19900222720

Names of 19900222720

• Cardinal: 19900222720 can be written as Nineteen billion, nine hundred million, two hundred twenty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.990022272 × 10¹⁰

Factors of 19900222720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2221021

Divisors of 19900222720

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 560 640 896 1120 1280 1792 2240 4480 8960 2221007 4442014 8884028 11105035 15547049 17768056 22210070 31094098 35536112 44420140 62188196 71072224 77735245 88840280 124376392 142144448 155470490 177680560 248752784 284288896 310940980 355361120 497505568 568577792 621881960 710722240 995011136 1243763920 1421444480 1990022272 2487527840 2842888960 3980044544 4975055680 9950111360 19900222720
• Sum of all divisors σ(n): 54476884224
• Sum of proper divisors (its aliquot sum) s(n): 34576661504
• 19900222720 is an abundant number, because the sum of its proper divisors (34576661504) is greater than itself. Its abundance is 14676438784

Bases of 19900222720

• Binary: 10010100010001001010100110100000000₂
• Hexadecimal: 0x4A2254D00
• Base-36: 9542U4G

Squares and roots of 19900222720

• 19900222720 squared (19900222720²) is 396018864305604198400
• 19900222720 cubed (19900222720³) is 7880863601002981692327067648000
• The square root of 19900222720 is 141068.1492045597
• The cube root of 19900222720 is 2709.8961357777

Scales and comparisons

• 19,900,222,720 seconds is equal to 632 years, 39 weeks, 5 days, 15 hours, 38 minutes, 40 seconds.
• To count from 1 to 19,900,222,720 would take you about one thousand, two hundred sixty-five 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 19900222720 cubic inches would be around 225.8 feet tall.

Recreational maths with 19900222720

• 19900222720 backwards is 02722200991
• The number of decimal digits it has is: 11
• The sum of 19900222720's digits is 34
• More coming soon!