21272321280

Names of 21272321280

• Cardinal: 21272321280 can be written as Twenty-one billion, two hundred seventy-two million, three hundred twenty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 2.127232128 × 10¹⁰

Factors of 21272321280

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 987

Divisors of 21272321280

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 29 30 32 35 40 42 48 56 58 60 64 70 80 84 87 96 105 112 116 120 128 140 145 160 168 174 192 203 210 224 232 240 256 280 290 320 336 348 384 406 420 435 448 464 480 560 580 609 640 672 696 768 812 840 841 870 896 928 941 960 1015 1120 1160 1218 1280 1344 1392 1624 1680 1682 1740 1792 1856 1882 1920 2030 2240 2320 2436 2523 2688 2784 2823 3045 3248 3360 3364 3480 3712 3764 3840 4060 4205 4480 4640 4705 4872 5046 5376 5568 5646 5887 6090 6496 6587 6720 6728 6960 7424 7528 8120 8410 8960 9280 9410 9744 10092 11136 11292 11774 12180 12615 12992 13174 13440 13456 13920 14115 15056 16240 16820 17661 18560 18820 19488 19761 20184 22272 22584 23548 24360 25230 25984 26348 26880 26912 27289 27840 28230 29435 30112 32480 32935 33640 35322 37120 37640 38976 39522 40368 45168 47096 48720 50460 51968 52696 53824 54578 55680 56460 58870 60224 64960 65870 67280 70644 75280 77952 79044 80736 81867 88305 90336 94192 97440 98805 100920 105392 107648 109156 111360 112920 117740 120448 129920 131740 134560 136445 141288 150560 155904 158088 161472 163734 176610 180672 188384 191023 194880 197610 201840 210784 215296 218312 225840 235480 240896 259840 263480 269120 272890 282576 301120 316176 322944 327468 353220 361344 376768 382046 389760 395220 403680 409335 421568 436624 451680 470960 526960 538240 545780 565152 573069 602240 632352 645888 654936 706440 722688 753536 764092 779520 790440 791381 807360 818670 843136 873248 903360 941920 955115 1053920 1076480 1091560 1130304 1146138 1204480 1264704 1309872 1412880 1507072 1528184 1580880 1582762 1614720 1637340 1686272 1746496 1806720 1883840 1910230 2107840 2183120 2260608 2292276 2374143 2529408 2619744 2825760 2865345 3056368 3161760 3165524 3229440 3274680 3492992 3613440 3767680 3820460 3956905 4215680 4366240 4521216 4584552 4748286 5058816 5239488 5539667 5651520 5730690 6112736 6323520 6331048 6549360 6985984 7535360 7640920 7913810 8431360 8732480 9169104 9496572 10478976 11079334 11303040 11461380 11870715 12225472 12647040 12662096 13098720 15281840 15827620 16619001 17464960 18338208 18993144 20957952 22158668 22606080 22922760 23741430 24450944 25294080 25324192 26197440 27698335 30563680 31655240 33238002 34929920 36676416 37986288 44317336 45845520 47482860 48901888 50648384 52394880 55396670 61127360 63310480 66476004 73352832 75972576 83095005 88634672 91691040 94965720 101296768 104789760 110793340 122254720 126620960 132952008 146705664 151945152 166190010 177269344 183382080 189931440 202593536 221586680 244509440 253241920 265904016 303890304 332380020 354538688 366764160 379862880 443173360 506483840 531808032 607780608 664760040 709077376 733528320 759725760 886346720 1012967680 1063616064 1329520080 1418154752 1519451520 1772693440 2127232128 2659040160 3038903040 3545386880 4254464256 5318080320 7090773760 10636160640 21272321280
• Sum of all divisors σ(n): 80499129984
• Sum of proper divisors (its aliquot sum) s(n): 59226808704
• 21272321280 is an abundant number, because the sum of its proper divisors (59226808704) is greater than itself. Its abundance is 37954487424

Bases of 21272321280

• Binary: 10011110011111011011101110100000000₂
• Hexadecimal: 0x4F3EDDD00
• Base-36: 9RSZO5C

Squares and roots of 21272321280

• 21272321280 squared (21272321280²) is 452511652639540838400
• 21272321280 cubed (21272321280³) is 9625973257892072746125361152000
• The square root of 21272321280 is 145850.3386351913
• The cube root of 21272321280 is 2770.7986106751

Scales and comparisons

• 21,272,321,280 seconds is equal to 676 years, 20 weeks, 3 days, 10 hours, 8 minutes.
• To count from 1 to 21,272,321,280 would take you about one thousand, three hundred fifty-two 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 21272321280 cubic inches would be around 230.9 feet tall.

Recreational maths with 21272321280

• 21272321280 backwards is 08212327212
• 21272321280 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21272321280's digits is 30
• More coming soon!