159721949179

Names of 159721949179

• Cardinal: 159721949179 can be written as One hundred fifty-nine billion, seven hundred twenty-one million, nine hundred forty-nine thousand, one hundred seventy-nine.

Scientific notation

• Scientific notation: 1.59721949179 × 10¹¹

Factors of 159721949179

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 485

Divisors of 159721949179

• Number of divisors d(n): 72
• Complete list of divisors:
  1 13 23 59 107 169 283 299 529 767 1357 1391 2461 3679 3887 6313 6509 6877 9971 16697 17641 18083 30281 31211 31993 47827 56603 82069 84617 89401 145199 149707 217061 229333 384031 393653 405743 415909 696463 735839 1066897 1100021 1786579 1887587 1946191 2821793 3339577 4992403 5117489 5274659 8832713 9054019 9565907 16018649 23225527 24538631 25300483 41091317 43414501 64901239 114825269 117702247 208242437 301931851 534187121 564388513 945100291 1492728497 2707151681 6944432573 12286303783 159721949179
• Sum of all divisors σ(n): 186238543680
• Sum of proper divisors (its aliquot sum) s(n): 26516594501
• 159721949179 is a deficient number, because the sum of its proper divisors (26516594501) is less than itself. Its deficiency is 133205354678

Bases of 159721949179

• Binary: 10010100110000001010111000011111111011₂
• Hexadecimal: 0x25302B87FB
• Base-36: 21DIBOQJ

Squares and roots of 159721949179

• 159721949179 squared (159721949179²) is 25511101049539058774041
• 159721949179 cubed (159721949179³) is 4074682785334811106882870646462339
• The square root of 159721949179 is 399652.2853418957
• The cube root of 159721949179 is 5425.6886345519

Scales and comparisons

• 159,721,949,179 seconds is equal to 5,078 years, 34 weeks, 3 days, 16 hours, 6 minutes, 19 seconds.
• To count from 1 to 159,721,949,179 would take you about ten thousand, one hundred fifty-seven 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 159721949179 cubic inches would be around 452.1 feet tall.

Recreational maths with 159721949179

• 159721949179 backwards is 971949127951
• The number of decimal digits it has is: 12
• The sum of 159721949179's digits is 64
• More coming soon!