6440433344640

Names of 6440433344640

• Cardinal: 6440433344640 can be written as Six trillion, four hundred forty billion, four hundred thirty-three million, three hundred forty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 6.44043334464 × 10¹²

Factors of 6440433344640

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 372710273

Divisors of 6440433344640

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 90 96 108 120 128 135 144 160 180 192 216 240 270 288 320 360 384 432 480 540 576 640 720 864 960 1080 1152 1440 1728 1920 2160 2880 3456 4320 5760 8640 17280 372710263 745420526 1118130789 1490841052 1863551315 2236261578 2981682104 3354392367 3727102630 4472523156 5590653945 5963364208 6708784734 7454205260 8945046312 10063177101 11181307890 11926728416 13417569468 14908410520 16771961835 17890092624 20126354202 22362615780 23853456832 26835138936 29816821040 33543923670 35780185248 40252708404 44725231560 47706913664 50315885505 53670277872 59633642080 67087847340 71560370496 80505416808 89450463120 100631771010 107340555744 119267284160 134175694680 143120740992 161010833616 178900926240 201263542020 214681111488 238534568320 268351389360 322021667232 357801852480 402527084040 429362222976 536702778720 644043334464 715603704960 805054168080 1073405557440 1288086668928 1610108336160 2146811114880 3220216672320 6440433344640
• Sum of all divisors σ(n): 22809868156800
• Sum of proper divisors (its aliquot sum) s(n): 16369434812160
• 6440433344640 is an abundant number, because the sum of its proper divisors (16369434812160) is greater than itself. Its abundance is 9929001467520

Bases of 6440433344640

• Binary: 1011101101110000111101111011110000010000000₂
• Hexadecimal: 0x5DB87BDE080
• Base-36: 2A6OZQ5C0

Squares and roots of 6440433344640

• 6440433344640 squared (6440433344640²) is 41479181666750777016729600
• 6440433344640 cubed (6440433344640³) is 267143904714921876703174658962489344000
• The square root of 6440433344640 is 2537800.8875087109
• The cube root of 6440433344640 is 18605.3722338295

Scales and comparisons

• 6,440,433,344,640 seconds is equal to 204,785 years, 44 weeks, 4 days, 14 hours, 24 minutes.
• To count from 1 to 6,440,433,344,640 would take you about five hundred eleven thousand, nine hundred sixty-four 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 6440433344640 cubic inches would be around 1550.4 feet tall.

Recreational maths with 6440433344640

• 6440433344640 backwards is 0464433340446
• 6440433344640 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 6440433344640's digits is 45
• More coming soon!