16389995349

Names of 16389995349

• Cardinal: 16389995349 can be written as Sixteen billion, three hundred eighty-nine million, nine hundred ninety-five thousand, three hundred forty-nine.

Scientific notation

• Scientific notation: 1.6389995349 × 10¹⁰

Factors of 16389995349

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 330

Divisors of 16389995349

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 13 21 39 49 91 147 169 273 307 343 507 637 921 1029 1183 1911 2149 3549 3991 4459 6447 8281 11973 13377 15043 24843 27937 45129 51883 57967 83811 94249 105301 155649 173901 195559 282747 315903 363181 586677 659743 1089543 1225237 1368913 1979229 2542267 3675711 4106739 4618201 7626801 8576659 13854603 15928081 17795869 25729977 32327407 47784243 53387607 60036613 96982221 111496567 180109839 334489701 420256291 780475969 1260768873 2341427907 5463331783 16389995349
• Sum of all divisors σ(n): 27686289600
• Sum of proper divisors (its aliquot sum) s(n): 11296294251
• 16389995349 is a deficient number, because the sum of its proper divisors (11296294251) is less than itself. Its deficiency is 5093701098

Bases of 16389995349

• Binary: 1111010000111010110111101101010101₂
• Hexadecimal: 0x3D0EB7B55
• Base-36: 7J26HCL

Squares and roots of 16389995349

• 16389995349 squared (16389995349²) is 268631947540241631801
• 16389995349 cubed (16389995349³) is 4402876370777372335554560493549
• The square root of 16389995349 is 128023.4171899813
• The cube root of 16389995349 is 2540.1514443047

Scales and comparisons

• 16,389,995,349 seconds is equal to 521 years, 7 weeks, 6 days, 29 minutes, 9 seconds.
• To count from 1 to 16,389,995,349 would take you about one thousand and forty-two 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 16389995349 cubic inches would be around 211.7 feet tall.

Recreational maths with 16389995349

• 16389995349 backwards is 94359998361
• The number of decimal digits it has is: 11
• The sum of 16389995349's digits is 66
• More coming soon!