668025649072908

Names of 668025649072908

• Cardinal: 668025649072908 can be written as Six hundred sixty-eight trillion, twenty-five billion, six hundred forty-nine million, seventy-two thousand, nine hundred eight.

Scientific notation

• Scientific notation: 6.68025649072908 × 10¹⁴

Factors of 668025649072908

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 13171

Divisors of 668025649072908

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 49 54 63 81 84 98 108 126 147 162 189 196 243 252 294 324 378 441 486 567 588 729 756 882 972 1134 1323 1458 1701 1764 2187 2268 2646 2916 3402 3969 4374 5103 5292 6561 6804 7938 8748 10206 11907 13122 13159 15309 15876 19683 20412 23814 26244 26318 30618 35721 39366 39477 45927 47628 52636 61236 71442 78732 78954 91854 92113 107163 118431 137781 142884 157908 183708 184226 214326 236862 275562 276339 321489 355293 368452 428652 473724 551124 552678 642978 644791 710586 829017 964467 1065879 1105356 1285956 1289582 1421172 1658034 1928934 1934373 2131758 2487051 2579164 3197637 3316068 3857868 3868746 4263516 4974102 5803119 6395274 7461153 7737492 9592911 9948204 11606238 12790548 14922306 17409357 19185822 22383459 23212476 28778733 29844612 34818714 38371644 44766918 52228071 57557466 67150377 69637428 86336199 89533836 104456142 115114932 134300754 156684213 172672398 173159281 201451131 208912284 259008597 268601508 313368426 345344796 346318562 402902262 470052639 518017194 519477843 604353393 626736852 692637124 805804524 940105278 1036034388 1038955686 1208706786 1212114967 1410157917 1558433529 1813060179 1880210556 2077911372 2417413572 2424229934 2820315834 3116867058 3626120358 3636344901 4230473751 4675300587 4848459868 5640631668 6233734116 7252240716 7272689802 8460947502 8484804769 9350601174 10909034703 12691421253 14025901761 14545379604 16921895004 16969609538 18701202348 21818069406 25382842506 25454414307 28051803522 32727104109 33939219076 42077705283 43636138812 50765685012 50908828614 56103607044 65454208218 76363242921 84155410566 98181312327 101817657228 126233115849 130908416436 152726485842 168310821132 196362624654 229089728763 252466231698 294543936981 305452971684 378699347547 392725249308 458179457526 504932463396 589087873962 687269186289 757398695094 883631810943 916358915052 1136098042641 1178175747924 1374538372578 1514797390188 1767263621886 2061807558867 2272196085282 2650895432829 2749076745156 3408294127923 3534527243772 4123615117734 4544392170564 5301790865658 6185422676601 6816588255846 7952686298487 8247230235468 10603581731316 12370845353202 13633176511692 15905372596974 18556268029803 23858058895461 24741690706404 31810745193948 37112536059606 47716117790922 55668804089409 74225072119212 95432235581844 111337608178818 167006412268227 222675216357636 334012824536454 668025649072908
• Sum of all divisors σ(n): 2039984516085516
• Sum of proper divisors (its aliquot sum) s(n): 1371958867012608
• 668025649072908 is an abundant number, because the sum of its proper divisors (1371958867012608) is greater than itself. Its abundance is 703933217939700

Bases of 668025649072908

• Binary: 10010111111001000011010111100000111000101100001100₂
• Hexadecimal: 0x25F90D7838B0C
• Base-36: 6KSMQVJOR0

Squares and roots of 668025649072908

• 668025649072908 squared (668025649072908²) is 446258267819280029039899576464
• 668025649072908 cubed (668025649072908³) is 298111969014126153902285829819429723456837312
• The square root of 668025649072908 is 25846192.1580899031
• The cube root of 668025649072908 is 87417.3652094115

Scales and comparisons

• 668,025,649,072,908 seconds is equal to 21,241,149 years, 15 weeks, 4 days, 18 hours, 1 minute, 48 seconds.
• To count from 1 to 668,025,649,072,908 would take you about fifty-three million, one hundred two thousand, eight hundred seventy-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 668025649072908 cubic inches would be around 7284.8 feet tall.

Recreational maths with 668025649072908

• 668025649072908 backwards is 809270946520866
• The number of decimal digits it has is: 15
• The sum of 668025649072908's digits is 72
• More coming soon!