142842781809

Names of 142842781809

• Cardinal: 142842781809 can be written as One hundred forty-two billion, eight hundred forty-two million, seven hundred eighty-one thousand, eight hundred nine.

Scientific notation

• Scientific notation: 1.42842781809 × 10¹¹

Factors of 142842781809

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3611

Divisors of 142842781809

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 9 13 17 21 39 51 63 91 117 119 153 169 221 273 289 357 507 663 819 867 1071 1183 1521 1547 1989 2023 2197 2601 2873 3549 3571 3757 4641 6069 6591 8619 10647 10713 11271 13923 15379 18207 19773 20111 24997 25857 26299 32139 33813 37349 46137 46423 48841 60333 60707 74991 78897 112047 138411 139269 146523 180999 182121 224973 236691 261443 324961 336141 341887 417807 424949 439569 546363 603499 634933 784329 789191 974883 1025661 1032019 1274847 1810497 1904799 2352987 2367573 2924649 3076983 3096057 3824541 4224493 4444531 5431491 5524337 5714397 7102719 7224133 7845487 9288171 10259483 12673479 13333593 13416247 16573011 21672399 23536461 30778449 38020437 40000779 40248741 49719033 54918409 65017197 70609383 71816381 92335347 93913729 120746223 133373279 164755227 174411211 215449143 281741187 400119837 494265681 523233633 646347429 845223561 933612953 1200359511 1220878477 1569700899 2267345743 2800838859 3662635431 6802037229 8402516577 10987906293 15871420201 20406111687 47614260603 142842781809
• Sum of all divisors σ(n): 271431422080
• Sum of proper divisors (its aliquot sum) s(n): 128588640271
• 142842781809 is a deficient number, because the sum of its proper divisors (128588640271) is less than itself. Its deficiency is 14254141538

Bases of 142842781809

• Binary: 10000101000010000101111110000001110001₂
• Hexadecimal: 0x214217E071
• Base-36: 1TMCWJU9

Squares and roots of 142842781809

• 142842781809 squared (142842781809²) is 20404060314933581312481
• 142842781809 cubed (142842781809³) is 2914572735583733379745683331458129
• The square root of 142842781809 is 377945.4746507755
• The cube root of 142842781809 is 5227.4044083253

Scales and comparisons

• 142,842,781,809 seconds is equal to 4,541 years, 49 weeks, 5 days, 22 hours, 30 minutes, 9 seconds.
• To count from 1 to 142,842,781,809 would take you about nine thousand and eighty-three 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 142842781809 cubic inches would be around 435.6 feet tall.

Recreational maths with 142842781809

• 142842781809 backwards is 908187248241
• The number of decimal digits it has is: 12
• The sum of 142842781809's digits is 54
• More coming soon!