64988404020

Names of 64988404020

• Cardinal: 64988404020 can be written as Sixty-four billion, nine hundred eighty-eight million, four hundred four thousand and twenty.

Scientific notation

• Scientific notation: 6.498840402 × 10¹⁰

Factors of 64988404020

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1342460

Divisors of 64988404020

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 269 538 807 1076 1345 1614 2421 2690 3228 4035 4842 5380 8070 9684 12105 16140 24210 48420 1342181 2684362 4026543 5368724 6710905 8053086 12079629 13421810 16106172 20132715 24159258 26843620 40265430 48318516 60398145 80530860 120796290 241592580 361046689 722093378 1083140067 1444186756 1805233445 2166280134 3249420201 3610466890 4332560268 5415700335 6498840402 7220933780 10831400670 12997680804 16247101005 21662801340 32494202010 64988404020
• Sum of all divisors σ(n): 197864470440
• Sum of proper divisors (its aliquot sum) s(n): 132876066420
• 64988404020 is an abundant number, because the sum of its proper divisors (132876066420) is greater than itself. Its abundance is 67887662400

Bases of 64988404020

• Binary: 111100100001100111000101100100110100₂
• Hexadecimal: 0xF219C5934
• Base-36: TUSF1H0

Squares and roots of 64988404020

• 64988404020 squared (64988404020²) is 4223492657066752160400
• 64988404020 cubed (64988404020³) is 274478047172957397509283044808000
• The square root of 64988404020 is 254928.2330774681
• The cube root of 64988404020 is 4020.4866456233

Scales and comparisons

• 64,988,404,020 seconds is equal to 2,066 years, 22 weeks, 2 days, 14 hours, 27 minutes.
• To count from 1 to 64,988,404,020 would take you about four thousand, one hundred thirty-two 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 64988404020 cubic inches would be around 335 feet tall.

Recreational maths with 64988404020

• 64988404020 backwards is 02040488946
• 64988404020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64988404020's digits is 45
• More coming soon!