131758391421

Names of 131758391421

• Cardinal: 131758391421 can be written as One hundred thirty-one billion, seven hundred fifty-eight million, three hundred ninety-one thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 1.31758391421 × 10¹¹

Factors of 131758391421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 230

Divisors of 131758391421

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 9 17 27 31 51 93 153 179 279 289 459 527 537 837 867 1581 1611 2601 3043 4743 4833 4913 5549 7803 8959 9129 14229 14739 16647 26877 27387 32041 44217 49941 51731 80631 82161 94333 96123 132651 149823 152303 155193 241893 282999 288369 456909 465579 544697 848997 865107 879427 993271 1370727 1396737 1603661 1634091 2546991 2638281 2979813 4112181 4810983 4902273 7914843 8939439 9259849 14432949 14706819 16885607 23744529 26818317 27262237 27779547 43298847 50656821 81786711 83338641 151970463 157417433 245360133 250015923 287055319 455911389 472252299 736080399 861165957 1416756897 2583497871 4250270691 4879940423 7750493613 14639821269 43919463807 131758391421
• Sum of all divisors σ(n): 215287833600
• Sum of proper divisors (its aliquot sum) s(n): 83529442179
• 131758391421 is a deficient number, because the sum of its proper divisors (83529442179) is less than itself. Its deficiency is 48228949242

Bases of 131758391421

• Binary: 1111010101101011010011000000001111101₂
• Hexadecimal: 0x1EAD69807D
• Base-36: 1OJ1JLH9

Squares and roots of 131758391421

• 131758391421 squared (131758391421²) is 17360273709849446399241
• 131758391421 cubed (131758391421³) is 2287361738638039141651354715311461
• The square root of 131758391421 is 362985.3873381131
• The cube root of 131758391421 is 5088.5349452983

Scales and comparisons

• 131,758,391,421 seconds is equal to 4,189 years, 26 weeks, 3 days, 9 hours, 10 minutes, 21 seconds.
• To count from 1 to 131,758,391,421 would take you about eight thousand, three hundred seventy-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 131758391421 cubic inches would be around 424 feet tall.

Recreational maths with 131758391421

• 131758391421 backwards is 124193857131
• The number of decimal digits it has is: 12
• The sum of 131758391421's digits is 45
• More coming soon!