6440974439334890

Names of 6440974439334890

• Cardinal: 6440974439334890 can be written as Six quadrillion, four hundred forty trillion, nine hundred seventy-four billion, four hundred thirty-nine million, three hundred thirty-four thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 6.44097443933489 × 10¹⁵

Factors of 6440974439334890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 88021089

Divisors of 6440974439334890

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 5 7 10 13 14 26 35 49 65 70 91 98 130 182 245 455 490 637 910 1274 3185 6370 11489 22978 57445 80423 114890 149357 160846 298714 402115 562961 746785 804230 1045499 1125922 1493570 2090998 2814805 5227495 5629610 7318493 10454990 14636986 36592465 73184930 88009573 176019146 440047865 616067011 880095730 1144124449 1232134022 2288248898 3080335055 4312469077 5720622245 6160670110 8008871143 8624938154 11441244490 16017742286 21562345385 40044355715 43124690770 56062098001 80088711430 112124196002 280310490005 560620980010 1011141984197 2022283968394 5055709920985 7077993889379 10111419841970 13144845794561 14155987778758 26289691589122 35389969446895 49545957225653 65724228972805 70779938893790 92013920561927 99091914451306 131448457945610 184027841123854 247729786128265 460069602809635 495459572256530 644097443933489 920139205619270 1288194887866978 3220487219667445 6440974439334890
• Sum of all divisors σ(n): 14525307795554640
• Sum of proper divisors (its aliquot sum) s(n): 8084333356219750
• 6440974439334890 is an abundant number, because the sum of its proper divisors (8084333356219750) is greater than itself. Its abundance is 1643358916884860

Bases of 6440974439334890

• Binary: 10110111000100000100000111001011101101100001111101010₂
• Hexadecimal: 0x16E2083976C3EA
• Base-36: 1RF4UT45BZE

Squares and roots of 6440974439334890

• 6440974439334890 squared (6440974439334890²) is 41486151728165400580865571312100
• 6440974439334890 cubed (6440974439334890³) is 267211242867482318857796208316893862588609169000
• The square root of 6440974439334890 is 80255681.6638852679
• The cube root of 6440974439334890 is 186058.9326431257

Scales and comparisons

• 6,440,974,439,334,890 seconds is equal to 204,803,063 years, 48 weeks, 2 days, 1 hour, 54 minutes, 50 seconds.
• To count from 1 to 6,440,974,439,334,890 would take you about six hundred fourteen million, four hundred nine thousand, one hundred ninety-one 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 6440974439334890 cubic inches would be around 15504.9 feet tall.

Recreational maths with 6440974439334890

• 6440974439334890 backwards is 0984339344790446
• The number of decimal digits it has is: 16
• The sum of 6440974439334890's digits is 77
• More coming soon!