6978249642

Names of 6978249642

• Cardinal: 6978249642 can be written as Six billion, nine hundred seventy-eight million, two hundred forty-nine thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 6.978249642 × 10⁹

Factors of 6978249642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 221

Divisors of 6978249642

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 29 39 42 49 58 78 87 91 98 147 167 169 174 182 203 273 294 334 338 377 406 501 507 546 609 637 754 841 1002 1014 1131 1169 1183 1218 1274 1421 1682 1911 2171 2262 2338 2366 2523 2639 2842 3507 3549 3822 4263 4342 4843 4901 5046 5278 5887 6513 7014 7098 7917 8183 8281 8526 9686 9802 10933 11774 13026 14529 14703 15197 15834 16366 16562 17661 18473 21866 24549 24843 28223 29058 29406 30394 32799 33901 34307 35322 36946 41209 45591 49098 49686 55419 56446 62959 65598 67802 68614 76531 82418 84669 91182 101703 102921 106379 110838 123627 125918 140447 142129 153062 169338 188877 197561 203406 205842 212758 229593 237307 240149 247254 280894 284258 319137 377754 395122 421341 426387 440713 459186 474614 480298 535717 592683 638274 711921 720447 818467 842682 852774 881426 983129 994903 1071434 1185366 1322139 1382927 1423842 1440894 1607151 1636934 1825811 1966258 1989806 2455401 2644278 2765854 2949387 2984709 3084991 3214302 3651622 4148781 4910802 5477433 5729269 5898774 5969418 6169982 6881903 6964321 8297562 9254973 10954866 11458538 12780677 13763806 13928642 17187807 18509946 20645709 20892963 23735543 25561354 34375614 38342031 40104883 41291418 41785926 47471086 71206629 76684062 80209766 89464739 120314649 142413258 166148801 178929478 240629298 268394217 332297602 498446403 536788434 996892806 1163041607 2326083214 3489124821 6978249642
• Sum of all divisors σ(n): 18316168416
• Sum of proper divisors (its aliquot sum) s(n): 11337918774
• 6978249642 is an abundant number, because the sum of its proper divisors (11337918774) is greater than itself. Its abundance is 4359669132

Bases of 6978249642

• Binary: 110011111111011111010001110101010₂
• Hexadecimal: 0x19FEFA3AA
• Base-36: 37EO3VU

Squares and roots of 6978249642

• 6978249642 squared (6978249642²) is 48695968066073128164
• 6978249642 cubed (6978249642³) is 339812621723918238956253117288
• The square root of 6978249642 is 83535.9182747157
• The cube root of 6978249642 is 1910.9478443815

Scales and comparisons

• 6,978,249,642 seconds is equal to 221 years, 46 weeks, 18 hours, 40 minutes, 42 seconds.
• To count from 1 to 6,978,249,642 would take you about four hundred forty-three 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 6978249642 cubic inches would be around 159.2 feet tall.

Recreational maths with 6978249642

• 6978249642 backwards is 2469428796
• The number of decimal digits it has is: 10
• The sum of 6978249642's digits is 57
• More coming soon!