1997540297368

Names of 1997540297368

• Cardinal: 1997540297368 can be written as One trillion, nine hundred ninety-seven billion, five hundred forty million, two hundred ninety-seven thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 1.997540297368 × 10¹²

Factors of 1997540297368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1387564

Divisors of 1997540297368

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 44 56 77 88 154 308 616 2341 4682 9364 16387 18728 25751 32774 51502 65548 103004 131096 180257 206008 360514 721028 1385203 1442056 2770406 5540812 9696421 11081624 15237233 19392842 30474466 38785684 60948932 77571368 106660631 121897864 213321262 426642524 853285048 3242760223 6485520446 12971040892 22699321561 25942081784 35670362453 45398643122 71340724906 90797286244 142681449812 181594572488 249692537171 285362899624 499385074342 998770148684 1997540297368
• Sum of all divisors σ(n): 4671572785920
• Sum of proper divisors (its aliquot sum) s(n): 2674032488552
• 1997540297368 is an abundant number, because the sum of its proper divisors (2674032488552) is greater than itself. Its abundance is 676492191184

Bases of 1997540297368

• Binary: 11101000100010110101011100000101010011000₂
• Hexadecimal: 0x1D116AE0A98
• Base-36: PHNNX1UG

Squares and roots of 1997540297368

• 1997540297368 squared (1997540297368²) is 3990167239609037867727424
• 1997540297368 cubed (1997540297368³) is 7970519854356689210360611187328620032
• The square root of 1997540297368 is 1413343.6586223463
• The cube root of 1997540297368 is 12594.0433282147

Scales and comparisons

• 1,997,540,297,368 seconds is equal to 63,515 years, 31 weeks, 2 days, 8 hours, 49 minutes, 28 seconds.
• To count from 1 to 1,997,540,297,368 would take you about one hundred fifty-eight thousand, seven hundred eighty-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 1997540297368 cubic inches would be around 1049.5 feet tall.

Recreational maths with 1997540297368

• 1997540297368 backwards is 8637920457991
• The number of decimal digits it has is: 13
• The sum of 1997540297368's digits is 70
• More coming soon!