29686409438

Names of 29686409438

• Cardinal: 29686409438 can be written as Twenty-nine billion, six hundred eighty-six million, four hundred nine thousand, four hundred thirty-eight.

Scientific notation

• Scientific notation: 2.9686409438 × 10¹⁰

Factors of 29686409438

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 12765

Divisors of 29686409438

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 19 38 59 118 133 151 266 302 413 826 1057 1121 2114 2242 2869 5738 7847 8909 12527 15694 17818 20083 25054 40166 62363 87689 124726 169271 175378 238013 338542 476026 739093 1184897 1478186 1666091 1891577 2369794 3332182 3783154 5173651 10347302 13241039 14042767 26482078 28085534 35939963 71879926 98299369 111603043 196598738 223206086 251579741 503159482 781221301 1562442602 2120457817 4240915634 14843204719 29686409438
• Sum of all divisors σ(n): 54842572800
• Sum of proper divisors (its aliquot sum) s(n): 25156163362
• 29686409438 is a deficient number, because the sum of its proper divisors (25156163362) is less than itself. Its deficiency is 4530246076

Bases of 29686409438

• Binary: 11011101001011100101010100011011110₂
• Hexadecimal: 0x6E972A8DE
• Base-36: DMYIS4E

Squares and roots of 29686409438

• 29686409438 squared (29686409438²) is 881282905320575475844
• 29686409438 cubed (29686409438³) is 26162125158056792221686662615672
• The square root of 29686409438 is 172297.4446647425
• The cube root of 29686409438 is 3096.3679084109

Scales and comparisons

• 29,686,409,438 seconds is equal to 943 years, 48 weeks, 4 days, 16 hours, 50 minutes, 38 seconds.
• To count from 1 to 29,686,409,438 would take you about one thousand, eight hundred eighty-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 29686409438 cubic inches would be around 258 feet tall.

Recreational maths with 29686409438

• 29686409438 backwards is 83490468692
• 29686409438 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 29686409438's digits is 59
• More coming soon!