21438395701875

Names of 21438395701875

• Cardinal: 21438395701875 can be written as Twenty-one trillion, four hundred thirty-eight billion, three hundred ninety-five million, seven hundred one thousand, eight hundred seventy-five.

Scientific notation

• Scientific notation: 2.1438395701875 × 10¹³

Factors of 21438395701875

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 117

Divisors of 21438395701875

• Number of divisors d(n): 150
• Complete list of divisors:
  1 3 5 9 15 25 27 45 75 81 109 125 135 225 243 327 375 405 545 625 675 981 1125 1215 1635 1875 2025 2725 2943 3375 4905 5625 6075 8175 8829 10125 11881 13625 14715 16875 24525 26487 30375 35643 40875 44145 50625 59405 68125 73575 106929 122625 132435 151875 178215 204375 220725 297025 320787 367875 534645 613125 662175 891075 962361 1103625 1295029 1485125 1603935 1839375 2673225 2887083 3310875 3885087 4455375 4811805 5518125 6475145 7425625 8019675 11655261 13366125 14435415 16554375 19425435 22276875 24059025 32375725 34965783 40098375 58276305 66830625 72177075 97127175 104897349 120295125 141158161 161878625 174828915 200491875 291381525 314692047 360885375 423474483 485635875 524486745 601475625 705790805 809393125 874144575 1270423449 1456907625 1573460235 1804426875 2117372415 2428179375 2622433725 3528954025 3811270347 4370722875 6352117245 7284538125 7867301175 10586862075 11433811041 13112168625 17644770125 19056351735 21853614375 31760586225 34301433123 39336505875 52934310375 57169055205 65560843125 88223850625 95281758675 158802931125 171507165615 196682529375 264671551875 285845276025 476408793375 794014655625 857535828075 1429226380125 2382043966875 4287679140375 7146131900625 21438395701875
• Sum of all divisors σ(n): 40500571515404
• Sum of proper divisors (its aliquot sum) s(n): 19062175813529
• 21438395701875 is a deficient number, because the sum of its proper divisors (19062175813529) is less than itself. Its deficiency is 2376219888346

Bases of 21438395701875

• Binary: 100110111111110000011111101011101101001110011₂
• Hexadecimal: 0x137F83F5DA73
• Base-36: 7LKNVA06R

Squares and roots of 21438395701875

• 21438395701875 squared (21438395701875²) is 459604810270172473878515625
• 21438395701875 cubed (21438395701875³) is 9853189789057140421512105085905029296875
• The square root of 21438395701875 is 4630161.5200633121
• The cube root of 21438395701875 is 27779.9052987759

Scales and comparisons

• 21,438,395,701,875 seconds is equal to 681,674 years, 34 weeks, 5 days, 21 hours, 11 minutes, 15 seconds.
• To count from 1 to 21,438,395,701,875 would take you about one million, seven hundred four thousand, one hundred eighty-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 21438395701875 cubic inches would be around 2315 feet tall.

Recreational maths with 21438395701875

• 21438395701875 backwards is 57810759383412
• The number of decimal digits it has is: 14
• The sum of 21438395701875's digits is 63
• More coming soon!