642467975168

Names of 642467975168

• Cardinal: 642467975168 can be written as Six hundred forty-two billion, four hundred sixty-seven million, nine hundred seventy-five thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 6.42467975168 × 10¹¹

Factors of 642467975168

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 200

Divisors of 642467975168

• Number of divisors d(n): 104
• Complete list of divisors:
  1 2 4 8 16 32 61 64 122 128 137 244 256 274 488 512 548 976 1024 1096 1952 2048 2192 3904 4096 4384 7808 8357 8768 15616 16714 17536 18769 31232 33428 35072 37538 62464 66856 70144 75076 124928 133712 140288 150152 249856 267424 280576 300304 534848 561152 600608 1069696 1144909 1201216 2139392 2289818 2402432 2571353 4278784 4579636 4804864 5142706 8557568 9159272 9609728 10285412 17115136 18318544 19219456 20570824 34230272 36637088 38438912 41141648 73274176 76877824 82283296 146548352 156852533 164566592 293096704 313705066 329133184 586193408 627410132 658266368 1172386816 1254820264 1316532736 2344773632 2509640528 2633065472 4689547264 5019281056 5266130944 10038562112 10532261888 20077124224 40154248448 80308496896 160616993792 321233987584 642467975168
• Sum of all divisors σ(n): 1315442818920
• Sum of proper divisors (its aliquot sum) s(n): 672974843752
• 642467975168 is an abundant number, because the sum of its proper divisors (672974843752) is greater than itself. Its abundance is 30506868584

Bases of 642467975168

• Binary: 1001010110010110000100110101000000000000₂
• Hexadecimal: 0x9596135000
• Base-36: 8758UEBK

Squares and roots of 642467975168

• 642467975168 squared (642467975168²) is 412765099116469864628224
• 642467975168 cubed (642467975168³) is 265188357449377219727786138383941632
• The square root of 642467975168 is 801541.0003037901
• The cube root of 642467975168 is 8628.8018253599

Scales and comparisons

• 642,467,975,168 seconds is equal to 20,428 years, 25 weeks, 4 days, 22 hours, 26 minutes, 8 seconds.
• To count from 1 to 642,467,975,168 would take you about forty thousand, eight hundred fifty-six 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 642467975168 cubic inches would be around 719.1 feet tall.

Recreational maths with 642467975168

• 642467975168 backwards is 861579764246
• The number of decimal digits it has is: 12
• The sum of 642467975168's digits is 65
• More coming soon!