13402781535

Names of 13402781535

• Cardinal: 13402781535 can be written as Thirteen billion, four hundred two million, seven hundred eighty-one thousand, five hundred thirty-five.

Scientific notation

• Scientific notation: 1.3402781535 × 10¹⁰

Factors of 13402781535

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 16168

Divisors of 13402781535

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 5 11 13 15 33 39 55 65 143 165 195 397 429 715 1191 1985 2145 4367 5161 5955 13101 15483 15739 21835 25805 47217 56771 65505 77415 78695 170313 173129 204607 236085 283855 519387 613821 851565 865645 1023035 2250677 2596935 3069105 6248383 6752031 11253385 18745149 31241915 33760155 68732213 81228979 93725745 206196639 243686937 343661065 406144895 893518769 1030983195 1218434685 2680556307 4467593845 13402781535
• Sum of all divisors σ(n): 25258544640
• Sum of proper divisors (its aliquot sum) s(n): 11855763105
• 13402781535 is a deficient number, because the sum of its proper divisors (11855763105) is less than itself. Its deficiency is 1547018430

Bases of 13402781535

• Binary: 1100011110110111100011011101011111₂
• Hexadecimal: 0x31EDE375F
• Base-36: 65NO4F3

Squares and roots of 13402781535

• 13402781535 squared (13402781535²) is 179634552874936956225
• 13402781535 cubed (13402781535³) is 2407602668320186201181533305375
• The square root of 13402781535 is 115770.3828057937
• The cube root of 13402781535 is 2375.3720730459

Scales and comparisons

• 13,402,781,535 seconds is equal to 426 years, 8 weeks, 4 days, 18 hours, 52 minutes, 15 seconds.
• To count from 1 to 13,402,781,535 would take you about eight hundred fifty-two 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 13402781535 cubic inches would be around 197.9 feet tall.

Recreational maths with 13402781535

• 13402781535 backwards is 53518720431
• 13402781535 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13402781535's digits is 39
• More coming soon!