20981301320

Names of 20981301320

• Cardinal: 20981301320 can be written as Twenty billion, nine hundred eighty-one million, three hundred one thousand, three hundred twenty.

Scientific notation

• Scientific notation: 2.098130132 × 10¹⁰

Factors of 20981301320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 10911

Divisors of 20981301320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 43 56 70 86 140 163 172 215 280 301 326 344 430 602 652 815 860 1141 1204 1304 1505 1630 1720 2282 2408 3010 3260 4564 5705 6020 6520 7009 9128 10691 11410 12040 14018 21382 22820 28036 35045 42764 45640 49063 53455 56072 70090 74837 85528 98126 106910 140180 149674 196252 213820 245315 280360 299348 374185 392504 427640 459713 490630 598696 748370 919426 981260 1496740 1742633 1838852 1962520 2298565 2993480 3217991 3485266 3677704 4597130 6435982 6970532 8713165 9194260 12198431 12871964 13941064 16089955 17426330 18388520 24396862 25743928 32179910 34852660 48793724 60992155 64359820 69705320 74933219 97587448 121984310 128719640 149866438 243968620 299732876 374666095 487937240 524532533 599465752 749332190 1049065066 1498664380 2098130132 2622662665 2997328760 4196260264 5245325330 10490650660 20981301320
• Sum of all divisors σ(n): 55550499840
• Sum of proper divisors (its aliquot sum) s(n): 34569198520
• 20981301320 is an abundant number, because the sum of its proper divisors (34569198520) is greater than itself. Its abundance is 13587897200

Bases of 20981301320

• Binary: 10011100010100101010100000001001000₂
• Hexadecimal: 0x4E2954048
• Base-36: 9MZQ3PK

Squares and roots of 20981301320

• 20981301320 squared (20981301320²) is 440215005080633742400
• 20981301320 cubed (20981301320³) is 9236283667182107445853659968000
• The square root of 20981301320 is 144849.2365185263
• The cube root of 20981301320 is 2758.1050722619

Scales and comparisons

• 20,981,301,320 seconds is equal to 667 years, 7 weeks, 2 days, 3 hours, 15 minutes, 20 seconds.
• To count from 1 to 20,981,301,320 would take you about one thousand, three hundred thirty-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 20981301320 cubic inches would be around 229.8 feet tall.

Recreational maths with 20981301320

• 20981301320 backwards is 02310318902
• The number of decimal digits it has is: 11
• The sum of 20981301320's digits is 29
• More coming soon!