21032768400

Names of 21032768400

• Cardinal: 21032768400 can be written as Twenty-one billion, thirty-two million, seven hundred sixty-eight thousand, four hundred.

Scientific notation

• Scientific notation: 2.10327684 × 10¹⁰

Factors of 21032768400

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 144

Divisors of 21032768400

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 31 35 37 40 42 48 50 56 59 60 62 70 74 75 80 84 93 100 105 111 112 118 120 124 140 148 150 155 168 175 177 185 186 200 210 217 222 236 240 248 259 280 295 296 300 310 336 350 354 370 372 400 413 420 434 444 465 472 496 518 525 555 560 590 592 600 620 651 700 708 740 744 775 777 826 840 868 885 888 925 930 944 1036 1050 1085 1110 1147 1180 1200 1239 1240 1295 1302 1369 1400 1416 1475 1480 1488 1550 1554 1652 1680 1736 1770 1776 1829 1850 1860 2065 2072 2100 2170 2183 2220 2294 2325 2360 2478 2480 2590 2604 2738 2775 2800 2832 2950 2960 3100 3108 3255 3304 3441 3472 3540 3658 3700 3720 3885 4107 4130 4144 4200 4340 4366 4425 4440 4588 4650 4720 4956 5180 5208 5425 5476 5487 5550 5735 5900 6195 6200 6216 6475 6510 6549 6608 6845 6882 7080 7316 7400 7440 7770 8029 8214 8260 8400 8680 8732 8850 8880 9145 9176 9300 9583 9912 10325 10360 10416 10850 10915 10952 10974 11100 11470 11800 12390 12400 12432 12803 12950 13020 13098 13690 13764 14160 14632 14800 15281 15540 16058 16275 16428 16520 17205 17360 17464 17700 18290 18352 18600 19166 19425 19824 20535 20650 20720 21700 21830 21904 21948 22200 22940 23600 24087 24780 25606 25900 26040 26196 27380 27435 27528 28675 28749 29264 30562 30975 31080 32116 32550 32745 32856 33040 34225 34410 34928 35400 36580 37200 38332 38409 38850 40145 41070 41300 42439 43400 43660 43896 44400 45725 45843 45880 47915 48174 49560 51212 51800 52080 52392 54575 54760 54870 55056 57350 57498 61124 61950 62160 64015 64232 65100 65490 65712 67673 68450 68820 70800 73160 76405 76664 76818 77700 80290 80771 82140 82600 84878 86025 86800 87320 87792 91450 91686 91760 95830 96348 99120 102424 102675 103600 104784 109150 109520 109740 114700 114996 120435 122248 123900 127317 128030 128464 130200 130980 135346 136900 137175 137640 143745 146320 152810 153328 153636 155400 160580 161542 163725 164280 165200 169756 172050 174640 182900 183372 191660 192045 192696 200725 203019 204848 205350 212195 218300 219480 229215 229400 229992 239575 240870 242313 244496 247800 254634 256060 260400 261960 270692 273800 274350 275280 287490 297073 305620 307272 310800 320075 321160 323084 327450 328560 338365 339512 344100 365800 366744 382025 383320 384090 385392 401450 403855 406038 410700 424390 436600 438960 458430 458800 459984 473711 479150 481740 484626 495600 509268 512120 523920 541384 547600 548700 565397 574980 594146 602175 611240 614544 636585 640150 642320 646168 654900 676730 679024 688200 718725 731600 733488 764050 766640 768180 802900 807710 812076 821400 848780 873200 891219 916860 947422 958300 960225 963480 969252 1015095 1018536 1024240 1060975 1082768 1097400 1130794 1146075 1149960 1188292 1204350 1211565 1222480 1273170 1280300 1292336 1309800 1353460 1376400 1421133 1437450 1485365 1528100 1536360 1605800 1615420 1624152 1642800 1691825 1696191 1697560 1782438 1833720 1894844 1916600 1920450 1926960 1938504 2019275 2030190 2037072 2121950 2194800 2261588 2292150 2299920 2368555 2376584 2408700 2423130 2503901 2546340 2560600 2619600 2706920 2826985 2842266 2874900 2970730 3056200 3072720 3182925 3211600 3230840 3248304 3383650 3392382 3395120 3564876 3667440 3789688 3833200 3840900 3877008 4038550 4060380 4243900 4456095 4523176 4584300 4737110 4753168 4817400 4846260 5007802 5075475 5092680 5121200 5413840 5653970 5684532 5749800 5941460 6057825 6112400 6365850 6461680 6767300 6784764 7105665 7129752 7426825 7511703 7579376 7681800 8077100 8120760 8480955 8487800 8912190 9046352 9168600 9474220 9634800 9692520 10015604 10150950 10185360 11307940 11369064 11499600 11842775 11882920 12115650 12519505 12731700 13534600 13569528 14134925 14211330 14259504 14853650 15023406 15363600 16154200 16241520 16961910 16975600 17527307 17824380 18337200 18948440 19385040 20031208 20301900 22280475 22615880 22738128 23685550 23765840 24231300 25039010 25463400 27069200 27139056 28269850 28422660 29707300 30046812 32308400 33923820 35054614 35528325 35648760 37558515 37896880 40062416 40603800 42404775 44560950 45231760 47371100 48462600 50078020 50926800 52581921 56539700 56845320 59414600 60093624 62597525 67847640 70109228 71056650 71297520 75117030 81207600 84809550 87636535 89121900 94742200 96925200 100156040 105163842 113079400 113690640 118829200 120187248 125195050 135695280 140218456 142113300 150234060 169619100 175273070 178243800 187792575 189484400 200312080 210327684 226158800 250390100 262909605 280436912 284226600 300468120 339238200 350546140 356487600 375585150 420655368 438182675 500780200 525819210 568453200 600936240 678476400 701092280 751170300 841310736 876365350 1001560400 1051638420 1314548025 1402184560 1502340600 1752730700 2103276840 2629096050 3004681200 3505461400 4206553680 5258192100 7010922800 10516384200 21032768400
• Sum of all divisors σ(n): 83074682880
• Sum of proper divisors (its aliquot sum) s(n): 62041914480
• 21032768400 is an abundant number, because the sum of its proper divisors (62041914480) is greater than itself. Its abundance is 41009146080

Bases of 21032768400

• Binary: 10011100101101001101001001110010000₂
• Hexadecimal: 0x4E5A69390
• Base-36: 9NUD7YO

Squares and roots of 21032768400

• 21032768400 squared (21032768400²) is 442377346568038560000
• 21032768400 cubed (21032768400³) is 9304420275772089874749504000000
• The square root of 21032768400 is 145026.7851122681
• The cube root of 21032768400 is 2760.3584390599

Scales and comparisons

• 21,032,768,400 seconds is equal to 668 years, 40 weeks, 2 days, 19 hours, 40 minutes.
• To count from 1 to 21,032,768,400 would take you about one thousand, three hundred thirty-seven 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 21032768400 cubic inches would be around 230 feet tall.

Recreational maths with 21032768400

• 21032768400 backwards is 00486723012
• The number of decimal digits it has is: 11
• The sum of 21032768400's digits is 33
• More coming soon!