1540142398431

Names of 1540142398431

• Cardinal: 1540142398431 can be written as One trillion, five hundred forty billion, one hundred forty-two million, three hundred ninety-eight thousand, four hundred thirty-one.

Scientific notation

• Scientific notation: 1.540142398431 × 10¹²

Factors of 1540142398431

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9486

Divisors of 1540142398431

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 13 21 27 39 49 63 91 117 147 189 273 351 441 637 819 1323 1911 2457 5733 9463 17199 28389 66241 85167 123019 198723 255501 369057 463687 596169 861133 1107171 1391061 1788507 2583399 3321513 4173183 6027931 7750197 12519549 18083793 23250591 54251379 89548369 162754137 268645107 626838583 805935321 1164128797 1880515749 2417805963 3492386391 4387870081 5641547247 8148901579 10477159173 13163610243 16924641741 24446704737 31431477519 39490830729 57042311053 73340114211 118472492187 171126933159 220020342633 513380799477 1540142398431
• Sum of all divisors σ(n): 2858686029360
• Sum of proper divisors (its aliquot sum) s(n): 1318543630929
• 1540142398431 is a deficient number, because the sum of its proper divisors (1318543630929) is less than itself. Its deficiency is 221598767502

Bases of 1540142398431

• Binary: 10110011010010111101000111111101111011111₂
• Hexadecimal: 0x16697A3FBDF
• Base-36: JNJ50O9R

Squares and roots of 1540142398431

• 1540142398431 squared (1540142398431²) is 2372038607444793151261761
• 1540142398431 cubed (1540142398431³) is 3653277230040953016406971160436696991
• The square root of 1540142398431 is 1241024.7372357251
• The cube root of 1540142398431 is 11548.3594264865

Scales and comparisons

• 1,540,142,398,431 seconds is equal to 48,971 years, 39 weeks, 5 days, 4 hours, 53 minutes, 51 seconds.
• To count from 1 to 1,540,142,398,431 would take you about one hundred twenty-two thousand, four hundred twenty-nine 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 1540142398431 cubic inches would be around 962.4 feet tall.

Recreational maths with 1540142398431

• 1540142398431 backwards is 1348932410451
• The number of decimal digits it has is: 13
• The sum of 1540142398431's digits is 45
• More coming soon!