668445333516800

Names of 668445333516800

• Cardinal: 668445333516800 can be written as Six hundred sixty-eight trillion, four hundred forty-five billion, three hundred thirty-three million, five hundred sixteen thousand, eight hundred.

Scientific notation

• Scientific notation: 6.684453335168 × 10¹⁴

Factors of 668445333516800

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 7460327397

Divisors of 668445333516800

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 64 70 80 100 112 128 140 160 175 200 224 256 280 320 350 400 448 512 560 640 700 800 896 1120 1280 1400 1600 1792 2240 2560 2800 3200 3584 4480 5600 6400 8960 11200 12800 17920 22400 44800 89600 7460327383 14920654766 29841309532 37301636915 52222291681 59682619064 74603273830 104444583362 119365238128 149206547660 186508184575 208889166724 238730476256 261111458405 298413095320 373016369150 417778333448 477460952512 522222916810 596826190640 746032738300 835556666896 954921905024 1044445833620 1193652381280 1305557292025 1492065476600 1671113333792 1909843810048 2088891667240 2387304762560 2611114584050 2984130953200 3342226667584 3819687620096 4177783334480 4774609525120 5222229168100 5968261906400 6684453335168 8355566668960 9549219050240 10444458336200 11936523812800 13368906670336 16711133337920 19098438100480 20888916672400 23873047625600 26737813340672 33422266675840 41777833344800 47746095251200 66844533351680 83555666689600 95492190502400 133689066703360 167111333379200 334222666758400 668445333516800
• Sum of all divisors σ(n): 1892714898630336
• Sum of proper divisors (its aliquot sum) s(n): 1224269565113536
• 668445333516800 is an abundant number, because the sum of its proper divisors (1224269565113536) is greater than itself. Its abundance is 555824231596736

Bases of 668445333516800

• Binary: 10010111111111001010001110101001111111001000000000₂
• Hexadecimal: 0x25FF28EA7F200
• Base-36: 6KXZJOTU68

Squares and roots of 668445333516800

• 668445333516800 squared (668445333516800²) is 446819163900385985455882240000
• 668445333516800 cubed (668445333516800³) is 298674185035091232780309838009185861632000000
• The square root of 668445333516800 is 25854309.7667835643
• The cube root of 668445333516800 is 87435.6679138395

Scales and comparisons

• 668,445,333,516,800 seconds is equal to 21,254,493 years, 50 weeks, 2 days, 14 hours, 13 minutes, 20 seconds.
• To count from 1 to 668,445,333,516,800 would take you about fifty-three million, one hundred thirty-six thousand, two hundred thirty-four 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 668445333516800 cubic inches would be around 7286.3 feet tall.

Recreational maths with 668445333516800

• 668445333516800 backwards is 008615333544866
• The number of decimal digits it has is: 15
• The sum of 668445333516800's digits is 62
• More coming soon!