1643999437779499

Names of 1643999437779499

• Cardinal: 1643999437779499 can be written as One quadrillion, six hundred forty-three trillion, nine hundred ninety-nine billion, four hundred thirty-seven million, seven hundred seventy-nine thousand, four hundred ninety-nine.

Scientific notation

• Scientific notation: 1.643999437779499 × 10¹⁵

Factors of 1643999437779499

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 587672

Divisors of 1643999437779499

• Number of divisors d(n): 64
• Complete list of divisors:
  1 17 19 47 323 379 487 799 893 6443 7201 8279 9253 15181 17813 22889 122417 157301 184573 302821 338447 389113 434891 586723 3137741 3506887 5753599 7393147 8674931 9974291 11147737 27575981 59617079 147473827 164823689 189511529 222368017 285734101 468791677 523943639 2802002713 3780256289 4224992323 4857479717 5428947919 8907041863 10451296799 13429502747 71824869491 92292114623 108293224279 177672045583 198574639181 228301546699 255160552193 1840984812743 2057571261301 3375768866077 4337729387281 5089781541113 34978711442117 86526286198921 96705849281147 1643999437779499
• Sum of all divisors σ(n): 1880100263116800
• Sum of proper divisors (its aliquot sum) s(n): 236100825337301
• 1643999437779499 is a deficient number, because the sum of its proper divisors (236100825337301) is less than itself. Its deficiency is 1407898612442198

Bases of 1643999437779499

• Binary: 101110101110011010101110010011111111111001000101011₂
• Hexadecimal: 0x5D735727FF22B
• Base-36: G6QYWYG2EJ

Squares and roots of 1643999437779499

• 1643999437779499 squared (1643999437779499²) is 2702734151419308803891744691001
• 1643999437779499 cubed (1643999437779499³) is 4443293425400794992824371474278194061327588499
• The square root of 1643999437779499 is 40546262.9323529519
• The cube root of 1643999437779499 is 118023.1554141953

Scales and comparisons

• 1,643,999,437,779,499 seconds is equal to 52,274,096 years, 46 weeks, 4 days, 14 hours, 18 minutes, 19 seconds.
• To count from 1 to 1,643,999,437,779,499 would take you about one hundred fifty-six million, eight hundred twenty-two thousand, two hundred ninety 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 1643999437779499 cubic inches would be around 9835.3 feet tall.

Recreational maths with 1643999437779499

• 1643999437779499 backwards is 9949777349993461
• The number of decimal digits it has is: 16
• The sum of 1643999437779499's digits is 100
• More coming soon!