21271086520128

Names of 21271086520128

• Cardinal: 21271086520128 can be written as Twenty-one trillion, two hundred seventy-one billion, eighty-six million, five hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1271086520128 × 10¹³

Factors of 21271086520128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 7786

Divisors of 21271086520128

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 576 864 1231 1728 2423 2462 3693 4127 4846 4924 7269 7386 8254 9692 9848 11079 12381 14538 14772 16508 19384 19696 21807 22158 24762 29076 29544 33016 33237 37143 38768 39392 43614 44316 49524 58152 59088 65421 66032 66474 74286 77536 78784 87228 88632 99048 111429 116304 118176 130842 132064 132948 148572 155072 174456 177264 198096 222858 232608 236352 261684 264128 265896 297144 348912 354528 396192 445716 465216 523368 531792 594288 697824 709056 792384 891432 1046736 1063584 1188576 1395648 1782864 2093472 2127168 2377152 2982713 3565728 4186944 5080337 5965426 7131456 8948139 9999721 10160674 11930852 15241011 17896278 19999442 20321348 23861704 26844417 29999163 30482022 35792556 39998884 40642696 45723033 47723408 53688834 59998326 60964044 71585112 79997768 80533251 81285392 89997489 91446066 95446816 107377668 119996652 121928088 137169099 143170224 159995536 161066502 162570784 179994978 182892132 190893632 214755336 239993304 243856176 269992467 274338198 286340448 319991072 322133004 325141568 359989956 365784264 429510672 479986608 487712352 539984934 548676396 572680896 639982144 644266008 719979912 731568528 859021344 959973216 975424704 1079969868 1097352792 1288532016 1439959824 1463137056 1718042688 1919946432 2159939736 2194705584 2577064032 2879919648 2926274112 4319879472 4389411168 5154128064 5759839296 8639758944 8778822336 12309656551 17279517888 24619313102 36928969653 49238626204 73857939306 98477252408 110786908959 147715878612 196954504816 221573817918 295431757224 332360726877 393909009632 443147635836 590863514448 664721453754 787818019264 886295271672 1181727028896 1329442907508 1772590543344 2363454057792 2658885815016 3545181086688 5317771630032 7090362173376 10635543260064 21271086520128
• Sum of all divisors σ(n): 62624853688320
• Sum of proper divisors (its aliquot sum) s(n): 41353767168192
• 21271086520128 is an abundant number, because the sum of its proper divisors (41353767168192) is greater than itself. Its abundance is 20082680648064

Bases of 21271086520128

• Binary: 100110101100010001111100011100101011101000000₂
• Hexadecimal: 0x13588F8E5740
• Base-36: 7JFSVPLC0

Squares and roots of 21271086520128

• 21271086520128 squared (21271086520128²) is 452459121746771108549136384
• 21271086520128 cubed (21271086520128³) is 9624297125496696548168578397238233137152
• The square root of 21271086520128 is 4612058.8157706749
• The cube root of 21271086520128 is 27707.4499895605

Scales and comparisons

• 21,271,086,520,128 seconds is equal to 676,354 years, 39 weeks, 2 days, 28 minutes, 48 seconds.
• To count from 1 to 21,271,086,520,128 would take you about one million, six hundred ninety thousand, eight hundred eighty-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 21271086520128 cubic inches would be around 2309 feet tall.

Recreational maths with 21271086520128

• 21271086520128 backwards is 82102568017212
• The number of decimal digits it has is: 14
• The sum of 21271086520128's digits is 45
• More coming soon!