12978777907520

Names of 12978777907520

• Cardinal: 12978777907520 can be written as Twelve trillion, nine hundred seventy-eight billion, seven hundred seventy-seven million, nine hundred seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.297877790752 × 10¹³

Factors of 12978777907520

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 52065126

Divisors of 12978777907520

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 32 38 40 41 64 76 80 82 95 152 160 164 190 205 304 320 328 380 410 608 656 760 779 820 1216 1312 1520 1558 1640 2624 3040 3116 3280 3895 6080 6232 6560 7790 12464 13120 15580 24928 31160 49856 62320 124640 249280 52065059 104130118 208260236 260325295 416520472 520650590 833040944 989236121 1041301180 1666081888 1978472242 2082602360 2134667419 3332163776 3956944484 4165204720 4269334838 4946180605 7913888968 8330409440 8538669676 9892361210 10673337095 15827777936 16660818880 17077339352 19784722420 21346674190 31655555872 34154678704 39569444840 40558680961 42693348380 63311111744 68309357408 79138889680 81117361922 85386696760 136618714816 158277779360 162234723844 170773393520 202793404805 316555558720 324469447688 341546787040 405586809610 648938895376 683093574080 811173619220 1297877790752 1622347238440 2595755581504 3244694476880 6489388953760 12978777907520
• Sum of all divisors σ(n): 33325803604800
• Sum of proper divisors (its aliquot sum) s(n): 20347025697280
• 12978777907520 is an abundant number, because the sum of its proper divisors (20347025697280) is greater than itself. Its abundance is 7368247789760

Bases of 12978777907520

• Binary: 10111100110111011011011100100110000101000000₂
• Hexadecimal: 0xBCDDB726140
• Base-36: 4LMD99I68

Squares and roots of 12978777907520

• 12978777907520 squared (12978777907520²) is 168448675972729229672550400
• 12978777907520 cubed (12978777907520³) is 2186257954265853172073045175293739008000
• The square root of 12978777907520 is 3602607.0986883929
• The cube root of 12978777907520 is 23500.5449745475

Scales and comparisons

• 12,978,777,907,520 seconds is equal to 412,684 years, 51 weeks, 3 days, 21 hours, 25 minutes, 20 seconds.
• To count from 1 to 12,978,777,907,520 would take you about one million, thirty-one thousand, seven hundred twelve 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 12978777907520 cubic inches would be around 1958.4 feet tall.

Recreational maths with 12978777907520

• 12978777907520 backwards is 02570977787921
• The number of decimal digits it has is: 14
• The sum of 12978777907520's digits is 71
• More coming soon!