27978924528640

Names of 27978924528640

• Cardinal: 27978924528640 can be written as Twenty-seven trillion, nine hundred seventy-eight billion, nine hundred twenty-four million, five hundred twenty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.797892452864 × 10¹³

Factors of 27978924528640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 17953

Divisors of 27978924528640

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 64 68 80 85 128 136 160 170 256 272 320 340 512 544 640 680 1024 1088 1280 1360 2176 2560 2720 4352 5120 5440 8704 10880 17408 17929 21760 35858 43520 71716 87040 89645 143432 179290 286864 304793 358580 573728 609586 717160 1147456 1219172 1434320 1523965 2294912 2438344 2868640 3047930 4589824 4876688 5737280 6095860 9179648 9753376 11474560 12191720 18359296 19506752 22949120 24383440 39013504 45898240 48766880 78027008 91796480 97533760 156054016 195067520 312108032 321449041 390135040 642898082 780270080 1285796164 1560540160 1607245205 2571592328 3214490410 5143184656 5464633697 6428980820 10286369312 10929267394 12857961640 20572738624 21858534788 25715923280 27323168485 41145477248 43717069576 51431846560 54646336970 82290954496 87434139152 102863693120 109292673940 164581908992 174868278304 205727386240 218585347880 329163817984 349736556608 411454772480 437170695760 699473113216 822909544960 874341391520 1398946226432 1645819089920 1748682783040 2797892452864 3497365566080 5595784905728 6994731132160 13989462264320 27978924528640
• Sum of all divisors σ(n): 71068632080796
• Sum of proper divisors (its aliquot sum) s(n): 43089707552156
• 27978924528640 is an abundant number, because the sum of its proper divisors (43089707552156) is greater than itself. Its abundance is 15110783023516

Bases of 27978924528640

• Binary: 110010111001001011001110110111001010000000000₂
• Hexadecimal: 0x197259DB9400
• Base-36: 9X1C99PTS

Squares and roots of 27978924528640

• 27978924528640 squared (27978924528640²) is 782820217779333046180249600
• 27978924528640 cubed (27978924528640³) is 21902467792741487996632315392157548544000
• The square root of 27978924528640 is 5289510.8023937337
• The cube root of 27978924528640 is 30358.2690511957

Scales and comparisons

• 27,978,924,528,640 seconds is equal to 889,643 years, 13 weeks, 2 days, 10 minutes, 40 seconds.
• To count from 1 to 27,978,924,528,640 would take you about two million, two hundred twenty-four thousand, one hundred 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 27978924528640 cubic inches would be around 2529.9 feet tall.

Recreational maths with 27978924528640

• 27978924528640 backwards is 04682542987972
• The number of decimal digits it has is: 14
• The sum of 27978924528640's digits is 73
• More coming soon!