19988671840

Names of 19988671840

• Cardinal: 19988671840 can be written as Nineteen billion, nine hundred eighty-eight million, six hundred seventy-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.998867184 × 10¹⁰

Factors of 19988671840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 44304

Divisors of 19988671840

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 149 152 160 190 298 304 380 596 608 745 760 1192 1490 1520 2384 2831 2980 3040 4768 5662 5960 11324 11920 14155 22648 23840 28310 44129 45296 56620 88258 90592 113240 176516 220645 226480 353032 441290 452960 706064 838451 882580 1412128 1676902 1765160 3353804 3530320 4192255 6575221 6707608 7060640 8384510 13150442 13415216 16769020 26300884 26830432 32876105 33538040 52601768 65752210 67076080 105203536 124929199 131504420 134152160 210407072 249858398 263008840 499716796 526017680 624645995 999433592 1052035360 1249291990 1998867184 2498583980 3997734368 4997167960 9994335920 19988671840
• Sum of all divisors σ(n): 50043420000
• Sum of proper divisors (its aliquot sum) s(n): 30054748160
• 19988671840 is an abundant number, because the sum of its proper divisors (30054748160) is greater than itself. Its abundance is 10066076320

Bases of 19988671840

• Binary: 10010100111011010101110110101100000₂
• Hexadecimal: 0x4A76AED60
• Base-36: 96KQLWG

Squares and roots of 19988671840

• 19988671840 squared (19988671840²) is 399547001927208985600
• 19988671840 cubed (19988671840³) is 7986413906178827980257685504000
• The square root of 19988671840 is 141381.2994706159
• The cube root of 19988671840 is 2713.9050305207

Scales and comparisons

• 19,988,671,840 seconds is equal to 635 years, 30 weeks, 8 hours, 50 minutes, 40 seconds.
• To count from 1 to 19,988,671,840 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 19988671840 cubic inches would be around 226.2 feet tall.

Recreational maths with 19988671840

• 19988671840 backwards is 04817688991
• The number of decimal digits it has is: 11
• The sum of 19988671840's digits is 61
• More coming soon!