7944389071220

Names of 7944389071220

• Cardinal: 7944389071220 can be written as Seven trillion, nine hundred forty-four billion, three hundred eighty-nine million, seventy-one thousand, two hundred twenty.

Scientific notation

• Scientific notation: 7.94438907122 × 10¹²

Factors of 7944389071220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 8239711

Divisors of 7944389071220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 14 20 28 35 70 71 97 140 142 194 284 355 388 485 497 679 710 970 994 1358 1420 1940 1988 2485 2716 3395 4970 6790 6887 9940 13580 13774 27548 34435 48209 68870 96418 137740 192836 241045 482090 964180 8239529 16479058 32958116 41197645 57676703 82395290 115353406 164790580 230706812 288383515 576767030 585006559 799234313 1153534060 1170013118 1598468626 2340026236 2925032795 3196937252 3996171565 4095045913 5594640191 5850065590 7992343130 8190091826 11189280382 11700131180 15984686260 16380183652 20475229565 22378560764 27973200955 40950459130 55946401910 56745636223 81900918260 111892803820 113491272446 226982544892 283728181115 397219453561 567456362230 794438907122 1134912724460 1588877814244 1986097267805 3972194535610 7944389071220
• Sum of all divisors σ(n): 19534409556480
• Sum of proper divisors (its aliquot sum) s(n): 11590020485260
• 7944389071220 is an abundant number, because the sum of its proper divisors (11590020485260) is greater than itself. Its abundance is 3645631414040

Bases of 7944389071220

• Binary: 1110011100110110010011111010001000101110100₂
• Hexadecimal: 0x739B27D1174
• Base-36: 2TDLO4UWK

Squares and roots of 7944389071220

• 7944389071220 squared (7944389071220²) is 63113317714919774232288400
• 7944389071220 cubed (7944389071220³) is 501396751502844277950061730611179848000
• The square root of 7944389071220 is 2818579.2646686379
• The cube root of 7944389071220 is 19953.5497616363

Scales and comparisons

• 7,944,389,071,220 seconds is equal to 252,606 years, 51 weeks, 6 days, 14 hours, 20 seconds.
• To count from 1 to 7,944,389,071,220 would take you about six hundred thirty-one thousand, five hundred seventeen 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 7944389071220 cubic inches would be around 1662.8 feet tall.

Recreational maths with 7944389071220

• 7944389071220 backwards is 0221709834497
• The number of decimal digits it has is: 13
• The sum of 7944389071220's digits is 56
• More coming soon!