21078765453312

Names of 21078765453312

• Cardinal: 21078765453312 can be written as Twenty-one trillion, seventy-eight billion, seven hundred sixty-five million, four hundred fifty-three thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1078765453312 × 10¹³

Factors of 21078765453312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 4531

Divisors of 21078765453312

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 112 126 128 144 168 192 224 252 256 288 336 384 448 504 512 576 672 768 896 1008 1024 1152 1344 1536 1792 2016 2048 2304 2688 3072 3584 4032 4096 4519 4608 5376 6144 7168 8064 8192 9038 9216 10752 12288 13557 14336 16128 16384 18076 18432 21504 24576 27114 28672 31633 32256 36152 36864 40671 43008 49152 54228 57344 63266 64512 72304 73728 81342 86016 94899 108456 114688 126532 129024 144608 147456 162684 172032 189798 216912 253064 258048 284697 289216 325368 344064 379596 433824 506128 516096 569394 578432 650736 759192 867648 1012256 1032192 1138788 1156864 1301472 1518384 1735296 2024512 2277576 2313728 2602944 3036768 3470592 4049024 4555152 4627456 5205888 6073536 6941184 8098048 9110304 9254912 10411776 12147072 13882368 16196096 18220608 18509824 20421361 20823552 24294144 27764736 32392192 36441216 37019648 40842722 41647104 48588288 55529472 61264083 64784384 72882432 74039296 81685444 83294208 97176576 111058944 122528166 129568768 142949527 145764864 163370888 166588416 183792249 194353152 222117888 245056332 259137536 285899054 291529728 326741776 333176832 367584498 388706304 428848581 490112664 518275072 571798108 583059456 653483552 666353664 735168996 777412608 857697162 980225328 1143596216 1166118912 1286545743 1306967104 1470337992 1554825216 1715394324 1960450656 2287192432 2332237824 2573091486 2613934208 2940675984 3430788648 3920901312 4574384864 4664475648 5146182972 5227868416 5881351968 6861577296 7841802624 9148769728 10292365944 10455736832 11762703936 13723154592 15683605248 18297539456 20584731888 20911473664 23525407872 27446309184 31367210496 36595078912 41169463776 41822947328 47050815744 54892618368 62734420992 73190157824 82338927552 83645894656 94101631488 109785236736 125468841984 146380315648 164677855104 167291789312 188203262976 219570473472 250937683968 292760631296 329355710208 334583578624 376406525952 439140946944 501875367936 585521262592 658711420416 752813051904 878281893888 1003750735872 1171042525184 1317422840832 1505626103808 1756563787776 2342085050368 2634845681664 3011252207616 3513127575552 5269691363328 7026255151104 10539382726656 21078765453312
• Sum of all divisors σ(n): 69606663643608
• Sum of proper divisors (its aliquot sum) s(n): 48527898190296
• 21078765453312 is an abundant number, because the sum of its proper divisors (48527898190296) is greater than itself. Its abundance is 27449132736984

Bases of 21078765453312

• Binary: 100110010101111001000010100111100000000000000₂
• Hexadecimal: 0x132BC853C000
• Base-36: 7GZG8POG0

Squares and roots of 21078765453312

• 21078765453312 squared (21078765453312²) is 444314353035739444851769344
• 21078765453312 cubed (21078765453312³) is 9365598035180416362598025061025424867328
• The square root of 21078765453312 is 4591161.6670851397
• The cube root of 21078765453312 is 27623.6920479267

Scales and comparisons

• 21,078,765,453,312 seconds is equal to 670,239 years, 28 weeks, 17 hours, 55 minutes, 12 seconds.
• To count from 1 to 21,078,765,453,312 would take you about one million, six hundred seventy-five thousand, five hundred ninety-eight 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 21078765453312 cubic inches would be around 2302 feet tall.

Recreational maths with 21078765453312

• 21078765453312 backwards is 21335456787012
• The number of decimal digits it has is: 14
• The sum of 21078765453312's digits is 54
• More coming soon!