813453487260840

Names of 813453487260840

• Cardinal: 813453487260840 can be written as Eight hundred thirteen trillion, four hundred fifty-three billion, four hundred eighty-seven million, two hundred sixty thousand, eight hundred forty.

Scientific notation

• Scientific notation: 8.1345348726084 × 10¹⁴

Factors of 813453487260840

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2259593020179

Divisors of 813453487260840

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 2259593020169 4519186040338 6778779060507 9038372080676 11297965100845 13557558121014 18076744161352 20336337181521 22595930201690 27115116242028 33893895302535 40672674363042 45191860403380 54230232484056 67787790605070 81345348726084 90383720806760 101681685907605 135575581210140 162690697452168 203363371815210 271151162420280 406726743630420 813453487260840
• Sum of all divisors σ(n): 2643723833598900
• Sum of proper divisors (its aliquot sum) s(n): 1830270346338060
• 813453487260840 is an abundant number, because the sum of its proper divisors (1830270346338060) is greater than itself. Its abundance is 1016816859077220

Bases of 813453487260840

• Binary: 10111000111101010011100110001001100100010010101000₂
• Hexadecimal: 0x2E3D4E62644A8
• Base-36: 80CFDFKGQ0

Squares and roots of 813453487260840

• 813453487260840 squared (813453487260840²) is 661706575936821584166197505600
• 813453487260840 cubed (813453487260840³) is 538267521739237352604217890474932984560704000
• The square root of 813453487260840 is 28521105.9964518207
• The cube root of 813453487260840 is 93349.2662085859

Scales and comparisons

• 813,453,487,260,840 seconds is equal to 25,865,304 years, 37 weeks, 2 days, 8 hours, 54 minutes.
• To count from 1 to 813,453,487,260,840 would take you about sixty-four million, six hundred sixty-three thousand, two hundred sixty-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 813453487260840 cubic inches would be around 7779.1 feet tall.

Recreational maths with 813453487260840

• 813453487260840 backwards is 048062784354318
• The number of decimal digits it has is: 15
• The sum of 813453487260840's digits is 63
• More coming soon!