164515407749

Names of 164515407749

• Cardinal: 164515407749 can be written as One hundred sixty-four billion, five hundred fifteen million, four hundred seven thousand, seven hundred forty-nine.

Scientific notation

• Scientific notation: 1.64515407749 × 10¹¹

Factors of 164515407749

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 482

Divisors of 164515407749

• Number of divisors d(n): 144
• Complete list of divisors:
  1 7 11 19 49 67 71 77 121 133 209 307 469 497 539 737 781 847 931 1273 1349 1463 2149 2299 3283 3377 3479 4757 5159 5467 5833 5929 8107 8591 8911 9443 10241 14003 14839 15043 16093 20569 21797 23639 33299 36113 37147 38269 40831 52327 56749 60137 62377 64163 66101 90383 98021 103873 112651 143983 152579 154033 163229 165473 226259 233093 239767 260029 285817 366289 390811 397243 414143 420959 449141 575597 632681 686147 705793 727111 994213 1007881 1068053 1078231 1142603 1460399 1583813 1678369 1820203 2488849 2564023 2637437 2735677 2899001 3143987 4029179 4298921 4428767 4555573 4940551 6959491 7547617 7998221 10222793 10936343 11086691 11748583 16064389 17421943 18462059 19149739 20293007 27747581 28204253 30092447 31889011 34583857 47288131 48716437 50111303 71559551 76554401 112450723 121953601 129234413 176708279 194233067 210647129 223223077 305223391 331016917 350779121 535880807 787155061 1236957953 1359631469 2136563737 2317118419 2455453847 3357457301 8658705671 14955946159 23502201107 164515407749
• Sum of all divisors σ(n): 228638108160
• Sum of proper divisors (its aliquot sum) s(n): 64122700411
• 164515407749 is a deficient number, because the sum of its proper divisors (64122700411) is less than itself. Its deficiency is 100392707338

Bases of 164515407749

• Binary: 10011001001101111000011110011110000101₂
• Hexadecimal: 0x264DE1E785
• Base-36: 23KS851H

Squares and roots of 164515407749

• 164515407749 squared (164515407749²) is 27065319386819729247001
• 164515407749 cubed (164515407749³) is 4452662054779562413428150250410749
• The square root of 164515407749 is 405604.9897979561
• The cube root of 164515407749 is 5479.4318029015

Scales and comparisons

• 164,515,407,749 seconds is equal to 5,231 years, 4 weeks, 1 day, 12 hours, 22 minutes, 29 seconds.
• To count from 1 to 164,515,407,749 would take you about ten thousand, four hundred sixty-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 164515407749 cubic inches would be around 456.6 feet tall.

Recreational maths with 164515407749

• 164515407749 backwards is 947704515461
• The number of decimal digits it has is: 12
• The sum of 164515407749's digits is 53
• More coming soon!