21312988264477

Names of 21312988264477

• Cardinal: 21312988264477 can be written as Twenty-one trillion, three hundred twelve billion, nine hundred eighty-eight million, two hundred sixty-four thousand, four hundred seventy-seven.

Scientific notation

• Scientific notation: 2.1312988264477 × 10¹³

Factors of 21312988264477

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 20412

Divisors of 21312988264477

• Number of divisors d(n): 96
• Complete list of divisors:
  1 7 13 31 49 73 91 217 403 511 637 757 949 1519 2263 2821 3577 5299 6643 9841 15841 19531 19747 23467 29419 37093 46501 55261 68887 110887 136717 164269 205933 253903 305071 386827 482209 605461 718393 957019 1149883 1425763 1441531 1713091 1777321 2135497 2707789 4238227 5028751 7870993 9980341 11991637 12441247 14784967 14948479 18534919 22270183 29667589 35201257 44198653 55096951 69862387 83941459 103494769 129744433 155891281 192204571 309390571 385678657 458333977 574582489 724463383 908211031 1079302591 1091238967 1345431997 2165733997 3208337839 4022077423 5958341701 7555118137 9418023979 14030933683 22458364873 28154541961 33458380321 41708391907 52885826959 98216535781 234208662247 291958743349 434958944173 687515750467 1639460635729 3044712609211 21312988264477
• Sum of all divisors σ(n): 27976959273984
• Sum of proper divisors (its aliquot sum) s(n): 6663971009507
• 21312988264477 is a deficient number, because the sum of its proper divisors (6663971009507) is less than itself. Its deficiency is 14649017254970

Bases of 21312988264477

• Binary: 100110110001001010001000110000011100000011101₂
• Hexadecimal: 0x13625118381D
• Base-36: 7JZ1UXE71

Squares and roots of 21312988264477

• 21312988264477 squared (21312988264477²) is 454243468761734324500083529
• 21312988264477 cubed (21312988264477³) is 9681285718934168404955595193383243499333
• The square root of 21312988264477 is 4616599.2098596777
• The cube root of 21312988264477 is 27725.6316180375

Scales and comparisons

• 21,312,988,264,477 seconds is equal to 677,687 years, 5 weeks, 1 day, 21 hours, 54 minutes, 37 seconds.
• To count from 1 to 21,312,988,264,477 would take you about one million, six hundred ninety-four thousand, two hundred 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 21312988264477 cubic inches would be around 2310.5 feet tall.

Recreational maths with 21312988264477

• 21312988264477 backwards is 77446288921312
• The number of decimal digits it has is: 14
• The sum of 21312988264477's digits is 64
• More coming soon!