642739836224

Names of 642739836224

• Cardinal: 642739836224 can be written as Six hundred forty-two billion, seven hundred thirty-nine million, eight hundred thirty-six thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 6.42739836224 × 10¹¹

Factors of 642739836224

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3222

Divisors of 642739836224

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 124 149 248 298 496 596 992 1151 1192 1889 1984 2302 2384 3778 4604 4619 4768 7556 9208 9238 9536 15112 18416 18476 30224 35681 36832 36952 58559 60448 71362 73664 73904 117118 120896 142724 147808 171499 234236 281461 285448 295616 342998 468472 562922 570896 685996 936944 1125844 1141792 1371992 1873888 2174239 2251688 2283584 2743984 3747776 4348478 4503376 5316469 5487968 8696956 8725291 9006752 10632938 10975936 17393912 17450582 18013504 21265876 34787824 34901164 42531752 67401409 69575648 69802328 85063504 134802818 139151296 139604656 170127008 269605636 279209312 323961611 340254016 539211272 558418624 647923222 1078422544 1295846444 2156845088 2591692888 4313690176 5183385776 10042809941 10366771552 20085619882 20733543104 40171239764 80342479528 160684959056 321369918112 642739836224
• Sum of all divisors σ(n): 1327269888000
• Sum of proper divisors (its aliquot sum) s(n): 684530051776
• 642739836224 is an abundant number, because the sum of its proper divisors (684530051776) is greater than itself. Its abundance is 41790215552

Bases of 642739836224

• Binary: 1001010110100110010001111001010101000000₂
• Hexadecimal: 0x95A6479540
• Base-36: 879QPBNK

Squares and roots of 642739836224

• 642739836224 squared (642739836224²) is 413114497069254342578176
• 642739836224 cubed (642739836224³) is 265525144188052664134497632156647424
• The square root of 642739836224 is 801710.5688613565
• The cube root of 642739836224 is 8630.0187495045

Scales and comparisons

• 642,739,836,224 seconds is equal to 20,437 years, 7 weeks, 1 day, 11 hours, 23 minutes, 44 seconds.
• To count from 1 to 642,739,836,224 would take you about forty thousand, eight hundred seventy-four 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 642739836224 cubic inches would be around 719.2 feet tall.

Recreational maths with 642739836224

• 642739836224 backwards is 422638937246
• The number of decimal digits it has is: 12
• The sum of 642739836224's digits is 56
• More coming soon!