126421742194918872

Names of 126421742194918872

• Cardinal: 126421742194918872 can be written as One hundred twenty-six quadrillion, four hundred twenty-one trillion, seven hundred forty-two billion, one hundred ninety-four million, nine hundred eighteen thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.26421742194918872 × 10¹⁷

Factors of 126421742194918872

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9423206782628

Divisors of 126421742194918872

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 8 12 13 24 26 39 43 52 78 86 104 129 156 172 258 312 344 516 559 1032 1118 1677 2236 3354 4472 6708 13416 9423206782567 18846413565134 28269620347701 37692827130268 56539240695402 75385654260536 113078481390804 122501688173371 226156962781608 245003376346742 367505064520113 405197891650381 490006752693484 735010129040226 810395783300762 980013505386968 1215593674951143 1470020258080452 1620791566601524 2431187349902286 2940040516160904 3241583133203048 4862374699804572 5267572591454953 9724749399609144 10535145182909906 15802717774364859 21070290365819812 31605435548729718 42140580731639624 63210871097459436 126421742194918872
• Sum of all divisors σ(n): 348281722683713280
• Sum of proper divisors (its aliquot sum) s(n): 221859980488794408
• 126421742194918872 is an abundant number, because the sum of its proper divisors (221859980488794408) is greater than itself. Its abundance is 95438238293875536

Bases of 126421742194918872

• Binary: 111000001001000111110011110011011011010100000010111011000₂
• Hexadecimal: 0x1C123E79B6A05D8
• Base-36: YKSRMLI774O

Squares and roots of 126421742194918872

• 126421742194918872 squared (126421742194918872²) is 15982456899598530731823414661752384
• 126421742194918872 cubed (126421742194918872³) is 2020530045802447826416013781031431646989964232590848
• The square root of 126421742194918872 is 355558352.7283796943
• The cube root of 126421742194918872 is 501888.5143068371

Scales and comparisons

• 126,421,742,194,918,872 seconds is equal to 4,019,820,353 years, 35 weeks, 11 hours, 41 minutes, 12 seconds.
• To count from 1 to 126,421,742,194,918,872 would take you about twelve billion, fifty-nine million, four hundred sixty-one thousand and sixty-one 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 126421742194918872 cubic inches would be around 41824 feet tall.

Recreational maths with 126421742194918872

• 126421742194918872 backwards is 278819491247124621
• 126421742194918872 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 126421742194918872's digits is 78
• More coming soon!