640633759427008228

Names of 640633759427008228

• Cardinal: 640633759427008228 can be written as Six hundred forty quadrillion, six hundred thirty-three trillion, seven hundred fifty-nine billion, four hundred twenty-seven million, eight thousand, two hundred twenty-eight.

Scientific notation

• Scientific notation: 6.40633759427008228 × 10¹⁷

Factors of 640633759427008228

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 60231040674

Divisors of 640633759427008228

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 7 14 19 28 38 76 133 266 532 19993 39986 79972 139951 279902 379867 559804 759734 1519468 2659069 5318138 10636276 60231020653 120462041306 240924082612 421617144571 843234289142 1144389392407 1686468578284 2288778784814 4577557569628 8010725746849 16021451493698 32042902987396 1204198795915429 2408397591830858 4816795183661716 8429391571408003 16858783142816006 22879777122393151 33717566285632012 45759554244786302 91519108489572604 160158439856752057 320316879713504114 640633759427008228
• Sum of all divisors σ(n): 1348770110190805120
• Sum of proper divisors (its aliquot sum) s(n): 708136350763796892
• 640633759427008228 is an abundant number, because the sum of its proper divisors (708136350763796892) is greater than itself. Its abundance is 67502591336788664

Bases of 640633759427008228

• Binary: 100011100011111111010000001010001101110001010001011011100100₂
• Hexadecimal: 0x8E3FD028DC516E4
• Base-36: 4V7XPQ6HC6W4

Squares and roots of 640633759427008228

• 640633759427008228 squared (640633759427008228²) is 410411613717581853637474130779699984
• 640633759427008228 cubed (640633759427008228³) is 262923535008399563210127995433349984622239804539468352
• The square root of 640633759427008228 is 800396001.6310727599
• The cube root of 640633759427008228 is 862058.2391063577

Scales and comparisons

• 640,633,759,427,008,228 seconds is equal to 20,370,171,939 years, 23 weeks, 3 days, 17 hours, 50 minutes, 28 seconds.
• To count from 1 to 640,633,759,427,008,228 would take you about sixty-one billion, one hundred ten million, five hundred fifteen thousand, eight hundred eighteen 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 640633759427008228 cubic inches would be around 71838.2 feet tall.

Recreational maths with 640633759427008228

• 640633759427008228 backwards is 822800724957336046
• 640633759427008228 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 640633759427008228's digits is 76
• More coming soon!