19990680912

Names of 19990680912

• Cardinal: 19990680912 can be written as Nineteen billion, nine hundred ninety million, six hundred eighty thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.9990680912 × 10¹⁰

Factors of 19990680912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5876

Divisors of 19990680912

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 73 144 146 219 292 349 438 584 657 698 876 1047 1168 1314 1396 1752 2094 2628 2792 3141 3504 4188 5256 5449 5584 6282 8376 10512 10898 12564 16347 16752 21796 25128 25477 32694 43592 49041 50256 50954 65388 76431 87184 98082 101908 130776 152862 196164 203816 229293 261552 305724 392328 397777 407632 458586 611448 784656 795554 917172 1193331 1222896 1591108 1834344 1901701 2386662 3182216 3579993 3668688 3803402 4773324 5705103 6364432 7159986 7606804 9546648 11410206 14319972 15213608 17115309 19093296 22820412 28639944 30427216 34230618 45640824 57279888 68461236 91281648 136922472 138824173 273844944 277648346 416472519 555296692 832945038 1110593384 1249417557 1665890076 2221186768 2498835114 3331780152 4997670228 6663560304 9995340456 19990680912
• Sum of all divisors σ(n): 56885465000
• Sum of proper divisors (its aliquot sum) s(n): 36894784088
• 19990680912 is an abundant number, because the sum of its proper divisors (36894784088) is greater than itself. Its abundance is 16904103176

Bases of 19990680912

• Binary: 10010100111100010011001010101010000₂
• Hexadecimal: 0x4A7899550
• Base-36: 96LXO40

Squares and roots of 19990680912

• 19990680912 squared (19990680912²) is 399627323325401151744
• 19990680912 cubed (19990680912³) is 7988822304314749168911596310528
• The square root of 19990680912 is 141388.4044467579
• The cube root of 19990680912 is 2713.9959528187

Scales and comparisons

• 19,990,680,912 seconds is equal to 635 years, 33 weeks, 2 days, 14 hours, 55 minutes, 12 seconds.
• To count from 1 to 19,990,680,912 would take you about one thousand, two hundred seventy-one 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 19990680912 cubic inches would be around 226.2 feet tall.

Recreational maths with 19990680912

• 19990680912 backwards is 21908609991
• The number of decimal digits it has is: 11
• The sum of 19990680912's digits is 54
• More coming soon!