21648045478016

Names of 21648045478016

• Cardinal: 21648045478016 can be written as Twenty-one trillion, six hundred forty-eight billion, forty-five million, four hundred seventy-eight thousand and sixteen.

Scientific notation

• Scientific notation: 2.1648045478016 × 10¹³

Factors of 21648045478016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 581

Divisors of 21648045478016

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 8 16 32 64 73 127 128 146 254 292 379 508 584 758 1016 1168 1516 2032 2336 3032 4064 4672 6064 8128 9271 9344 12128 16129 16256 18542 24256 27667 32258 37084 48133 48512 55334 64516 74168 96266 110668 129032 143641 148336 192532 221336 258064 287282 296672 385064 442672 516128 574564 593344 770128 885344 1032256 1149128 1177417 1186688 1540256 1770688 2064512 2298256 2354834 3080512 3513709 3541376 4596512 4709668 6112891 6161024 7027418 9193024 9419336 10485793 12225782 14054836 18242407 18386048 18838672 20971586 24451564 28109672 36484814 37677344 41943172 48903128 56219344 72969628 75354688 83886344 97806256 112438688 145939256 150709376 167772688 195612512 224877376 291878512 335545376 391225024 446241043 449754752 583757024 671090752 782450048 892482086 1167514048 1331695711 1342181504 1784964172 2316785689 2335028096 2663391422 3569928344 4633571378 5326782844 7139856688 9267142756 10653565688 14279713376 18534285512 21307131376 28559426752 37068571024 42614262752 57118853504 74137142048 85228525504 148274284096 169125355297 170457051008 296548568192 338250710594 676501421188 1353002842376 2706005684752 5412011369504 10824022739008 21648045478016
• Sum of all divisors σ(n): 44181263121390
• Sum of proper divisors (its aliquot sum) s(n): 22533217643374
• 21648045478016 is an abundant number, because the sum of its proper divisors (22533217643374) is greater than itself. Its abundance is 885172165358

Bases of 21648045478016

• Binary: 100111011000001010100000011111001000010000000₂
• Hexadecimal: 0x13B0540F9080
• Base-36: 7O8Z3CARK

Squares and roots of 21648045478016

• 21648045478016 squared (21648045478016²) is 468637873018248985939296256
• 21648045478016 cubed (21648045478016³) is 10145093987819741377509559880978159108096
• The square root of 21648045478016 is 4652746.0147762203
• The cube root of 21648045478016 is 27870.1665397455

Scales and comparisons

• 21,648,045,478,016 seconds is equal to 688,340 years, 45 weeks, 6 days, 22 hours, 6 minutes, 56 seconds.
• To count from 1 to 21,648,045,478,016 would take you about one million, seven hundred twenty thousand, eight hundred fifty-two 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 21648045478016 cubic inches would be around 2322.5 feet tall.

Recreational maths with 21648045478016

• 21648045478016 backwards is 61087454084612
• The number of decimal digits it has is: 14
• The sum of 21648045478016's digits is 56
• More coming soon!