640009325038447

Names of 640009325038447

• Cardinal: 640009325038447 can be written as Six hundred forty trillion, nine billion, three hundred twenty-five million, thirty-eight thousand, four hundred forty-seven.

Scientific notation

• Scientific notation: 6.40009325038447 × 10¹⁴

Factors of 640009325038447

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 39

Divisors of 640009325038447

• Number of divisors d(n): 168
• Complete list of divisors:
  1 7 13 19 49 91 133 169 247 343 361 637 931 1183 1729 2197 2401 2527 3211 4459 4693 6517 6859 8281 12103 15379 16807 17689 22477 31213 32851 41743 45619 48013 57967 61009 84721 89167 107653 117649 123823 130321 157339 218491 229957 292201 319333 336091 405769 427063 593047 624169 753571 793117 866761 912247 1101373 1159171 1529437 1609699 1694173 2045407 2235331 2352637 2476099 2840383 2989441 4151329 4369183 5274997 5551819 6067327 6385729 7709611 8114197 11267893 11859211 14317849 15069223 16468459 17332693 19882681 20926087 22024249 29059303 30584281 32189287 36924979 38862733 42471289 44700103 53967277 56799379 78875251 83014477 100224943 105484561 115279213 121328851 146482609 154169743 214089967 225325009 258474853 272039131 286315237 312900721 377770939 397595653 418460731 552126757 581101339 701574601 738391927 806954491 849301957 1025378263 1079188201 1498629769 1577275063 1904273917 2004206659 2190305047 2783169571 2929225117 4067709373 4911022207 5168743489 5439989503 5945113699 7177647841 7554317407 10490408383 11040925441 13329917419 14029446613 15332135329 19482186997 20504575819 28473965611 36181204423 38079926521 41615795893 52880221849 77286478087 93309421933 98206126291 136375308979 143532030733 199317759277 253268430961 266559485647 291310571251 370161552943 541005346609 687442884037 1004724215131 1772879016727 1865916399529 2591130870601 3787037426263 4812100188259 7033069505917 13061414796703 33684701317813 49231486541419 91429903576921 640009325038447
• Sum of all divisors σ(n): 853808650875600
• Sum of proper divisors (its aliquot sum) s(n): 213799325837153
• 640009325038447 is a deficient number, because the sum of its proper divisors (213799325837153) is less than itself. Its deficiency is 426209999201294

Bases of 640009325038447

• Binary: 10010001100001010111001000011110001100101101101111₂
• Hexadecimal: 0x24615C878CB6F
• Base-36: 6AV483KRJJ

Squares and roots of 640009325038447

• 640009325038447 squared (640009325038447²) is 409611936136168502038028171809
• 640009325038447 cubed (640009325038447³) is 262155458774200661184246804968318188046540623
• The square root of 640009325038447 is 25298405.5829304587
• The cube root of 640009325038447 is 86177.8061447909

Scales and comparisons

• 640,009,325,038,447 seconds is equal to 20,350,316 years, 44 weeks, 4 days, 2 hours, 14 minutes, 7 seconds.
• To count from 1 to 640,009,325,038,447 would take you about fifty million, eight hundred seventy-five thousand, seven hundred ninety-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 640009325038447 cubic inches would be around 7181.5 feet tall.

Recreational maths with 640009325038447

• 640009325038447 backwards is 744830523900046
• The number of decimal digits it has is: 15
• The sum of 640009325038447's digits is 55
• More coming soon!