142668383985

Names of 142668383985

• Cardinal: 142668383985 can be written as One hundred forty-two billion, six hundred sixty-eight million, three hundred eighty-three thousand, nine hundred eighty-five.

Scientific notation

• Scientific notation: 1.42668383985 × 10¹¹

Factors of 142668383985

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1081

Divisors of 142668383985

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 15 19 31 43 45 57 93 95 129 151 155 171 215 279 285 387 453 465 589 645 755 817 829 855 1333 1359 1395 1767 1935 2265 2451 2487 2869 2945 3999 4085 4145 4681 5301 6493 6665 6795 7353 7461 8607 8835 11997 12255 12435 14043 14345 15751 19479 19995 23405 25327 25699 25821 26505 32465 35647 36765 37305 42129 43035 47253 58437 59985 70215 75981 77097 78755 88939 97395 106941 123367 125179 126635 128495 129105 141759 178235 201283 210645 227943 231291 236265 266817 292185 320823 370101 375537 379905 385485 444695 488281 534705 603849 616835 625895 677293 708795 800451 1006415 1105057 1110303 1126611 1139715 1156455 1334085 1464843 1604115 1811547 1850505 1877685 2031879 2378401 2441405 3019245 3315171 3386465 3824377 3880549 4002255 4394529 5382697 5525285 5551515 5633055 6095637 7135203 7324215 9057735 9945513 10159395 11473131 11641647 11892005 16148091 16575855 19121885 19402745 20996083 21405609 21972645 26913485 30478185 34419393 34924941 35676015 48444273 49727565 57365655 58208235 62988249 73730431 80740455 102271243 104980415 107028045 166863607 172096965 174624705 188964747 221191293 242221365 306813729 314941245 368652155 500590821 511356215 663573879 834318035 920441187 944823735 1105956465 1501772463 1534068645 2502954105 3170408533 3317869395 4602205935 7508862315 9511225599 15852042665 28533676797 47556127995 142668383985
• Sum of all divisors σ(n): 277107916800
• Sum of proper divisors (its aliquot sum) s(n): 134439532815
• 142668383985 is a deficient number, because the sum of its proper divisors (134439532815) is less than itself. Its deficiency is 8228851170

Bases of 142668383985

• Binary: 10000100110111101100101100011011110001₂
• Hexadecimal: 0x2137B2C6F1
• Base-36: 1TJH2LM9

Squares and roots of 142668383985

• 142668383985 squared (142668383985²) is 20354267788891404480225
• 142668383985 cubed (142668383985³) is 2903910492639075811850689639196625
• The square root of 142668383985 is 377714.6859535647
• The cube root of 142668383985 is 5225.2761495341

Scales and comparisons

• 142,668,383,985 seconds is equal to 4,536 years, 21 weeks, 3 days, 10 hours, 39 minutes, 45 seconds.
• To count from 1 to 142,668,383,985 would take you about nine thousand and seventy-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 142668383985 cubic inches would be around 435.4 feet tall.

Recreational maths with 142668383985

• 142668383985 backwards is 589383866241
• The number of decimal digits it has is: 12
• The sum of 142668383985's digits is 63
• More coming soon!