768139020

Names of 768139020

• Cardinal: 768139020 can be written as Seven hundred sixty-eight million, one hundred thirty-nine thousand and twenty.

Scientific notation

• Scientific notation: 7.6813902 × 10⁸

Factors of 768139020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2951

Divisors of 768139020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 139 165 180 198 220 278 330 396 417 495 556 660 695 834 990 1251 1390 1529 1668 1980 2085 2502 2780 2791 3058 4170 4587 5004 5582 6116 6255 7645 8340 8373 9174 11164 12510 13761 13955 15290 16746 18348 22935 25020 25119 27522 27910 30580 30701 33492 41865 45870 50238 55044 55820 61402 68805 83730 91740 92103 100476 122804 125595 137610 153505 167460 184206 251190 275220 276309 307010 368412 387949 460515 502380 552618 614020 775898 921030 1105236 1163847 1381545 1551796 1842060 1939745 2327694 2763090 3491541 3879490 4267439 4655388 5526180 5819235 6983082 7758980 8534878 11638470 12802317 13966164 17069756 17457705 21337195 23276940 25604634 34915410 38406951 42674390 51209268 64011585 69830820 76813902 85348780 128023170 153627804 192034755 256046340 384069510 768139020
• Sum of all divisors σ(n): 2561045760
• Sum of proper divisors (its aliquot sum) s(n): 1792906740
• 768139020 is an abundant number, because the sum of its proper divisors (1792906740) is greater than itself. Its abundance is 1024767720

Bases of 768139020

• Binary: 101101110010001101111100001100₂
• Hexadecimal: 0x2DC8DF0C
• Base-36: CPBVV0

Squares and roots of 768139020

• 768139020 squared (768139020²) is 590037554046560400
• 768139020 cubed (768139020³) is 453230868528521940026808000
• The square root of 768139020 is 27715.3210336809
• The cube root of 768139020 is 915.8266470193

Scales and comparisons

• 768,139,020 seconds is equal to 24 years, 22 weeks, 11 hours, 57 minutes.
• To count from 1 to 768,139,020 would take you about thirty-six 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 768139020 cubic inches would be around 76.3 feet tall.

Recreational maths with 768139020

• 768139020 backwards is 020931867
• 768139020 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 768139020's digits is 36
• More coming soon!