,721,385,000 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 28721385000 cubic inches would be around 255.2 feet tall.

Recreational maths with 28721385000

• 28721385000 backwards is 00058312782
• 28721385000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28721385000's digits is 36
• More coming soon!