381316945840

Names of 381316945840

• Cardinal: 381316945840 can be written as Three hundred eighty-one billion, three hundred sixteen million, nine hundred forty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.8131694584 × 10¹¹

Factors of 381316945840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 153756871

Divisors of 381316945840

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 153756833 307513666 615027332 768784165 1230054664 1537568330 2460109328 3075136660 4766461823 6150273320 9532923646 12300546640 19065847292 23832309115 38131694584 47664618230 76263389168 95329236460 190658472920 381316945840
• Sum of all divisors σ(n): 915160675968
• Sum of proper divisors (its aliquot sum) s(n): 533843730128
• 381316945840 is an abundant number, because the sum of its proper divisors (533843730128) is greater than itself. Its abundance is 152526784288

Bases of 381316945840

• Binary: 101100011001000010000101101011110110000₂
• Hexadecimal: 0x58C842D7B0
• Base-36: 4V6A9IGG

Squares and roots of 381316945840

• 381316945840 squared (381316945840²) is 145402613184745493305600
• 381316945840 cubed (381316945840³) is 55444480376762067184995557768704000
• The square root of 381316945840 is 617508.6605384573
• The cube root of 381316945840 is 7251.5142035219

Scales and comparisons

• 381,316,945,840 seconds is equal to 12,124 years, 36 weeks, 2 days, 13 hours, 50 minutes, 40 seconds.
• To count from 1 to 381,316,945,840 would take you about twenty-four thousand, two hundred forty-nine 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 381316945840 cubic inches would be around 604.3 feet tall.

Recreational maths with 381316945840

• 381316945840 backwards is 048549613183
• The number of decimal digits it has is: 12
• The sum of 381316945840's digits is 52
• More coming soon!