142428378645

Names of 142428378645

• Cardinal: 142428378645 can be written as One hundred forty-two billion, four hundred twenty-eight million, three hundred seventy-eight thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 1.42428378645 × 10¹¹

Factors of 142428378645

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 81

Divisors of 142428378645

• Number of divisors d(n): 378
• Complete list of divisors:
  1 3 5 7 9 15 19 21 27 35 45 47 49 57 63 81 95 105 133 135 141 147 171 189 235 243 245 285 315 329 361 399 405 423 441 513 567 665 705 729 735 855 893 931 945 987 1083 1197 1215 1269 1323 1539 1645 1701 1805 1995 2115 2205 2209 2303 2527 2565 2679 2793 2835 2961 3249 3591 3645 3807 3969 4465 4617 4655 4935 5103 5415 5985 6251 6345 6615 6627 6909 7581 7695 8037 8379 8505 8883 9747 10773 11045 11421 11515 11907 12635 13395 13851 13965 14805 15463 16245 16967 17689 17955 18753 19035 19845 19881 20727 22743 23085 24111 25137 25515 26649 29241 31255 32319 33135 34263 34545 35721 37905 40185 41895 41971 43757 44415 46389 48735 50901 53067 53865 56259 57105 59535 59643 62181 68229 69255 72333 75411 77315 79947 84835 87723 88445 93765 96957 99405 103635 108241 113715 118769 120555 125685 125913 131271 133245 139167 146205 152703 159201 161595 168777 171315 178605 178929 186543 204687 209855 216999 218785 226233 231945 239841 254505 263169 265335 281295 293797 298215 310905 324723 341145 356307 361665 377055 377739 393813 399735 417501 438615 458109 477603 484785 506331 536787 541205 559629 593845 614061 629565 650997 656355 678699 695835 763515 796005 797449 831383 843885 881391 894645 932715 974169 1023435 1068921 1084995 1131165 1133217 1181439 1199205 1252503 1315845 1374327 1432809 1468985 1518993 1610361 1623615 1678887 1781535 1842183 1888695 1969065 2056579 2087505 2290545 2388015 2392347 2494149 2531655 2644173 2683935 2798145 2922507 3070305 3206763 3254985 3393495 3399651 3544317 3757509 3987245 4122981 4156915 4298427 4406955 4556979 4870845 5344605 5582143 5666085 5907195 6169737 6262515 6871635 7164045 7177041 7482447 7594965 7932519 8051805 8394435 8767521 9210915 9620289 10198953 10282895 10632951 11272527 11961735 12368943 12470745 12895281 13220865 14612535 16033815 16746429 16998255 17721585 18509211 18787545 20614905 21492135 21531123 22447341 22784895 23797557 26302563 27910715 28860867 30596859 30848685 31898853 35885205 37412235 39075001 39662595 43837605 48101445 50239287 50994765 53164755 55527633 56362635 61844715 64476405 64593369 67342023 71392671 78907689 83732145 86582601 92546055 107655615 112236705 117225003 118987785 131512815 144304335 150717861 152984295 159494265 166582899 193780107 195375005 202026069 214178013 251196435 277638165 322966845 336710115 351675009 356963355 394538445 432913005 452153583 499748697 581340321 586125015 606078207 753589305 832914495 968900535 1010130345 1055025027 1070890065 1356460749 1499246091 1758375045 2260767915 2498743485 2906701605 3030391035 3165075081 4069382247 5275125135 6782303745 7496230455 9495225243 15825375405 20346911235 28485675729 47476126215 142428378645
• Sum of all divisors σ(n): 321442134102
• Sum of proper divisors (its aliquot sum) s(n): 179013755457
• 142428378645 is an abundant number, because the sum of its proper divisors (179013755457) is greater than itself. Its abundance is 36585376812

Bases of 142428378645

• Binary: 10000100101001011001001001011000010101₂
• Hexadecimal: 0x2129649615
• Base-36: 1TFI6GB9

Squares and roots of 142428378645

• 142428378645 squared (142428378645²) is 20285843043443492036025
• 142428378645 cubed (142428378645³) is 2889279734124608868368010680686125
• The square root of 142428378645 is 377396.8450384821
• The cube root of 142428378645 is 5222.3444136223

Scales and comparisons

• 142,428,378,645 seconds is equal to 4,528 years, 40 weeks, 4 days, 14 hours, 30 minutes, 45 seconds.
• To count from 1 to 142,428,378,645 would take you about nine thousand and fifty-seven 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 142428378645 cubic inches would be around 435.2 feet tall.

Recreational maths with 142428378645

• 142428378645 backwards is 546873824241
• The number of decimal digits it has is: 12
• The sum of 142428378645's digits is 54
• More coming soon!