19497549890

Names of 19497549890

• Cardinal: 19497549890 can be written as Nineteen billion, four hundred ninety-seven million, five hundred forty-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.949754989 × 10¹⁰

Factors of 19497549890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 9531

Divisors of 19497549890

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 65 70 91 130 182 455 910 3677 5827 7354 11654 18385 25739 29135 36770 40789 47801 51478 58270 75751 81578 95602 128695 151502 203945 239005 257390 334607 378755 407890 478010 530257 669214 757510 1060514 1673035 2651285 3346070 5302570 21425879 42851758 107129395 149981153 214258790 278536427 299962306 557072854 749905765 1392682135 1499811530 1949754989 2785364270 3899509978 9748774945 19497549890
• Sum of all divisors σ(n): 43213734144
• Sum of proper divisors (its aliquot sum) s(n): 23716184254
• 19497549890 is an abundant number, because the sum of its proper divisors (23716184254) is greater than itself. Its abundance is 4218634364

Bases of 19497549890

• Binary: 10010001010001001010000000001000010₂
• Hexadecimal: 0x48A250042
• Base-36: 8YGC5S2

Squares and roots of 19497549890

• 19497549890 squared (19497549890²) is 380154451713039012100
• 19497549890 cubed (19497549890³) is 7412080388180574101936063669000
• The square root of 19497549890 is 139633.6273610337
• The cube root of 19497549890 is 2691.4935708685

Scales and comparisons

• 19,497,549,890 seconds is equal to 619 years, 50 weeks, 2 hours, 4 minutes, 50 seconds.
• To count from 1 to 19,497,549,890 would take you about one thousand, two hundred thirty-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 19497549890 cubic inches would be around 224.3 feet tall.

Recreational maths with 19497549890

• 19497549890 backwards is 09894579491
• 19497549890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19497549890's digits is 65
• More coming soon!