642040476480

Names of 642040476480

• Cardinal: 642040476480 can be written as Six hundred forty-two billion, forty million, four hundred seventy-six thousand, four hundred eighty.

Scientific notation

• Scientific notation: 6.4204047648 × 10¹¹

Factors of 642040476480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 17148540

Divisors of 642040476480

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 64 65 72 78 80 90 96 104 117 120 130 144 156 160 180 192 195 208 234 240 260 288 312 320 360 390 416 468 480 520 576 585 624 720 780 832 936 960 1040 1170 1248 1440 1560 1872 2080 2340 2496 2880 3120 3744 4160 4680 6240 7488 9360 12480 18720 37440 17148517 34297034 51445551 68594068 85742585 102891102 137188136 154336653 171485170 205782204 222930721 257227755 274376272 308673306 342970340 411564408 445861442 514455510 548752544 617346612 668792163 685940680 771683265 823128816 891722884 1028911020 1097505088 1114653605 1234693224 1337584326 1371881360 1543366530 1646257632 1783445768 2006376489 2057822040 2229307210 2469386448 2675168652 2743762720 3086733060 3292515264 3343960815 3566891536 4012752978 4115644080 4458614420 4938772896 5350337304 5487525440 6173466120 6687921630 7133783072 8025505956 8231288160 8917228840 9877545792 10031882445 10700674608 12346932240 13375843260 14267566144 16051011912 16462576320 17834457680 20063764890 21401349216 24693864480 26751686520 32102023824 35668915360 40127529780 42802698432 49387728960 53503373040 64204047648 71337830720 80255059560 107006746080 128408095296 160510119120 214013492160 321020238240 642040476480
• Sum of all divisors σ(n): 2378225070312
• Sum of proper divisors (its aliquot sum) s(n): 1736184593832
• 642040476480 is an abundant number, because the sum of its proper divisors (1736184593832) is greater than itself. Its abundance is 1094144117352

Bases of 642040476480

• Binary: 1001010101111100100110000011001101000000₂
• Hexadecimal: 0x957C983340
• Base-36: 86Y6BM80

Squares and roots of 642040476480

• 642040476480 squared (642040476480²) is 412215973438665433190400
• 642040476480 cubed (642040476480³) is 264659339999227778780870022561792000
• The square root of 642040476480 is 801274.2829268887
• The cube root of 642040476480 is 8626.8875302347

Scales and comparisons

• 642,040,476,480 seconds is equal to 20,414 years, 46 weeks, 6 days, 48 minutes.
• To count from 1 to 642,040,476,480 would take you about forty thousand, eight hundred twenty-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 642040476480 cubic inches would be around 718.9 feet tall.

Recreational maths with 642040476480

• 642040476480 backwards is 084674040246
• 642040476480 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 642040476480's digits is 45
• More coming soon!