1998442486940480

Names of 1998442486940480

• Cardinal: 1998442486940480 can be written as One quadrillion, nine hundred ninety-eight trillion, four hundred forty-two billion, four hundred eighty-six million, nine hundred forty thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.99844248694048 × 10¹⁵

Factors of 1998442486940480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1705854886

Divisors of 1998442486940480

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 523 560 1046 1120 2092 2240 2615 3661 4184 5230 7322 8368 10460 14644 16736 18305 20920 29288 33472 36610 41840 58576 73220 83680 117152 146440 167360 234304 292880 585760 1171520 1705854349 3411708698 6823417396 8529271745 11940980443 13646834792 17058543490 23881960886 27293669584 34117086980 47763921772 54587339168 59704902215 68234173960 95527843544 109174678336 119409804430 136468347920 191055687088 238819608860 272936695840 382111374176 477639217720 545873391680 764222748352 892161824527 955278435440 1784323649054 1910556870880 3568647298108 3821113741760 4460809122635 6245132771689 7137294596216 8921618245270 12490265543378 14274589192432 17843236490540 24980531086756 28549178384864 31225663858445 35686472981080 49961062173512 57098356769728 62451327716890 71372945962160 99922124347024 124902655433780 142745891924320 199844248694048 249805310867560 285491783848640 399688497388096 499610621735120 999221243470240 1998442486940480
• Sum of all divisors σ(n): 5449017373622400
• Sum of proper divisors (its aliquot sum) s(n): 3450574886681920
• 1998442486940480 is an abundant number, because the sum of its proper divisors (3450574886681920) is greater than itself. Its abundance is 1452132399741440

Bases of 1998442486940480

• Binary: 111000110011001001010100110100010011100001101000000₂
• Hexadecimal: 0x71992A689C340
• Base-36: JODZSYGV28

Squares and roots of 1998442486940480

• 1998442486940480 squared (1998442486940480²) is 3993772373608850575351062630400
• 1998442486940480 cubed (1998442486940480³) is 7981324394589055177338759714944442557038592000
• The square root of 1998442486940480 is 44703942.6330662697
• The cube root of 1998442486940480 is 125959.3907710605

Scales and comparisons

• 1,998,442,486,940,480 seconds is equal to 63,544,289 years, 25 weeks, 5 days, 15 hours, 1 minute, 20 seconds.
• To count from 1 to 1,998,442,486,940,480 would take you about one hundred ninety million, six hundred thirty-two thousand, eight hundred sixty-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 1998442486940480 cubic inches would be around 10496.6 feet tall.

Recreational maths with 1998442486940480

• 1998442486940480 backwards is 0840496842448991
• 1998442486940480 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1998442486940480's digits is 80
• More coming soon!