642605467472

Names of 642605467472

• Cardinal: 642605467472 can be written as Six hundred forty-two billion, six hundred five million, four hundred sixty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.42605467472 × 10¹¹

Factors of 642605467472

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 468751

Divisors of 642605467472

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 4 8 16 17 34 68 71 136 142 272 284 568 1136 1207 2414 4828 5041 9656 10082 19312 20164 40328 80656 85697 171394 342788 468661 685576 937322 1371152 1874644 3749288 7498576 7967237 15934474 31868948 33274931 63737896 66549862 127475792 133099724 266199448 532398896 565673827 1131347654 2262695308 2362520101 4525390616 4725040202 9050781232 9450080404 18900160808 37800321616 40162841717 80325683434 160651366868 321302733736 642605467472
• Sum of all divisors σ(n): 1337117993748
• Sum of proper divisors (its aliquot sum) s(n): 694512526276
• 642605467472 is an abundant number, because the sum of its proper divisors (694512526276) is greater than itself. Its abundance is 51907058804

Bases of 642605467472

• Binary: 1001010110011110010001010100011101010000₂
• Hexadecimal: 0x959E454750
• Base-36: 877IPC28

Squares and roots of 642605467472

• 642605467472 squared (642605467472²) is 412941786824907650070784
• 642605467472 cubed (642605467472³) is 265358649961342751086965146209538048
• The square root of 642605467472 is 801626.7631959403
• The cube root of 642605467472 is 8629.4173212641

Scales and comparisons

• 642,605,467,472 seconds is equal to 20,432 years, 45 weeks, 6 hours, 44 minutes, 32 seconds.
• To count from 1 to 642,605,467,472 would take you about forty thousand, eight hundred sixty-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 642605467472 cubic inches would be around 719.1 feet tall.

Recreational maths with 642605467472

• 642605467472 backwards is 274764506246
• The number of decimal digits it has is: 12
• The sum of 642605467472's digits is 53
• More coming soon!