21001300320

Names of 21001300320

• Cardinal: 21001300320 can be written as Twenty-one billion, one million, three hundred thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.100130032 × 10¹⁰

Factors of 21001300320

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 551

Divisors of 21001300320

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 13 14 15 16 20 21 22 24 26 28 30 32 33 35 39 40 42 44 48 52 55 56 60 65 66 70 77 78 80 84 88 91 96 104 105 109 110 112 120 130 132 140 143 154 156 160 165 168 176 182 195 208 210 218 220 224 231 240 260 264 273 280 286 308 312 327 330 336 352 364 385 390 401 416 420 429 436 440 455 462 480 520 528 545 546 560 572 616 624 654 660 672 715 728 763 770 780 802 840 858 872 880 910 924 1001 1040 1056 1090 1092 1120 1144 1155 1199 1203 1232 1248 1308 1320 1365 1417 1430 1456 1526 1540 1560 1604 1635 1680 1716 1744 1760 1820 1848 2002 2005 2080 2145 2180 2184 2288 2289 2310 2398 2406 2464 2616 2640 2730 2807 2834 2860 2912 3003 3052 3080 3120 3208 3270 3360 3432 3488 3597 3640 3696 3815 4004 4010 4251 4290 4360 4368 4411 4576 4578 4620 4796 4812 5005 5213 5232 5280 5460 5614 5668 5720 5995 6006 6015 6104 6160 6240 6416 6540 6864 7085 7194 7280 7392 7630 8008 8020 8393 8421 8502 8580 8720 8736 8822 9156 9240 9592 9624 9919 10010 10426 10464 10920 11228 11336 11440 11445 11990 12012 12030 12208 12320 12832 13080 13233 13728 14035 14170 14388 14560 15015 15260 15587 15639 16016 16040 16786 16842 17004 17160 17440 17644 17985 18312 18480 19184 19248 19838 20020 20852 21255 21840 22055 22456 22672 22880 22890 23980 24024 24060 24416 25179 26065 26160 26466 28070 28340 28776 29757 30030 30520 30877 31174 31278 32032 32080 33572 33684 34008 34320 35288 35970 36491 36624 36960 38368 38496 39676 40040 41704 41965 42105 42510 43680 43709 44110 44912 45344 45780 46761 47960 48048 48120 49595 50358 52130 52320 52932 56140 56680 57343 57552 59514 60060 61040 61754 62348 62556 64160 66165 67144 67368 68016 68640 70576 71940 72982 73248 77935 78195 79352 80080 83408 83930 84210 85020 87418 88220 89824 91560 92631 93522 95920 96096 96240 99190 100716 104260 105864 109109 109473 112280 113360 114686 115104 119028 120120 122080 123508 124696 125112 125895 131127 132330 134288 134736 136032 141152 143880 145964 148785 154385 155870 156390 158704 160160 166816 167860 168420 170040 172029 174836 176440 182455 183120 185262 187044 191840 192480 198380 201432 208520 211728 218218 218545 218946 224560 226720 229372 233805 238056 240240 247016 249392 250224 251790 262254 264660 268576 269472 286715 287760 291928 297570 305963 308770 311740 312780 317408 327327 335720 336840 340080 344058 349672 352880 364910 366240 370524 374088 396760 401401 402864 417040 423456 436436 437090 437892 449120 458744 463155 467610 476112 480480 480799 494032 498784 500448 503580 524508 529320 545545 547365 568217 573430 575520 583856 595140 611926 617540 623480 625560 654654 655635 671440 673680 680160 688116 699344 705760 729820 741048 748176 793520 802802 805728 834080 860145 872872 874180 875784 917488 917889 926310 935220 952224 961598 988064 1007160 1049016 1058640 1091090 1094730 1136434 1146860 1167712 1190280 1204203 1223852 1235080 1246960 1251120 1309308 1311270 1342880 1347360 1376232 1398688 1442397 1459640 1482096 1496352 1529815 1587040 1605604 1636635 1704651 1720290 1745744 1748360 1751568 1834976 1835778 1852620 1870440 1923196 2007005 2014320 2098032 2117280 2182180 2189460 2272868 2293720 2380560 2403995 2408406 2447704 2470160 2493920 2502240 2618616 2622540 2752464 2841085 2884794 2919280 2964192 3059630 3211208 3273270 3365593 3409302 3440580 3491488 3496720 3503136 3671556 3705240 3740880 3846392 3977519 4014010 4028640 4196064 4364360 4378920 4545736 4587440 4589445 4761120 4807990 4816812 4895408 4940320 5237232 5245080 5504928 5682170 5769588 5838560 6021015 6119260 6250387 6422416 6546540 6731186 6818604 6881160 6993440 7211985 7343112 7410480 7481760 7692784 7955038 8028020 8523255 8728720 8757840 9091472 9174880 9178890 9615980 9633624 9790816 10096779 10474464 10490160 11364340 11539176 11932557 12042030 12238520 12500774 12844832 13093080 13462372 13637208 13762320 14423970 14686224 14820960 15385568 15910076 16056040 16827965 17046510 17457440 17515680 18182944 18357780 18751161 19231960 19267248 19887595 20193558 20980320 22728680 23078352 23865114 24084060 24477040 25001548 26186160 26924744 27274416 27524640 28847940 29372448 31251935 31820152 32112080 33655930 34093020 36715560 37502322 38463920 38534496 39775190 40387116 43752709 45457360 46156704 47730228 48168120 48954080 50003096 50483895 52372320 53849488 54548832 57695880 59662785 62503870 63640304 64224160 67311860 68186040 73431120 75004644 76927840 79550380 80774232 87505418 90914720 93755805 95460456 96336240 100006192 100967790 107698976 115391760 119325570 125007740 127280608 131258127 134623720 136372080 146862240 150009288 159100760 161548464 175010836 187511610 190920912 192672480 200012384 201935580 218763545 230783520 238651140 250015480 262516254 269247440 272744160 300018576 318201520 323096928 350021672 375023220 381841824 403871160 437527090 477302280 500030960 525032508 538494880 600037152 636403040 656290635 700043344 750046440 807742320 875054180 954604560 1000061920 1050065016 1312581270 1400086688 1500092880 1615484640 1750108360 1909209120 2100130032 2625162540 3000185760 3500216720 4200260064 5250325080 7000433440 10500650160 21001300320
• Sum of all divisors σ(n): 89860700160
• Sum of proper divisors (its aliquot sum) s(n): 68859399840
• 21001300320 is an abundant number, because the sum of its proper divisors (68859399840) is greater than itself. Its abundance is 47858099520

Bases of 21001300320

• Binary: 10011100011110001100110100101100000₂
• Hexadecimal: 0x4E3C66960
• Base-36: 9NBMR1C

Squares and roots of 21001300320

• 21001300320 squared (21001300320²) is 441054615130832102400
• 21001300320 cubed (21001300320³) is 9262720429884621073999392768000
• The square root of 21001300320 is 144918.2539226857
• The cube root of 21001300320 is 2758.9811194009

Scales and comparisons

• 21,001,300,320 seconds is equal to 667 years, 40 weeks, 2 days, 14 hours, 32 minutes.
• To count from 1 to 21,001,300,320 would take you about one thousand, three hundred thirty-five 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 21001300320 cubic inches would be around 229.9 feet tall.

Recreational maths with 21001300320

• 21001300320 backwards is 02300310012
• 21001300320 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21001300320's digits is 12
• More coming soon!