542138961

Names of 542138961

• Cardinal: 542138961 can be written as Five hundred forty-two million, one hundred thirty-eight thousand, nine hundred sixty-one.

Scientific notation

• Scientific notation: 5.42138961 × 10⁸

Factors of 542138961

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 586

Divisors of 542138961

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 7 13 21 39 53 89 91 159 267 273 371 421 623 689 1113 1157 1263 1869 2067 2947 3471 4717 4823 5473 8099 8841 14151 14469 16419 22313 24297 33019 37469 38311 61321 66939 99057 112407 114933 156191 183963 262283 290069 429247 468573 487097 786849 870207 1287741 1461291 1985857 2030483 3409679 5957571 6091449 10229037 13900999 25816141 41702997 77448423 180712987 542138961
• Sum of all divisors σ(n): 918812160
• Sum of proper divisors (its aliquot sum) s(n): 376673199
• 542138961 is a deficient number, because the sum of its proper divisors (376673199) is less than itself. Its deficiency is 165465762

Bases of 542138961

• Binary: 100000010100000110001001010001₂
• Hexadecimal: 0x20506251
• Base-36: 8YRX3L

Squares and roots of 542138961

• 542138961 squared (542138961²) is 293914653034159521
• 542138961 cubed (542138961³) is 159342584618614740223197681
• The square root of 542138961 is 23283.8777053995
• The cube root of 542138961 is 815.3990598433

Scales and comparisons

• 542,138,961 seconds is equal to 17 years, 12 weeks, 2 days, 18 hours, 9 minutes, 21 seconds.
• To count from 1 to 542,138,961 would take you about twenty-five 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 542138961 cubic inches would be around 67.9 feet tall.

Recreational maths with 542138961

• 542138961 backwards is 169831245
• 542138961 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 542138961's digits is 39
• More coming soon!