428463920187

Names of 428463920187

• Cardinal: 428463920187 can be written as Four hundred twenty-eight billion, four hundred sixty-three million, nine hundred twenty thousand, one hundred eighty-seven.

Scientific notation

• Scientific notation: 4.28463920187 × 10¹¹

Factors of 428463920187

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 104

Divisors of 428463920187

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 17 27 37 47 51 81 111 141 153 243 333 423 459 629 729 799 999 1269 1377 1739 1887 2187 2209 2397 2997 3807 4131 5217 5661 6561 6627 7191 8991 11421 12393 15651 16983 19881 21573 26973 29563 34263 37179 37553 46953 50949 59643 64719 80919 81733 88689 102789 103823 111537 112659 140859 152847 178929 194157 242757 245199 266067 308367 311469 337977 422577 458541 536787 582471 735597 798201 934407 1013931 1267731 1375623 1389461 1610361 1747413 1764991 2206791 2394603 2803221 3041793 3803193 3841451 4126869 4168383 4831083 5242239 5294973 6620373 7183809 8409663 9125379 11409579 11524353 12505149 14493249 15884919 19861119 21551427 25228989 27376137 34573059 37515447 47654757 59583357 64654281 65304667 75686967 82128411 103719177 112546341 142964271 178750071 193962843 195914001 227060901 246385233 311157531 337639023 428892813 536250213 587742003 681182703 933472593 1012917069 1286678439 1763226009 2800417779 3038751207 3860035317 5289678027 8401253337 9116253621 11580105951 15869034081 25203760011 47607102243 142821306729 428463920187
• Sum of all divisors σ(n): 714050363520
• Sum of proper divisors (its aliquot sum) s(n): 285586443333
• 428463920187 is a deficient number, because the sum of its proper divisors (285586443333) is less than itself. Its deficiency is 142877476854

Bases of 428463920187

• Binary: 110001111000010011100001001010000111011₂
• Hexadecimal: 0x63C270943B
• Base-36: 5GU0CSOR

Squares and roots of 428463920187

• 428463920187 squared (428463920187²) is 183581330902011906114969
• 428463920187 cubed (428463920187³) is 78657976711422866059367814861979203
• The square root of 428463920187 is 654571.5546729783
• The cube root of 428463920187 is 7538.8439255695

Scales and comparisons

• 428,463,920,187 seconds is equal to 13,623 years, 43 weeks, 3 hours, 36 minutes, 27 seconds.
• To count from 1 to 428,463,920,187 would take you about twenty-seven thousand, two hundred forty-seven 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 428463920187 cubic inches would be around 628.2 feet tall.

Recreational maths with 428463920187

• 428463920187 backwards is 781029364824
• The number of decimal digits it has is: 12
• The sum of 428463920187's digits is 54
• More coming soon!