13261638101965

Names of 13261638101965

• Cardinal: 13261638101965 can be written as Thirteen trillion, two hundred sixty-one billion, six hundred thirty-eight million, one hundred one thousand, nine hundred sixty-five.

Scientific notation

• Scientific notation: 1.3261638101965 × 10¹³

Factors of 13261638101965

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1172

Divisors of 13261638101965

• Number of divisors d(n): 256
• Complete list of divisors:
  1 5 11 19 23 29 55 89 95 115 145 209 253 313 319 437 445 551 667 683 979 1045 1265 1565 1595 1691 2047 2185 2581 2755 3335 3415 3443 4807 4895 5947 6061 7199 7337 7513 8455 9077 10235 12673 12905 12977 15709 17215 18601 19807 22517 24035 27857 28391 29735 30305 35995 36685 37565 38893 45385 49039 59363 60787 63365 64885 65417 78545 79189 93005 99035 99847 112585 136781 139285 139403 141955 142747 172463 172799 194465 208771 213779 217877 245195 296815 298471 303935 306427 327085 376333 395945 427823 455561 499235 529283 539429 640711 652993 668657 683905 697015 713735 807853 862315 863995 1043855 1068895 1089385 1127897 1154953 1398101 1492355 1504591 1532135 1762823 1881665 1897093 2139115 2277805 2296481 2351569 2646415 2697145 3203555 3264965 3283181 3343285 3966649 4039265 4061801 4139663 4916917 5011171 5639485 5774765 5822113 6199591 6990505 7047821 7522955 8655659 8814115 8886383 9485465 11482405 11757845 12173509 12406867 12704483 15349207 15379111 16415905 18580619 19026331 19391053 19833245 20309005 20698315 24584585 25055855 26563919 29110565 30997955 33493637 35239105 40544929 43278295 43633139 44431915 44679811 54086087 60867545 62034335 63522415 68195501 76746035 76895555 92903095 93421423 95131655 95212249 96955265 117792229 132819595 133908599 142590593 167468185 168841277 202724645 204386809 209289641 218165695 223399055 270430435 292203109 340977505 353031761 361500289 368430007 437605613 445994219 467107115 476061245 551763599 588961145 669542995 712952965 770353651 844206385 1021934045 1027635653 1046448205 1295714519 1461015545 1568496523 1765158805 1807501445 1842150035 2188028065 2229971095 2709221267 2758817995 3851768255 3883349371 3976503179 4813661743 5138178265 6069399589 6478572595 7842482615 8314506647 8473890161 10483508381 12690562777 13546106335 19416746855 19882515895 24068308715 29801433937 30346997945 41572533235 42369450805 52417541905 63452813885 91459573117 115318592191 139596190547 149007169685 241120692763 457297865585 576592960955 697980952735 1205603463815 2652327620393 13261638101965
• Sum of all divisors σ(n): 20041178112000
• Sum of proper divisors (its aliquot sum) s(n): 6779540010035
• 13261638101965 is a deficient number, because the sum of its proper divisors (6779540010035) is less than itself. Its deficiency is 6482098091930

Bases of 13261638101965

• Binary: 11000000111110110111001110100110101111001101₂
• Hexadecimal: 0xC0FB73A6BCD
• Base-36: 4P8B8X51P

Squares and roots of 13261638101965

• 13261638101965 squared (13261638101965²) is 175871045147489847736861225
• 13261638101965 cubed (13261638101965³) is 2332338153360358087825175146675604807125
• The square root of 13261638101965 is 3641653.2100084709
• The cube root of 13261638101965 is 23670.0435736187

Scales and comparisons

• 13,261,638,101,965 seconds is equal to 421,679 years, 3 weeks, 4 days, 17 hours, 39 minutes, 25 seconds.
• To count from 1 to 13,261,638,101,965 would take you about one million, fifty-four thousand, one hundred ninety-seven 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 13261638101965 cubic inches would be around 1972.5 feet tall.

Recreational maths with 13261638101965

• 13261638101965 backwards is 56910183616231
• The number of decimal digits it has is: 14
• The sum of 13261638101965's digits is 52
• More coming soon!