12390855872128

Names of 12390855872128

• Cardinal: 12390855872128 can be written as Twelve trillion, three hundred ninety billion, eight hundred fifty-five million, eight hundred seventy-two thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2390855872128 × 10¹³

Factors of 12390855872128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 6354

Divisors of 12390855872128

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 16 32 37 64 74 128 148 296 521 592 1042 1061 1184 2084 2122 2368 4168 4244 4733 4736 8336 8488 9466 16672 16976 18932 19277 33344 33952 37864 38554 39257 66688 67904 75728 77108 78514 135808 151456 154216 157028 175121 302912 308432 314056 350242 552781 605824 616864 628112 700484 1105562 1233728 1256224 1400968 2211124 2465893 2467456 2512448 2801936 4422248 4931786 5021713 5024896 5603872 8844496 9863572 10043426 11207744 17688992 19727144 20086852 20452897 22415488 35377984 39454288 40173704 40905794 70755968 78908576 80347408 81811588 91238041 157817152 160694816 163623176 182476082 185803381 315634304 321389632 327246352 364952164 371606762 642779264 654492704 729904328 743213524 1308985408 1459808656 1486427048 2616312473 2617970816 2919617312 2972854096 5232624946 5839234624 5945708192 10465249892 11678469248 11891416384 20930499784 23782832768 41860999568 83721999136 96803561501 167443998272 193607123002 334887996544 387214246004 774428492008 1548856984016 3097713968032 6195427936064 12390855872128
• Sum of all divisors σ(n): 25430040415440
• Sum of proper divisors (its aliquot sum) s(n): 13039184543312
• 12390855872128 is an abundant number, because the sum of its proper divisors (13039184543312) is greater than itself. Its abundance is 648328671184

Bases of 12390855872128

• Binary: 10110100010011111000100100000000111010000000₂
• Hexadecimal: 0xB44F8900E80
• Base-36: 4E4A3NWCG

Squares and roots of 12390855872128

• 12390855872128 squared (12390855872128²) is 153533309243848939487248384
• 12390855872128 cubed (12390855872128³) is 1902409106411389775309756972263278641152
• The square root of 12390855872128 is 3520064.7539680289
• The cube root of 12390855872128 is 23140.1996573665

Scales and comparisons

• 12,390,855,872,128 seconds is equal to 393,990 years, 46 weeks, 1 day, 16 hours, 55 minutes, 28 seconds.
• To count from 1 to 12,390,855,872,128 would take you about nine hundred eighty-four thousand, nine hundred seventy-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 12390855872128 cubic inches would be around 1928.3 feet tall.

Recreational maths with 12390855872128

• 12390855872128 backwards is 82127855809321
• The number of decimal digits it has is: 14
• The sum of 12390855872128's digits is 61
• More coming soon!