71432749640

Names of 71432749640

• Cardinal: 71432749640 can be written as Seventy-one billion, four hundred thirty-two million, seven hundred forty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 7.143274964 × 10¹⁰

Factors of 71432749640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 546770

Divisors of 71432749640

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 467 934 1868 2335 3269 3736 4670 6538 9340 13076 16345 18680 26152 32690 65380 130760 546289 1092578 2185156 2731445 3824023 4370312 5462890 7648046 10925780 15296092 19120115 21851560 30592184 38240230 76480460 152960920 255116963 510233926 1020467852 1275584815 1785818741 2040935704 2551169630 3571637482 5102339260 7143274964 8929093705 10204678520 14286549928 17858187410 35716374820 71432749640
• Sum of all divisors σ(n): 184077878400
• Sum of proper divisors (its aliquot sum) s(n): 112645128760
• 71432749640 is an abundant number, because the sum of its proper divisors (112645128760) is greater than itself. Its abundance is 41212379120

Bases of 71432749640

• Binary: 1000010100001101110010100001001001000₂
• Hexadecimal: 0x10A1B94248
• Base-36: WTD7QDK

Squares and roots of 71432749640

• 71432749640 squared (71432749640²) is 5102637721130920129600
• 71432749640 cubed (71432749640³) is 364495442837165155280553153344000
• The square root of 71432749640 is 267269.0585159457
• The cube root of 71432749640 is 4149.2135663703

Scales and comparisons

• 71,432,749,640 seconds is equal to 2,271 years, 17 weeks, 4 days, 22 hours, 27 minutes, 20 seconds.
• To count from 1 to 71,432,749,640 would take you about four thousand, five hundred forty-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 71432749640 cubic inches would be around 345.8 feet tall.

Recreational maths with 71432749640

• 71432749640 backwards is 04694723417
• The number of decimal digits it has is: 11
• The sum of 71432749640's digits is 47
• More coming soon!