638391744369113

Names of 638391744369113

• Cardinal: 638391744369113 can be written as Six hundred thirty-eight trillion, three hundred ninety-one billion, seven hundred forty-four million, three hundred sixty-nine thousand, one hundred thirteen.

Scientific notation

• Scientific notation: 6.38391744369113 × 10¹⁴

Factors of 638391744369113

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5219

Divisors of 638391744369113

• Number of divisors d(n): 128
• Complete list of divisors:
  1 7 31 43 103 217 301 313 503 721 1333 2191 3193 3521 4219 4429 9331 9703 13459 15593 21629 22351 29533 31003 32239 51809 67921 94213 109151 130789 137299 151403 157439 181417 225673 362663 417229 434557 670499 915523 961093 999409 1102073 1269919 1320547 1386277 1606079 2122157 2227787 2920603 3041899 4693493 4880609 5623927 6769877 6995863 9243829 9703939 11242553 13471267 14855099 15594509 16216217 18685951 34164263 39367489 40936957 42974587 47389139 56783521 65786867 69061397 91252751 94298869 113513519 130801657 136016341 209866187 218582171 286558699 300822109 397484647 460508069 483429779 502702727 579264481 638769257 664235141 697297331 952114387 1469063309 1530075197 1760289151 2828835281 3518919089 4054851367 4216506571 4649645987 4881081317 5848702663 6776047301 9399033353 12322024057 19801846967 20591289371 21616217261 28562111063 29515545997 40940918641 47432331107 65793233471 68416219523 144139025597 151313520827 181309782553 199934777441 291370033943 478913536661 885425442953 1269168477871 2039590237601 2120902805213 2941897439489 6197978100671 14846319636491 20593282076423 91198820624159 638391744369113
• Sum of all divisors σ(n): 782345549905920
• Sum of proper divisors (its aliquot sum) s(n): 143953805536807
• 638391744369113 is a deficient number, because the sum of its proper divisors (143953805536807) is less than itself. Its deficiency is 494437938832306

Bases of 638391744369113

• Binary: 10010001001001110100101001001001101001000111011001₂
• Hexadecimal: 0x2449D292691D9
• Base-36: 6AAH49T715

Squares and roots of 638391744369113

• 638391744369113 squared (638391744369113²) is 407544019278638919742388406769
• 638391744369113 cubed (638391744369113³) is 260172737374489717508615613305515527123725897
• The square root of 638391744369113 is 25266415.3446648027
• The cube root of 638391744369113 is 86105.1420162763

Scales and comparisons

• 638,391,744,369,113 seconds is equal to 20,298,882 years, 41 weeks, 2 days, 14 hours, 31 minutes, 53 seconds.
• To count from 1 to 638,391,744,369,113 would take you about fifty million, seven hundred forty-seven thousand, two hundred six 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 638391744369113 cubic inches would be around 7175.4 feet tall.

Recreational maths with 638391744369113

• 638391744369113 backwards is 311963447193836
• The number of decimal digits it has is: 15
• The sum of 638391744369113's digits is 68
• More coming soon!