389690725431911040

Names of 389690725431911040

• Cardinal: 389690725431911040 can be written as Three hundred eighty-nine quadrillion, six hundred ninety trillion, seven hundred twenty-five billion, four hundred thirty-one million, nine hundred eleven thousand and forty.

Scientific notation

• Scientific notation: 3.8969072543191104 × 10¹⁷

Factors of 389690725431911040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 22551546610653

Divisors of 389690725431911040

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3456 4320 5760 8640 17280 22551546610643 45103093221286 67654639831929 90206186442572 112757733053215 135309279663858 180412372885144 202963919495787 225515466106430 270618559327716 338273199159645 360824745770288 405927838991574 451030932212860 541237118655432 608891758487361 676546398319290 721649491540576 811855677983148 902061864425720 1014819597478935 1082474237310864 1217783516974722 1353092796638580 1443298983081152 1623711355966296 1804123728851440 2029639194957870 2164948474621728 2435567033949444 2706185593277160 2886597966162304 3044458792436805 3247422711932592 3608247457702880 4059278389915740 4329896949243456 4871134067898888 5412371186554320 6088917584873610 6494845423865184 7216494915405760 8118556779831480 8659793898486912 9742268135797776 10824742373108640 12177835169747220 12989690847730368 14432989830811520 16237113559662960 19484536271595552 21649484746217280 24355670339494440 25979381695460736 32474227119325920 38969072543191104 43298969492434560 48711340678988880 64948454238651840 77938145086382208 97422681357977760 129896908477303680 194845362715955520 389690725431911040
• Sum of all divisors σ(n): 1380154652571412800
• Sum of proper divisors (its aliquot sum) s(n): 990463927139501760
• 389690725431911040 is an abundant number, because the sum of its proper divisors (990463927139501760) is greater than itself. Its abundance is 600773201707590720

Bases of 389690725431911040

• Binary: 10101101000011101011010011001101101101000100010001010000000₂
• Hexadecimal: 0x56875A66DA22280
• Base-36: 2YL1TZUDSIO0

Squares and roots of 389690725431911040

• 389690725431911040 squared (389690725431911040²) is 151858861487649077812755146473881600
• 389690725431911040 cubed (389690725431911040³) is 59177989896386066476780427630036114847046534692864000
• The square root of 389690725431911040 is 624252132.9013710627
• The cube root of 389690725431911040 is 730421.1777516535

Scales and comparisons

• 389,690,725,431,911,040 seconds is equal to 12,390,959,676 years, 9 weeks, 1 day, 14 hours, 24 minutes.
• To count from 1 to 389,690,725,431,911,040 would take you about thirty-seven billion, one hundred seventy-two million, eight hundred seventy-nine thousand and twenty-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 389690725431911040 cubic inches would be around 60868.4 feet tall.

Recreational maths with 389690725431911040

• 389690725431911040 backwards is 040119134527096983
• 389690725431911040 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 389690725431911040's digits is 72
• More coming soon!