21234995897472

Names of 21234995897472

• Cardinal: 21234995897472 can be written as Twenty-one trillion, two hundred thirty-four billion, nine hundred ninety-five million, eight hundred ninety-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.1234995897472 × 10¹³

Factors of 21234995897472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 24264

Divisors of 21234995897472

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 128 144 168 189 191 192 216 224 252 288 336 378 382 384 432 448 504 573 576 672 756 764 864 896 1008 1146 1152 1337 1344 1512 1528 1719 1728 2016 2292 2674 2688 3024 3056 3438 3456 4011 4032 4584 5157 5348 6048 6112 6876 8022 8064 9168 10314 10696 12033 12096 12224 13752 16044 18336 20628 21392 24061 24066 24192 24448 27504 32088 36099 36481 36672 41256 42784 48122 48132 55008 64176 72183 72198 72962 73344 82512 85568 96244 96264 109443 110016 128352 144366 144396 145924 165024 168427 171136 192488 192528 216549 218886 220032 255367 256704 288732 288792 291848 328329 330048 336854 384976 385056 433098 437772 505281 510734 513408 577464 577584 583696 649647 656658 660096 673708 766101 769952 770112 866196 875544 984987 1010562 1021468 1154928 1155168 1167392 1299294 1313316 1347416 1515843 1532202 1539904 1540224 1732392 1751088 1969974 2021124 2042936 2298303 2309856 2310336 2334784 2598588 2626632 2694832 3031686 3064404 3079808 3464784 3502176 3939948 4042248 4085872 4547529 4595651 4596606 4619712 4620672 4669568 5197176 5253264 5389664 6063372 6128808 6894909 6929568 7004352 7879896 8084496 8171744 9095058 9191302 9193212 9239424 10394352 10506528 10779328 12126744 12257616 13786953 13789818 13859136 14008704 15759792 16168992 16343488 18190116 18382604 18386424 20788704 21013056 21558656 24253488 24515232 27573906 27579636 27718272 31519584 32169557 32337984 32686976 36380232 36765208 36772848 41360859 41577408 42026112 48506976 49030464 55147812 55159272 63039168 64339114 64675968 72760464 73530416 73545696 82721718 83154816 96508671 97013952 98060928 110295624 110318544 124082577 126078336 128678228 145520928 147060832 147091392 165443436 193017342 194027904 220591248 220637088 248165154 257356456 289526013 291041856 294121664 294182784 330886872 386034684 441182496 441274176 496330308 514712912 579052026 582083712 588243328 661773744 772069368 868578039 877769341 882364992 882548352 992660616 1029425824 1158104052 1323547488 1544138736 1737156078 1755538682 1764729984 1985321232 2058851648 2316208104 2633308023 2647094976 3088277472 3474312156 3511077364 3970642464 4117703296 4632416208 5266616046 5294189952 6144385387 6176554944 6948624312 7022154728 7899924069 7941284928 9264832416 10533232092 12288770774 12353109888 13897248624 14044309456 15799848138 15882569856 18433156161 18529664832 21066464184 23699772207 24577541548 27794497248 28088618912 31599696276 36866312322 37059329664 42132928368 47399544414 49155083096 55299468483 55588994496 56177237824 63199392552 73732624644 84265856736 94799088828 98310166192 110598936966 111177988992 112354475648 126398785104 147465249288 165898405449 168531713472 189598177656 196620332384 221197873932 252797570208 294930498576 331796810898 337063426944 379196355312 393240664768 442395747864 505595140416 589860997152 663593621796 758392710624 786481329536 884791495728 1011190280832 1179721994304 1327187243592 1516785421248 1769582991456 2359443988608 2654374487184 3033570842496 3539165982912 5308748974368 7078331965824 10617497948736 21234995897472
• Sum of all divisors σ(n): 72005939241600
• Sum of proper divisors (its aliquot sum) s(n): 50770943344128
• 21234995897472 is an abundant number, because the sum of its proper divisors (50770943344128) is greater than itself. Its abundance is 29535947446656

Bases of 21234995897472

• Binary: 100110101000000101000011000110010010010000000₂
• Hexadecimal: 0x135028632480
• Base-36: 7IZ80AAO0

Squares and roots of 21234995897472

• 21234995897472 squared (21234995897472²) is 450925050765652670735990784
• 21234995897472 cubed (21234995897472³) is 9575391603075987795567244329057200898048
• The square root of 21234995897472 is 4608144.5178587879
• The cube root of 21234995897472 is 27691.7707213751

Scales and comparisons

• 21,234,995,897,472 seconds is equal to 675,207 years, 9 weeks, 4 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,234,995,897,472 would take you about one million, six hundred eighty-eight thousand and seventeen 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 21234995897472 cubic inches would be around 2307.6 feet tall.

Recreational maths with 21234995897472

• 21234995897472 backwards is 27479859943212
• 21234995897472 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21234995897472's digits is 72
• More coming soon!