381350985728

Names of 381350985728

• Cardinal: 381350985728 can be written as Three hundred eighty-one billion, three hundred fifty million, nine hundred eighty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 3.81350985728 × 10¹¹

Factors of 381350985728

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 128

Divisors of 381350985728

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 16 19 32 38 64 76 107 128 152 214 256 304 428 512 608 856 1024 1216 1712 2033 2048 2432 3424 4066 4096 4864 6848 8132 8192 9728 11449 13696 16264 16384 19456 22898 27392 32528 38912 45796 54784 65056 77824 91592 109568 130112 155648 183184 217531 219136 260224 311296 366368 435062 438272 520448 732736 870124 876544 1040896 1225043 1465472 1740248 1753088 2081792 2450086 2930944 3480496 4163584 4900172 5861888 6960992 8327168 9800344 11723776 13921984 16654336 19600688 23275817 23447552 27843968 33308672 39201376 46551634 46895104 55687936 78402752 93103268 93790208 111375872 156805504 186206536 187580416 222751744 313611008 372413072 445503488 627222016 744826144 891006976 1254444032 1489652288 1782013952 2508888064 2979304576 3564027904 5017776128 5958609152 10035552256 11917218304 20071104512 23834436608 47668873216 95337746432 190675492864 381350985728
• Sum of all divisors σ(n): 810393444000
• Sum of proper divisors (its aliquot sum) s(n): 429042458272
• 381350985728 is an abundant number, because the sum of its proper divisors (429042458272) is greater than itself. Its abundance is 47691472544

Bases of 381350985728

• Binary: 101100011001010010010100100000000000000₂
• Hexadecimal: 0x58CA4A4000
• Base-36: 4V6UJ3SW

Squares and roots of 381350985728

• 381350985728 squared (381350985728²) is 145428574315717259689984
• 381350985728 cubed (381350985728³) is 55459330168316480066118358088548352
• The square root of 381350985728 is 617536.2221991515
• The cube root of 381350985728 is 7251.7299762443

Scales and comparisons

• 381,350,985,728 seconds is equal to 12,125 years, 40 weeks, 4 days, 13 hours, 22 minutes, 8 seconds.
• To count from 1 to 381,350,985,728 would take you about twenty-four thousand, two hundred fifty-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 381350985728 cubic inches would be around 604.3 feet tall.

Recreational maths with 381350985728

• 381350985728 backwards is 827589053183
• The number of decimal digits it has is: 12
• The sum of 381350985728's digits is 59
• More coming soon!