642133146105

Names of 642133146105

• Cardinal: 642133146105 can be written as Six hundred forty-two billion, one hundred thirty-three million, one hundred forty-six thousand, one hundred five.

Scientific notation

• Scientific notation: 6.42133146105 × 10¹¹

Factors of 642133146105

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 140947

Divisors of 642133146105

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 11 15 27 31 33 45 55 81 93 99 121 135 155 165 243 279 297 341 363 405 465 495 605 837 891 1023 1089 1215 1395 1485 1705 1815 2511 2673 3069 3267 3751 4185 4455 5115 5445 7533 9207 9801 11253 12555 13365 15345 16335 18755 27621 29403 33759 37665 46035 49005 56265 82863 101277 138105 140897 147015 168795 303831 414315 422691 506385 704485 911493 1268073 1519155 1549867 2113455 3804219 4367807 4557465 4649601 6340365 7749335 11412657 13103421 13948803 17048537 19021095 21839035 23248005 34237971 39310263 41846409 48045877 51145611 57063285 65517105 69744015 85242685 117930789 125539227 144137631 153436833 171189855 196551315 209232045 240229385 255728055 353792367 376617681 432412893 460310499 528504647 589653945 627696135 720688155 767184165 1061377101 1297238679 1380931497 1585513941 1768961835 1883088405 2162064465 2301552495 2642523235 3891716037 4142794491 4756541823 5306885505 6486193395 6904657485 7927569705 11675148111 14269625469 19458580185 20713972455 23782709115 42808876407 58375740555 71348127345 128426629221 214044382035 642133146105
• Sum of all divisors σ(n): 1309661563392
• Sum of proper divisors (its aliquot sum) s(n): 667528417287
• 642133146105 is an abundant number, because the sum of its proper divisors (667528417287) is greater than itself. Its abundance is 25395271182

Bases of 642133146105

• Binary: 1001010110000010000111100011100111111001₂
• Hexadecimal: 0x95821E39F9
• Base-36: 86ZPHUK9

Squares and roots of 642133146105

• 642133146105 squared (642133146105²) is 412334977326705276671025
• 642133146105 cubed (642133146105³) is 264773956239931101742869744345107625
• The square root of 642133146105 is 801332.1072470515
• The cube root of 642133146105 is 8627.3025673969

Scales and comparisons

• 642,133,146,105 seconds is equal to 20,417 years, 44 weeks, 14 hours, 21 minutes, 45 seconds.
• To count from 1 to 642,133,146,105 would take you about forty thousand, eight hundred thirty-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 642133146105 cubic inches would be around 718.9 feet tall.

Recreational maths with 642133146105

• 642133146105 backwards is 501641331246
• The number of decimal digits it has is: 12
• The sum of 642133146105's digits is 36
• More coming soon!