7978639653320

Names of 7978639653320

• Cardinal: 7978639653320 can be written as Seven trillion, nine hundred seventy-eight billion, six hundred thirty-nine million, six hundred fifty-three thousand, three hundred twenty.

Scientific notation

• Scientific notation: 7.97863965332 × 10¹²

Factors of 7978639653320

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4070734531

Divisors of 7978639653320

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 392 490 980 1960 4070734517 8141469034 16282938068 20353672585 28495141619 32565876136 40707345170 56990283238 81414690340 113980566476 142475708095 162829380680 199465991333 227961132952 284951416190 398931982666 569902832380 797863965332 997329956665 1139805664760 1595727930664 1994659913330 3989319826660 7978639653320
• Sum of all divisors σ(n): 20882868077340
• Sum of proper divisors (its aliquot sum) s(n): 12904228424020
• 7978639653320 is an abundant number, because the sum of its proper divisors (12904228424020) is greater than itself. Its abundance is 4925588770700

Bases of 7978639653320

• Binary: 1110100000110101011111110110111100111001000₂
• Hexadecimal: 0x741ABFB79C8
• Base-36: 2TTC41P6W

Squares and roots of 7978639653320

• 7978639653320 squared (7978639653320²) is 63658690717530289787022400
• 7978639653320 cubed (7978639653320³) is 507909754037320973352927538171074368000
• The square root of 7978639653320 is 2824648.5893505407
• The cube root of 7978639653320 is 19982.1838450439

Scales and comparisons

• 7,978,639,653,320 seconds is equal to 253,696 years, 3 weeks, 1 day, 8 hours, 35 minutes, 20 seconds.
• To count from 1 to 7,978,639,653,320 would take you about six hundred thirty-four thousand, two hundred forty 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 7978639653320 cubic inches would be around 1665.2 feet tall.

Recreational maths with 7978639653320

• 7978639653320 backwards is 0233569368797
• The number of decimal digits it has is: 13
• The sum of 7978639653320's digits is 68
• More coming soon!