13138902205

Names of 13138902205

• Cardinal: 13138902205 can be written as Thirteen billion, one hundred thirty-eight million, nine hundred two thousand, two hundred five.

Scientific notation

• Scientific notation: 1.3138902205 × 10¹⁰

Factors of 13138902205

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 530

Divisors of 13138902205

• Number of divisors d(n): 96
• Complete list of divisors:
  1 5 11 13 31 37 55 65 143 155 185 341 403 407 433 481 715 1147 1369 1705 2015 2035 2165 2405 4433 4763 5291 5629 5735 6845 12617 13423 14911 15059 16021 17797 22165 23815 26455 28145 42439 61919 63085 67115 74555 75295 80105 88985 147653 164021 174499 176231 195767 208273 212195 309595 466829 496651 551707 592777 738265 820105 872495 881155 978835 1041365 1919489 2291003 2334145 2483255 2758535 2963885 5463161 6068777 6456463 6520547 7706101 9597445 11455015 18376087 27315805 30343885 32282315 32602735 38530505 71021093 84767111 91880435 202136957 238889131 355105465 423835555 1010684785 1194445655 2627780441 13138902205
• Sum of all divisors σ(n): 19696739328
• Sum of proper divisors (its aliquot sum) s(n): 6557837123
• 13138902205 is a deficient number, because the sum of its proper divisors (6557837123) is less than itself. Its deficiency is 6581065082

Bases of 13138902205

• Binary: 1100001111001000111011110010111101₂
• Hexadecimal: 0x30F23BCBD
• Base-36: 61AK9TP

Squares and roots of 13138902205

• 13138902205 squared (13138902205²) is 172630751152553862025
• 13138902205 cubed (13138902205³) is 2268178556969096229141538265125
• The square root of 13138902205 is 114625.0505125295
• The cube root of 13138902205 is 2359.6795388029

Scales and comparisons

• 13,138,902,205 seconds is equal to 417 years, 40 weeks, 2 days, 15 hours, 3 minutes, 25 seconds.
• To count from 1 to 13,138,902,205 would take you about eight hundred thirty-five 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 13138902205 cubic inches would be around 196.6 feet tall.

Recreational maths with 13138902205

• 13138902205 backwards is 50220983131
• The number of decimal digits it has is: 11
• The sum of 13138902205's digits is 34
• More coming soon!