642984144080

Names of 642984144080

• Cardinal: 642984144080 can be written as Six hundred forty-two billion, nine hundred eighty-four million, one hundred forty-four thousand and eighty.

Scientific notation

• Scientific notation: 6.4298414408 × 10¹¹

Factors of 642984144080

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2467

Divisors of 642984144080

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 5 8 10 16 20 37 40 74 80 148 185 296 370 592 740 1369 1480 2423 2738 2960 4846 5476 6845 9692 10952 12115 13690 19384 21904 24230 27380 38768 48460 54760 89651 96920 109520 179302 193840 358604 448255 717208 896510 1434416 1793020 3317087 3586040 5870929 6634174 7172080 11741858 13268348 16585435 23483716 26536696 29354645 33170870 46967432 53073392 58709290 66341740 93934864 117418580 132683480 217224373 234837160 265366960 434448746 469674320 868897492 1086121865 1737794984 2172243730 3475589968 4344487460 8037301801 8688974920 16074603602 17377949840 32149207204 40186509005 64298414408 80373018010 128596828816 160746036020 321492072040 642984144080
• Sum of all divisors σ(n): 1537068226806
• Sum of proper divisors (its aliquot sum) s(n): 894084082726
• 642984144080 is an abundant number, because the sum of its proper divisors (894084082726) is greater than itself. Its abundance is 251099938646

Bases of 642984144080

• Binary: 1001010110110100110101110110110011010000₂
• Hexadecimal: 0x95B4D76CD0
• Base-36: 87DS5OSW

Squares and roots of 642984144080

• 642984144080 squared (642984144080²) is 413428609538290199046400
• 642984144080 cubed (642984144080³) is 265828040642162047620502336205312000
• The square root of 642984144080 is 801862.9210033345
• The cube root of 642984144080 is 8631.1120453093

Scales and comparisons

• 642,984,144,080 seconds is equal to 20,444 years, 47 weeks, 1 day, 2 hours, 41 minutes, 20 seconds.
• To count from 1 to 642,984,144,080 would take you about forty thousand, eight hundred eighty-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 642984144080 cubic inches would be around 719.3 feet tall.

Recreational maths with 642984144080

• 642984144080 backwards is 080441489246
• The number of decimal digits it has is: 12
• The sum of 642984144080's digits is 50
• More coming soon!