19788640998

Names of 19788640998

• Cardinal: 19788640998 can be written as Nineteen billion, seven hundred eighty-eight million, six hundred forty thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 1.9788640998 × 10¹⁰

Factors of 19788640998

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1947

Divisors of 19788640998

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 14 21 31 42 62 93 186 217 307 434 614 651 921 961 1302 1597 1842 1922 2149 2883 3194 4298 4791 5766 6447 6727 9517 9582 11179 12894 13454 19034 20181 22358 28551 33537 40362 49507 57102 66619 67074 99014 133238 148521 199857 295027 297042 346549 399714 490279 590054 693098 885081 980558 1039647 1470837 1534717 1770162 2065189 2079294 2941674 3069434 3431953 4130378 4604151 6195567 6863906 9208302 10295859 10743019 12391134 15198649 20591718 21486038 30397298 32229057 45595947 64458114 91191894 106390543 212781086 319171629 471158119 638343258 942316238 1413474357 2826948714 3298106833 6596213666 9894320499 19788640998
• Sum of all divisors σ(n): 46918916352
• Sum of proper divisors (its aliquot sum) s(n): 27130275354
• 19788640998 is an abundant number, because the sum of its proper divisors (27130275354) is greater than itself. Its abundance is 7341634356

Bases of 19788640998

• Binary: 10010011011011111101011001011100110₂
• Hexadecimal: 0x49B7EB2E6
• Base-36: 939N946

Squares and roots of 19788640998

• 19788640998 squared (19788640998²) is 391590312547726436004
• 19788640998 cubed (19788640998³) is 7749040113301573183197177691992
• The square root of 19788640998 is 140672.1045481299
• The cube root of 19788640998 is 2704.8217907453

Scales and comparisons

• 19,788,640,998 seconds is equal to 629 years, 11 weeks, 2 days, 4 hours, 43 minutes, 18 seconds.
• To count from 1 to 19,788,640,998 would take you about one thousand, two hundred fifty-eight 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 19788640998 cubic inches would be around 225.4 feet tall.

Recreational maths with 19788640998

• 19788640998 backwards is 89904688791
• The number of decimal digits it has is: 11
• The sum of 19788640998's digits is 69
• More coming soon!