18081385632401

Names of 18081385632401

• Cardinal: 18081385632401 can be written as Eighteen trillion, eighty-one billion, three hundred eighty-five million, six hundred thirty-two thousand, four hundred one.

Scientific notation

• Scientific notation: 1.8081385632401 × 10¹³

Factors of 18081385632401

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1046

Divisors of 18081385632401

• Number of divisors d(n): 288
• Complete list of divisors:
  1 7 13 17 31 37 49 91 119 169 217 221 259 289 343 403 481 527 629 637 833 941 1147 1183 1519 1547 1813 2023 2821 2873 3367 3689 3757 4403 4459 5239 5831 6253 6587 6851 8029 8177 8281 8959 10633 10693 10829 12233 12691 14161 14911 15997 19499 19747 20111 23569 25823 26299 29171 30821 34817 36673 43771 46109 47957 48841 56203 57239 57967 62713 74851 75803 85631 89063 99127 104377 106301 111979 116467 136493 138229 139009 140777 159029 164983 180761 184093 193843 204197 207961 215747 243719 253487 256711 271949 306397 322763 331483 335699 341887 379223 393421 400673 438991 452621 495907 523957 591889 599417 623441 730639 744107 783853 815269 955451 973063 985439 1079327 1113203 1288651 1356901 1429379 1455727 1514071 1706033 1774409 1796977 1807117 1903643 2144779 2320381 2349893 2393209 2654561 2703493 2804711 3072937 3168347 3295331 3471349 3535337 3667699 4143223 4195919 4309279 4364087 4929899 5114473 5208749 5486971 5706883 5884073 6446791 6688157 6811441 7555289 7694557 7792421 8430419 9498307 10005653 10062113 10190089 10598497 11942231 12420863 12649819 13325501 14031251 16242667 16752463 18348559 18581927 18924451 22178429 23067317 24299443 24747359 29002561 30164953 30548609 34509293 36461243 39948181 41188511 45127537 45959381 47680087 52887023 53861899 54546947 56020627 59012933 66488149 70434791 71330623 74189479 83808283 86946041 88548733 93278507 98218757 100029241 109595447 113698669 128439913 130073489 130807469 132471157 155249003 161471219 170096101 173231513 182406263 203017927 211154671 238531267 241565051 288319577 311925503 315892759 321715667 370209161 377033293 392144389 413090531 493043537 519326353 586657981 619841131 687531299 700204687 767168129 899079391 915652283 927298099 1130298533 1212620591 1276843841 1424740811 1478082697 1669718869 1690955357 1700497097 2018237039 2183478521 2211249313 2252009669 2639233051 2745010723 2891633717 3100906471 3451304759 4055031539 4106605867 4812719093 4901432809 5370176903 6293555737 6409565981 8937906887 9973185677 11688032083 11903479679 15284349647 15764067683 19215075061 21706345297 28385220773 28746241069 34310029663 37591238321 44866961867 52715410007 62565348209 69812299739 81816224581 83324357753 106990447529 151944417079 198696545411 369007870049 488686098173 583270504271 1063610919553 1390875817877 2583055090343 18081385632401
• Sum of all divisors σ(n): 25741504972800
• Sum of proper divisors (its aliquot sum) s(n): 7660119340399
• 18081385632401 is a deficient number, because the sum of its proper divisors (7660119340399) is less than itself. Its deficiency is 10421266292002

Bases of 18081385632401

• Binary: 100000111000111100110100100010101001010010001₂
• Hexadecimal: 0x1071E6915291
• Base-36: 6EQH25OR5

Squares and roots of 18081385632401

• 18081385632401 squared (18081385632401²) is 326936506387597310701024801
• 18081385632401 cubed (18081385632401³) is 5911465049304079775772776206068170177201
• The square root of 18081385632401 is 4252221.2586365963
• The cube root of 18081385632401 is 26246.8528386723

Scales and comparisons

• 18,081,385,632,401 seconds is equal to 574,932 years, 6 weeks, 6 days, 16 hours, 6 minutes, 41 seconds.
• To count from 1 to 18,081,385,632,401 would take you about one million, four hundred thirty-seven thousand, three hundred thirty 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 18081385632401 cubic inches would be around 2187.2 feet tall.

Recreational maths with 18081385632401

• 18081385632401 backwards is 10423658318081
• The number of decimal digits it has is: 14
• The sum of 18081385632401's digits is 50
• More coming soon!