21289200168960

Names of 21289200168960

• Cardinal: 21289200168960 can be written as Twenty-one trillion, two hundred eighty-nine billion, two hundred million, one hundred sixty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.128920016896 × 10¹³

Factors of 21289200168960

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 497

Divisors of 21289200168960

• Number of divisors d(n): 312
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 72 80 90 96 120 128 144 160 180 192 240 256 288 320 360 384 480 487 512 576 640 720 768 960 974 1024 1152 1280 1440 1461 1536 1920 1948 2048 2304 2435 2560 2880 2922 3072 3840 3896 4096 4383 4608 4870 5120 5760 5844 6144 7305 7680 7792 8766 9216 9740 10240 11520 11688 12288 14610 15360 15584 17532 18432 19480 20480 21915 23040 23376 29220 30720 31168 35064 36864 38960 43830 46080 46752 58440 61440 62336 70128 77920 87660 92160 93504 116880 124672 140256 155840 175320 184320 187008 233760 237169 249344 280512 311680 350640 374016 467520 474338 498688 561024 623360 701280 711507 748032 935040 948676 997376 1122048 1185845 1246720 1402560 1423014 1496064 1870080 1897352 1994752 2134521 2244096 2371690 2493440 2805120 2846028 2992128 3557535 3740160 3794704 4269042 4488192 4743380 4986880 5610240 5692056 5984256 7115070 7480320 7589408 8538084 8976384 9486760 9973760 10672605 11220480 11384112 14230140 14960640 15178816 17076168 17952768 18973520 21345210 22440960 22768224 28460280 29921280 30357632 34152336 37947040 42690420 44881920 45536448 56920560 60715264 68304672 75894080 85380840 89763840 91072896 113841120 115501303 121430528 136609344 151788160 170761680 182145792 227682240 231002606 242861056 273218688 303576320 341523360 346503909 364291584 455364480 462005212 485722112 546437376 577506515 607152640 683046720 693007818 728583168 910728960 924010424 971444224 1039511727 1092874752 1155013030 1214305280 1366093440 1386015636 1457166336 1732519545 1821457920 1848020848 2079023454 2185749504 2310026060 2428610560 2732186880 2772031272 2914332672 3465039090 3642915840 3696041696 4158046908 4371499008 4620052120 4857221120 5197558635 5464373760 5544062544 6930078180 7285831680 7392083392 8316093816 8742998016 9240104240 10395117270 10928747520 11088125088 13860156360 14571663360 14784166784 16632187632 18480208480 20790234540 21857495040 22176250176 27720312720 29568333568 33264375264 36960416960 41580469080 43714990080 44352500352 55440625440 59136667136 66528750528 73920833920 83160938160 88705000704 110881250880 118273334272 133057501056 147841667840 166321876320 177410001408 221762501760 236546668544 266115002112 295683335680 332643752640 354820002816 443525003520 473093337088 532230004224 591366671360 665287505280 709640005632 887050007040 1064460008448 1182733342720 1330575010560 1419280011264 1774100014080 2128920016896 2365466685440 2661150021120 3548200028160 4257840033792 5322300042240 7096400056320 10644600084480 21289200168960
• Sum of all divisors σ(n): 73945390066080
• Sum of proper divisors (its aliquot sum) s(n): 52656189897120
• 21289200168960 is an abundant number, because the sum of its proper divisors (52656189897120) is greater than itself. Its abundance is 31366989728160

Bases of 21289200168960

• Binary: 100110101110011000111001101101011000000000000₂
• Hexadecimal: 0x135CC736B000
• Base-36: 7JO4G3Y80

Squares and roots of 21289200168960

• 21289200168960 squared (21289200168960²) is 453230043834046492547481600
• 21289200168960 cubed (21289200168960³) is 9648905125769530795342340659542491136000
• The square root of 21289200168960 is 4614022.1248884363
• The cube root of 21289200168960 is 27715.3126285865

Scales and comparisons

• 21,289,200,168,960 seconds is equal to 676,930 years, 37 weeks, 17 hours, 36 minutes.
• To count from 1 to 21,289,200,168,960 would take you about one million, six hundred ninety-two thousand, three hundred twenty-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 21289200168960 cubic inches would be around 2309.6 feet tall.

Recreational maths with 21289200168960

• 21289200168960 backwards is 06986100298212
• The number of decimal digits it has is: 14
• The sum of 21289200168960's digits is 54
• More coming soon!