19988724528

Names of 19988724528

• Cardinal: 19988724528 can be written as Nineteen billion, nine hundred eighty-eight million, seven hundred twenty-four thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9988724528 × 10¹⁰

Factors of 19988724528

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3678

Divisors of 19988724528

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 191 223 382 446 573 669 764 892 1146 1338 1528 1719 1784 2007 2292 2676 3056 3259 3438 3568 4014 4584 5352 6518 6876 8028 9168 9777 10704 13036 13752 16056 19554 26072 27504 29331 32112 39108 42593 52144 58662 78216 85186 117324 127779 156432 170372 234648 255558 340744 383337 469296 511116 622469 681488 726757 766674 1022232 1244938 1453514 1533348 1867407 2044464 2180271 2489876 2907028 3066696 3734814 4360542 4979752 5602221 5814056 6133392 6540813 7469628 8721084 9959504 11204442 11628112 13081626 14939256 17442168 22408884 26163252 29878512 34884336 44817768 52326504 89635536 104653008 138810587 277621174 416431761 555242348 832863522 1110484696 1249295283 1665727044 2220969392 2498590566 3331454088 4997181132 6662908176 9994362264 19988724528
• Sum of all divisors σ(n): 56503050240
• Sum of proper divisors (its aliquot sum) s(n): 36514325712
• 19988724528 is an abundant number, because the sum of its proper divisors (36514325712) is greater than itself. Its abundance is 16525601184

Bases of 19988724528

• Binary: 10010100111011010111011101100110000₂
• Hexadecimal: 0x4A76BBB30
• Base-36: 96KRQK0

Squares and roots of 19988724528

• 19988724528 squared (19988724528²) is 399549108256268822784
• 19988724528 cubed (19988724528³) is 7986477060342607927744226045952
• The square root of 19988724528 is 141381.4858034813
• The cube root of 19988724528 is 2713.9074150397

Scales and comparisons

• 19,988,724,528 seconds is equal to 635 years, 30 weeks, 23 hours, 28 minutes, 48 seconds.
• To count from 1 to 19,988,724,528 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 19988724528 cubic inches would be around 226.2 feet tall.

Recreational maths with 19988724528

• 19988724528 backwards is 82542788991
• The number of decimal digits it has is: 11
• The sum of 19988724528's digits is 63
• More coming soon!