121998153028896

Names of 121998153028896

• Cardinal: 121998153028896 can be written as One hundred twenty-one trillion, nine hundred ninety-eight billion, one hundred fifty-three million, twenty-eight thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 1.21998153028896 × 10¹⁴

Factors of 121998153028896

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 291539447

Divisors of 121998153028896

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 288 1453 2906 4359 5812 8718 11624 13077 17436 23248 26154 34872 46496 52308 69744 104616 139488 209232 418464 291537989 583075978 874613967 1166151956 1749227934 2332303912 2623841901 3498455868 4664607824 5247683802 6996911736 9329215648 10495367604 13993823472 20990735208 27987646944 41981470416 83962940832 423604698017 847209396034 1270814094051 1694418792068 2541628188102 3388837584136 3812442282153 5083256376204 6777675168272 7624884564306 10166512752408 13555350336544 15249769128612 20333025504816 30499538257224 40666051009632 60999076514448 121998153028896
• Sum of all divisors σ(n): 347171018479740
• Sum of proper divisors (its aliquot sum) s(n): 225172865450844
• 121998153028896 is an abundant number, because the sum of its proper divisors (225172865450844) is greater than itself. Its abundance is 103174712421948

Bases of 121998153028896

• Binary: 11011101111010011101000100100110001010100100000₂
• Hexadecimal: 0x6EF4E8931520
• Base-36: 178T6EEX40

Squares and roots of 121998153028896

• 121998153028896 squared (121998153028896²) is 14883549342461926259010978816
• 121998153028896 cubed (121998153028896³) is 1815765530294794518221318843454508091867136
• The square root of 121998153028896 is 11045277.4084174093
• The cube root of 121998153028896 is 49596.5063536179

Scales and comparisons

• 121,998,153,028,896 seconds is equal to 3,879,163 years, 46 weeks, 6 days, 1 hour, 21 minutes, 36 seconds.
• To count from 1 to 121,998,153,028,896 would take you about nine million, six hundred ninety-seven thousand, nine hundred nine 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 121998153028896 cubic inches would be around 4133 feet tall.

Recreational maths with 121998153028896

• 121998153028896 backwards is 698820351899121
• 121998153028896 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 121998153028896's digits is 72
• More coming soon!