142487990645

Names of 142487990645

• Cardinal: 142487990645 can be written as One hundred forty-two billion, four hundred eighty-seven million, nine hundred ninety thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 1.42487990645 × 10¹¹

Factors of 142487990645

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1831

Divisors of 142487990645

• Number of divisors d(n): 192
• Complete list of divisors:
  1 5 7 11 13 31 35 41 55 65 77 91 143 155 169 205 217 287 341 385 403 451 455 533 715 845 1001 1085 1183 1271 1435 1705 1723 1859 2015 2255 2387 2665 2821 3157 3731 4433 5005 5239 5863 5915 6355 6929 8615 8897 9295 11935 12061 13013 13981 14105 15785 16523 18655 18953 22165 22399 26195 29315 31031 34645 36673 41041 44485 48503 53413 57629 60305 65065 69905 70643 76219 82615 94765 97867 111995 115661 132671 155155 156793 181753 183365 205205 214799 242515 246389 267065 288145 291187 353215 373891 381095 403403 489335 494501 533533 578305 587543 663355 694369 777073 783965 908765 918359 1073995 1231945 1272271 1455935 1503593 1724723 1869455 2017015 2038309 2189933 2362789 2472505 2667665 2937715 3203057 3471845 3885365 4112801 4591795 4860583 5439511 6361355 6428513 7517965 7638059 8623615 9026797 10101949 10191545 10949665 11813945 11938667 15329531 16015285 16539523 20564005 22421399 24089263 24302915 27197555 28469129 32142565 38190295 45133985 50509745 53466413 59693335 63187579 70713643 76647655 82697615 83570669 99294767 112106995 120446315 131325337 142345645 168624841 199283903 267332065 313160419 315937895 353568215 370098677 417853345 496473835 656626685 695063369 843124205 919277359 996419515 1565802095 1850493385 2192122933 2590690739 3475316845 4071085447 4596386795 10960614665 12953453695 20355427235 28497598129 142487990645
• Sum of all divisors σ(n): 244236238848
• Sum of proper divisors (its aliquot sum) s(n): 101748248203
• 142487990645 is a deficient number, because the sum of its proper divisors (101748248203) is less than itself. Its deficiency is 40739742442

Bases of 142487990645

• Binary: 10000100101100111100100011000101110101₂
• Hexadecimal: 0x212CF23175
• Base-36: 1TGHO585

Squares and roots of 142487990645

• 142487990645 squared (142487990645²) is 20302827478049607516025
• 142487990645 cubed (142487990645³) is 2892909091759381418589291887586125
• The square root of 142487990645 is 377475.8146490979
• The cube root of 142487990645 is 5223.0728989981

Scales and comparisons

• 142,487,990,645 seconds is equal to 4,530 years, 35 weeks, 1 day, 13 hours, 24 minutes, 5 seconds.
• To count from 1 to 142,487,990,645 would take you about nine thousand and sixty-one 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 142487990645 cubic inches would be around 435.3 feet tall.

Recreational maths with 142487990645

• 142487990645 backwards is 546099784241
• The number of decimal digits it has is: 12
• The sum of 142487990645's digits is 59
• More coming soon!