1997990091548

Names of 1997990091548

• Cardinal: 1997990091548 can be written as One trillion, nine hundred ninety-seven billion, nine hundred ninety million, ninety-one thousand, five hundred forty-eight.

Scientific notation

• Scientific notation: 1.997990091548 × 10¹²

Factors of 1997990091548

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2080

Divisors of 1997990091548

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 11 22 37 44 74 148 407 601 814 1202 1429 1628 2404 2858 5716 6611 13222 15719 22237 26444 31438 44474 52873 62876 88948 105746 211492 244607 489214 581603 858829 978428 1163206 1717658 2042041 2326412 3435316 4084082 8168164 9447119 18894238 22462451 31776673 37788476 44924902 63553346 75555517 89849804 127106692 151111034 302222068 349543403 699086806 831110687 1227266641 1398173612 1662221374 2454533282 3324442748 4909066564 13499933051 26999866102 45408865717 53999732204 90817731434 181635462868 499497522887 998995045774 1997990091548
• Sum of all divisors σ(n): 3926701178064
• Sum of proper divisors (its aliquot sum) s(n): 1928711086516
• 1997990091548 is a deficient number, because the sum of its proper divisors (1928711086516) is less than itself. Its deficiency is 69279005032

Bases of 1997990091548

• Binary: 11101000100110001011111010101101100011100₂
• Hexadecimal: 0x1D1317D5B1C
• Base-36: PHV3PP98

Squares and roots of 1997990091548

• 1997990091548 squared (1997990091548²) is 3991964405923985421036304
• 1997990091548 cubed (1997990091548³) is 7975905328848421064905342353991558592
• The square root of 1997990091548 is 1413502.7738027259
• The cube root of 1997990091548 is 12594.9885410629

Scales and comparisons

• 1,997,990,091,548 seconds is equal to 63,529 years, 47 weeks, 7 hours, 39 minutes, 8 seconds.
• To count from 1 to 1,997,990,091,548 would take you about one hundred fifty-eight thousand, eight hundred twenty-four 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 1997990091548 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1997990091548

• 1997990091548 backwards is 8451900997991
• The number of decimal digits it has is: 13
• The sum of 1997990091548's digits is 71
• More coming soon!