100388394009

Names of 100388394009

• Cardinal: 100388394009 can be written as One hundred billion, three hundred eighty-eight million, three hundred ninety-four thousand and nine.

Scientific notation

• Scientific notation: 1.00388394009 × 10¹¹

Factors of 100388394009

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 206

Divisors of 100388394009

• Number of divisors d(n): 108
• Complete list of divisors:
  1 3 9 23 27 69 81 83 97 207 243 249 291 529 621 747 873 1587 1863 1909 2231 2241 2619 4761 5589 5727 6693 6723 7857 8051 9409 14283 17181 20079 20169 23571 24153 28227 42849 43907 51313 51543 60237 72459 84681 128547 131721 153939 154629 180711 185173 216407 217377 254043 395163 461817 463887 542133 555519 649221 652131 762129 780947 1185489 1385451 1666557 1947663 1956393 2286387 2342841 3556467 4156353 4258979 4977361 4999671 5842989 7028523 10669401 12469059 12776937 14932083 14999013 17528967 17961781 21085569 38330811 44796249 44997039 52586901 53885343 63256707 114992433 134388747 161656029 189770121 344977299 403166241 413120963 484968087 1034931897 1209498723 1239362889 1454904261 3718088667 4364712783 11154266001 33462798003 100388394009
• Sum of all divisors σ(n): 160749375696
• Sum of proper divisors (its aliquot sum) s(n): 60360981687
• 100388394009 is a deficient number, because the sum of its proper divisors (60360981687) is less than itself. Its deficiency is 40027412322

Bases of 100388394009

• Binary: 1011101011111100111010101010000011001₂
• Hexadecimal: 0x175F9D5419
• Base-36: 1A48NOK9

Squares and roots of 100388394009

• 100388394009 squared (100388394009²) is 10077829651706227092081
• 100388394009 cubed (100388394009³) is 1011697133831067964438657751742729
• The square root of 100388394009 is 316841.2757343967
• The cube root of 100388394009 is 4647.5902881933

Scales and comparisons

• 100,388,394,009 seconds is equal to 3,192 years, 2 weeks, 17 hours, 9 seconds.
• To count from 1 to 100,388,394,009 would take you about six thousand, three hundred eighty-four 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 100388394009 cubic inches would be around 387.3 feet tall.

Recreational maths with 100388394009

• 100388394009 backwards is 900493883001
• The number of decimal digits it has is: 12
• The sum of 100388394009's digits is 45
• More coming soon!