142978409145

Names of 142978409145

• Cardinal: 142978409145 can be written as One hundred forty-two billion, nine hundred seventy-eight million, four hundred nine thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.42978409145 × 10¹¹

Factors of 142978409145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2299

Divisors of 142978409145

• Number of divisors d(n): 224
• Complete list of divisors:
  1 3 5 9 11 13 15 27 33 39 45 55 65 81 99 117 121 135 143 165 195 243 297 351 363 405 429 495 585 605 715 729 891 1053 1089 1215 1287 1331 1485 1573 1755 1815 2145 2267 2673 3159 3267 3645 3861 3993 4455 4719 5265 5445 6435 6655 6801 7865 8019 9477 9801 11335 11583 11979 13365 14157 15795 16335 17303 19305 19965 20403 23595 24937 29403 29471 34005 34749 35937 40095 42471 47385 49005 51909 57915 59895 61209 70785 74811 86515 88209 88413 102015 104247 107811 124685 127413 147015 147355 155727 173745 179685 183627 212355 224433 259545 265239 274307 306045 323433 324181 374055 382239 441045 442065 467181 521235 539055 550881 637065 673299 778635 795717 822921 918135 970299 972543 1122165 1146717 1326195 1371535 1401543 1617165 1620905 1652643 1911195 2019897 2335905 2387151 2468763 2754405 2917629 3017377 3366495 3565991 3978585 4114605 4204629 4851495 4862715 5733585 6059691 7007715 7161453 7406289 8263215 8752887 9052131 10099485 10697973 11935755 12343815 12613887 14588145 15086885 17829955 18179073 21023145 21484359 22218867 26258661 27156393 30298455 32093919 35807265 37031445 39225901 43764435 45260655 53489865 63069435 66656601 78775983 81469179 90895365 96281757 107421795 111094335 117677703 131293305 135781965 160469595 196129505 199969803 236327949 244407537 288845271 333283005 353033109 393879915 407345895 481408785 588388515 733222611 866535813 999849015 1059099327 1181639745 1222037685 1444226355 1765165545 2199667833 2599607439 3177297981 3666113055 4332679065 5295496635 9531893943 10998339165 12998037195 15886489905 28595681829 47659469715 142978409145
• Sum of all divisors σ(n): 304848157824
• Sum of proper divisors (its aliquot sum) s(n): 161869748679
• 142978409145 is an abundant number, because the sum of its proper divisors (161869748679) is greater than itself. Its abundance is 18891339534

Bases of 142978409145

• Binary: 10000101001010001011010110001010111001₂
• Hexadecimal: 0x214A2D62B9
• Base-36: 1TOLNIK9

Squares and roots of 142978409145

• 142978409145 squared (142978409145²) is 20442825481635019631025
• 142978409145 cubed (142978409145³) is 2922882665793043520364799385723625
• The square root of 142978409145 is 378124.8591999737
• The cube root of 142978409145 is 5229.0583354721

Scales and comparisons

• 142,978,409,145 seconds is equal to 4,546 years, 14 weeks, 16 hours, 45 minutes, 45 seconds.
• To count from 1 to 142,978,409,145 would take you about nine thousand and ninety-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 142978409145 cubic inches would be around 435.8 feet tall.

Recreational maths with 142978409145

• 142978409145 backwards is 541904879241
• The number of decimal digits it has is: 12
• The sum of 142978409145's digits is 54
• More coming soon!