21078359301456

Names of 21078359301456

• Cardinal: 21078359301456 can be written as Twenty-one trillion, seventy-eight billion, three hundred fifty-nine million, three hundred one thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 2.1078359301456 × 10¹³

Factors of 21078359301456

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 17265

Divisors of 21078359301456

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 167 216 334 432 501 668 1002 1336 1503 2004 2672 3006 4008 4509 6012 8016 9018 12024 17093 18036 24048 34186 36072 51279 68372 72144 102558 136744 153837 205116 273488 307674 410232 461511 615348 820464 923022 1230696 1846044 2461392 2854531 3692088 5709062 7384176 8563593 11418124 17127186 22836248 25690779 34254372 45672496 51381558 68508744 77072337 102763116 137017488 154144674 205526232 292170649 308289348 411052464 584341298 616578696 876511947 1168682596 1233157392 1753023894 2337365192 2629535841 3506047788 4674730384 5259071682 7012095576 7888607523 10518143364 14024191152 15777215046 21036286728 31554430092 42072573456 48792498383 63108860184 97584996766 126217720368 146377495149 195169993532 292754990298 390339987064 439132485447 585509980596 780679974128 878264970894 1171019961192 1317397456341 1756529941788 2342039922384 2634794912682 3513059883576 5269589825364 7026119767152 10539179650728 21078359301456
• Sum of all divisors σ(n): 60868550621760
• Sum of proper divisors (its aliquot sum) s(n): 39790191320304
• 21078359301456 is an abundant number, because the sum of its proper divisors (39790191320304) is greater than itself. Its abundance is 18711832018848

Bases of 21078359301456

• Binary: 100110010101110110000000111100101110101010000₂
• Hexadecimal: 0x132BB01E5D50
• Base-36: 7GZ9IWFO0

Squares and roots of 21078359301456

• 21078359301456 squared (21078359301456²) is 444297230841276672283719936
• 21078359301456 cubed (21078359301456³) is 9365056668314367737209499186426101026816
• The square root of 21078359301456 is 4591117.4349450047
• The cube root of 21078359301456 is 27623.5146263113

Scales and comparisons

• 21,078,359,301,456 seconds is equal to 670,226 years, 32 weeks, 3 days, 21 hours, 57 minutes, 36 seconds.
• To count from 1 to 21,078,359,301,456 would take you about one million, six hundred seventy-five thousand, five hundred sixty-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 21078359301456 cubic inches would be around 2302 feet tall.

Recreational maths with 21078359301456

• 21078359301456 backwards is 65410395387012
• 21078359301456 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21078359301456's digits is 54
• More coming soon!