421969878420402

Names of 421969878420402

• Cardinal: 421969878420402 can be written as Four hundred twenty-one trillion, nine hundred sixty-nine billion, eight hundred seventy-eight million, four hundred twenty thousand, four hundred two.

Scientific notation

• Scientific notation: 4.21969878420402 × 10¹⁴

Factors of 421969878420402

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 4272403

Divisors of 421969878420402

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 13 26 39 78 337 674 1011 2022 3761 4381 7522 8762 11283 13143 22566 26286 48893 97786 146679 293358 1267457 2534914 3802371 4268287 7604742 8536574 12804861 16476941 25609722 32953882 49430823 55487731 98861646 110975462 166463193 332926386 1438412719 2876825438 4315238157 8630476314 16053027407 18699365347 32106054814 37398730694 48159082221 56098096041 96318164442 112196192082 208689356291 417378712582 626068068873 1252136137746 5409870236159 10819740472318 16229610708477 32459221416954 70328313070067 140656626140134 210984939210201 421969878420402
• Sum of all divisors σ(n): 911797692309504
• Sum of proper divisors (its aliquot sum) s(n): 489827813889102
• 421969878420402 is an abundant number, because the sum of its proper divisors (489827813889102) is greater than itself. Its abundance is 67857935468700

Bases of 421969878420402

• Binary: 1011111111100011110000100101101011000101110110010₂
• Hexadecimal: 0x17FC784B58BB2
• Base-36: 45KQAAO71U

Squares and roots of 421969878420402

• 421969878420402 squared (421969878420402²) is 178058578294128845478649841604
• 421969878420402 cubed (421969878420402³) is 75135356634483179474915080163274555022004808
• The square root of 421969878420402 is 20541905.4233146055
• The cube root of 421969878420402 is 75005.6220034765

Scales and comparisons

• 421,969,878,420,402 seconds is equal to 13,417,336 years, 46 weeks, 3 days, 20 hours, 46 minutes, 42 seconds.
• To count from 1 to 421,969,878,420,402 would take you about thirty-three million, five hundred forty-three thousand, three hundred forty-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 421969878420402 cubic inches would be around 6250.5 feet tall.

Recreational maths with 421969878420402

• 421969878420402 backwards is 204024878969124
• The number of decimal digits it has is: 15
• The sum of 421969878420402's digits is 66
• More coming soon!