13286437857

Names of 13286437857

• Cardinal: 13286437857 can be written as Thirteen billion, two hundred eighty-six million, four hundred thirty-seven thousand, eight hundred fifty-seven.

Scientific notation

• Scientific notation: 1.3286437857 × 10¹⁰

Factors of 13286437857

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 321

Divisors of 13286437857

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 7 9 11 19 21 27 33 49 57 63 77 81 99 133 147 171 189 209 231 243 281 297 361 399 441 513 539 567 627 693 843 891 931 1083 1197 1323 1463 1539 1617 1701 1881 1967 2079 2527 2529 2673 2793 3091 3249 3591 3969 3971 4389 4617 4851 5339 5643 5901 6237 7581 7587 8379 9273 9747 10241 10773 11907 11913 13167 13769 14553 16017 16929 17689 17703 18711 21637 22743 22761 25137 27797 27819 29241 30723 32319 35739 37373 39501 41307 43659 48051 50787 53067 53109 58729 64911 68229 68283 75411 83391 83457 87723 92169 101441 107217 112119 118503 123921 130977 144153 151459 159201 159327 176187 194579 194733 204687 226233 250173 250371 261611 276507 304323 321651 336357 355509 371763 411103 432459 454377 477603 477981 528561 583737 584199 614061 710087 750519 751113 784833 829521 912969 964953 1009071 1115289 1115851 1233309 1297377 1363131 1432809 1585683 1751211 1752597 2130261 2251557 2354499 2488563 2738907 2877721 3027213 3345867 3347553 3699927 4089393 4298427 4757049 4970609 5253633 5257791 6390783 6754671 7063497 7810957 8216721 8633163 9081639 10042659 11099781 12268179 14271147 14911827 15760899 19172349 21190491 23432871 24650163 25899489 30127977 33299343 36804537 44735481 47282697 54676699 57517047 63571473 70298613 77698467 90383931 99898029 134206443 164030097 172551141 210895839 233095401 271151793 402619329 492090291 632687517 699286203 1207857987 1476270873 1898062551 4428812619 13286437857
• Sum of all divisors σ(n): 26750479392
• Sum of proper divisors (its aliquot sum) s(n): 13464041535
• 13286437857 is an abundant number, because the sum of its proper divisors (13464041535) is greater than itself. Its abundance is 177603678

Bases of 13286437857

• Binary: 1100010111111011101111001111100001₂
• Hexadecimal: 0x317EEF3E1
• Base-36: 63QEH29

Squares and roots of 13286437857

• 13286437857 squared (13286437857²) is 176529430927922752449
• 13286437857 cubed (13286437857³) is 2345447313955419496510033061793
• The square root of 13286437857 is 115266.8116024729
• The cube root of 13286437857 is 2368.4789005681

Scales and comparisons

• 13,286,437,857 seconds is equal to 422 years, 24 weeks, 2 days, 5 hours, 10 minutes, 57 seconds.
• To count from 1 to 13,286,437,857 would take you about eight hundred forty-four 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 13286437857 cubic inches would be around 197.4 feet tall.

Recreational maths with 13286437857

• 13286437857 backwards is 75873468231
• The number of decimal digits it has is: 11
• The sum of 13286437857's digits is 54
• More coming soon!