642983718213

Names of 642983718213

• Cardinal: 642983718213 can be written as Six hundred forty-two billion, nine hundred eighty-three million, seven hundred eighteen thousand, two hundred thirteen.

Scientific notation

• Scientific notation: 6.42983718213 × 10¹¹

Factors of 642983718213

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 5921

Divisors of 642983718213

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 19 57 103 171 309 353 361 927 1059 1083 1957 3177 3249 5443 5871 6707 16329 17613 20121 36359 37183 48987 60363 103417 109077 111549 127433 310251 327231 334647 382299 560629 690821 930753 1146897 1681887 1921379 1964923 2072463 5045661 5764137 5894769 6217389 10651951 13125599 17292411 17684307 31955853 36506201 39376797 95867559 109518603 118130391 197902037 202387069 328555809 593706111 607161207 693617819 1781118333 1821483621 2080853457 3760138703 6242560371 11280416109 33841248327 71442635357 214327906071 642983718213
• Sum of all divisors σ(n): 992711483712
• Sum of proper divisors (its aliquot sum) s(n): 349727765499
• 642983718213 is a deficient number, because the sum of its proper divisors (349727765499) is less than itself. Its deficiency is 293255952714

Bases of 642983718213

• Binary: 1001010110110100110100001110110101000101₂
• Hexadecimal: 0x95B4D0ED45
• Base-36: 87DRWK79

Squares and roots of 642983718213

• 642983718213 squared (642983718213²) is 413428061887014587913369
• 642983718213 cubed (642983718213³) is 265827512445706912838709968751489597
• The square root of 642983718213 is 801862.6554547855
• The cube root of 642983718213 is 8631.1101397639

Scales and comparisons

• 642,983,718,213 seconds is equal to 20,444 years, 46 weeks, 3 days, 4 hours, 23 minutes, 33 seconds.
• To count from 1 to 642,983,718,213 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 642983718213 cubic inches would be around 719.3 feet tall.

Recreational maths with 642983718213

• 642983718213 backwards is 312817389246
• The number of decimal digits it has is: 12
• The sum of 642983718213's digits is 54
• More coming soon!