1385305861280

Names of 1385305861280

• Cardinal: 1385305861280 can be written as One trillion, three hundred eighty-five billion, three hundred five million, eight hundred sixty-one thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.38530586128 × 10¹²

Factors of 1385305861280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 203582

Divisors of 1385305861280

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 3943 7886 15772 19715 31544 39430 43373 63088 78860 86746 126176 157720 173492 199621 216865 315440 346984 399242 433730 630880 693968 798484 867460 998105 1387936 1596968 1734920 1996210 2195831 3193936 3469840 3992420 4391662 6387872 6939680 7984840 8783324 10979155 15969680 17566648 21958310 31939360 35133296 43916620 70266592 87833240 175666480 351332960 787105603 1574211206 3148422412 3935528015 6296844824 7871056030 8658161633 12593689648 15742112060 17316323266 25187379296 31484224120 34632646532 43290808165 62968448240 69265293064 86581616330 125936896480 138530586128 173163232660 277061172256 346326465320 692652930640 1385305861280
• Sum of all divisors σ(n): 3571234386048
• Sum of proper divisors (its aliquot sum) s(n): 2185928524768
• 1385305861280 is an abundant number, because the sum of its proper divisors (2185928524768) is greater than itself. Its abundance is 800622663488

Bases of 1385305861280

• Binary: 10100001010001010101010011110110010100000₂
• Hexadecimal: 0x1428AA9ECA0
• Base-36: HOEFCBKW

Squares and roots of 1385305861280

• 1385305861280 squared (1385305861280²) is 1919072329296722603238400
• 1385305861280 cubed (1385305861280³) is 2658502145995012082560415429169152000
• The square root of 1385305861280 is 1176990.1704262445
• The cube root of 1385305861280 is 11147.6131854191

Scales and comparisons

• 1,385,305,861,280 seconds is equal to 44,048 years, 22 weeks, 6 days, 15 hours, 41 minutes, 20 seconds.
• To count from 1 to 1,385,305,861,280 would take you about one hundred ten thousand, one hundred twenty-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 1385305861280 cubic inches would be around 929 feet tall.

Recreational maths with 1385305861280

• 1385305861280 backwards is 0821685035831
• The number of decimal digits it has is: 13
• The sum of 1385305861280's digits is 50
• More coming soon!