1998072704739420

Names of 1998072704739420

• Cardinal: 1998072704739420 can be written as One quadrillion, nine hundred ninety-eight trillion, seventy-two billion, seven hundred four million, seven hundred thirty-nine thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.99807270473942 × 10¹⁵

Factors of 1998072704739420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2523339

Divisors of 1998072704739420

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 59 60 90 118 177 180 236 295 354 531 590 708 885 1062 1180 1770 2124 2655 3540 5310 10620 76907 153814 230721 307628 384535 461442 692163 769070 922884 1153605 1384326 1538140 2307210 2446363 2768652 3460815 4537513 4614420 4892726 6921630 7339089 9075026 9785452 12231815 13612539 13843260 14678178 18150052 22017267 22687565 24463630 27225078 29356356 36695445 40837617 44034534 45375130 48927260 54450156 68062695 73390890 81675234 88069068 90750260 110086335 136125390 144335417 146781780 163350468 204188085 220172670 272250780 288670834 408376170 433006251 440345340 577341668 721677085 816752340 866012502 1299018753 1443354170 1732025004 2165031255 2598037506 2886708340 4330062510 5196075012 6495093765 8660125020 12990187530 25980375060 188142439241 376284878482 564427317723 752569756964 940712196205 1128854635446 1693281953169 1881424392410 2257709270892 2822136588615 3386563906338 3762848784820 5644273177230 6773127812676 8466409765845 11100403915219 11288546354460 16932819531690 22200807830438 33301211745657 33865639063380 44401615660876 55502019576095 66602423491314 99903635236971 111004039152190 133204846982628 166506058728285 199807270473942 222008078304380 333012117456570 399614540947884 499518176184855 666024234913140 999036352369710 1998072704739420
• Sum of all divisors σ(n): 6163628971893120
• Sum of proper divisors (its aliquot sum) s(n): 4165556267153700
• 1998072704739420 is an abundant number, because the sum of its proper divisors (4165556267153700) is greater than itself. Its abundance is 2167483562414280

Bases of 1998072704739420

• Binary: 111000110010011110010001101110011010010100001011100₂
• Hexadecimal: 0x7193C8DCD285C
• Base-36: JO99XFOYN0

Squares and roots of 1998072704739420

• 1998072704739420 squared (1998072704739420²) is 3992294533424701454130101936400
• 1998072704739420 cubed (1998072704739420³) is 7976894736516294038751357493071263999412888000
• The square root of 1998072704739420 is 44699806.5402907533
• The cube root of 1998072704739420 is 125951.6213182337

Scales and comparisons

• 1,998,072,704,739,420 seconds is equal to 63,532,531 years, 29 weeks, 3 days, 57 minutes.
• To count from 1 to 1,998,072,704,739,420 would take you about one hundred ninety million, five hundred ninety-seven thousand, five hundred ninety-four 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 1998072704739420 cubic inches would be around 10496 feet tall.

Recreational maths with 1998072704739420

• 1998072704739420 backwards is 0249374072708991
• The number of decimal digits it has is: 16
• The sum of 1998072704739420's digits is 72
• More coming soon!