142878555729

Names of 142878555729

• Cardinal: 142878555729 can be written as One hundred forty-two billion, eight hundred seventy-eight million, five hundred fifty-five thousand, seven hundred twenty-nine.

Scientific notation

• Scientific notation: 1.42878555729 × 10¹¹

Factors of 142878555729

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 27415

Divisors of 142878555729

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 13 21 39 63 91 117 169 273 499 507 819 1183 1497 1521 3493 3549 4491 6487 10479 10647 19461 26893 31437 45409 58383 80679 84331 136227 188251 242037 252993 349609 408681 564753 590317 758979 1048827 1694259 1770951 2447263 3146481 4544917 5312853 7341789 13419607 13634751 22025367 31814419 40258821 40904253 93937249 95443257 120776463 174454891 281811747 286329771 523364673 845435241 1221184237 1570094019 2267913583 3663552711 6803740749 10990658133 15875395081 20411222247 47626185243 142878555729
• Sum of all divisors σ(n): 255923304000
• Sum of proper divisors (its aliquot sum) s(n): 113044748271
• 142878555729 is a deficient number, because the sum of its proper divisors (113044748271) is less than itself. Its deficiency is 29833807458

Bases of 142878555729

• Binary: 10000101000100001110011011111001010001₂
• Hexadecimal: 0x214439BE51
• Base-36: 1TMY7B69

Squares and roots of 142878555729

• 142878555729 squared (142878555729²) is 20414281687204958721441
• 142878555729 cubed (142878555729³) is 2916763083712817840926552505685489
• The square root of 142878555729 is 377992.7985147337
• The cube root of 142878555729 is 5227.8407601795

Scales and comparisons

• 142,878,555,729 seconds is equal to 4,543 years, 4 weeks, 6 days, 23 hours, 42 minutes, 9 seconds.
• To count from 1 to 142,878,555,729 would take you about nine thousand and eighty-six 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 142878555729 cubic inches would be around 435.7 feet tall.

Recreational maths with 142878555729

• 142878555729 backwards is 927555878241
• 142878555729 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 142878555729's digits is 63
• More coming soon!