20297340

Names of 20297340

• Cardinal: 20297340 can be written as Twenty million, two hundred ninety-seven thousand, three hundred forty.

Scientific notation

• Scientific notation: 2.029734 × 10⁷

Factors of 20297340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 287

Divisors of 20297340

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 89 90 105 126 140 178 180 181 210 252 267 315 356 362 420 445 534 543 623 630 724 801 890 905 1068 1086 1246 1260 1267 1335 1602 1629 1780 1810 1869 2172 2492 2534 2670 2715 3115 3204 3258 3620 3738 3801 4005 5068 5340 5430 5607 6230 6335 6516 7476 7602 8010 8145 9345 10860 11214 11403 12460 12670 15204 16020 16109 16290 18690 19005 22428 22806 25340 28035 32218 32580 37380 38010 45612 48327 56070 57015 64436 76020 80545 96654 112140 112763 114030 144981 161090 193308 225526 228060 241635 289962 322180 338289 451052 483270 563815 579924 676578 724905 966540 1014867 1127630 1353156 1449810 1691445 2029734 2255260 2899620 3382890 4059468 5074335 6765780 10148670 20297340
• Sum of all divisors σ(n): 71547840
• Sum of proper divisors (its aliquot sum) s(n): 51250500
• 20297340 is an abundant number, because the sum of its proper divisors (51250500) is greater than itself. Its abundance is 30953160

Bases of 20297340

• Binary: 1001101011011011001111100₂
• Hexadecimal: 0x135B67C
• Base-36: C31J0

Squares and roots of 20297340

• 20297340 squared (20297340²) is 411982011075600
• 20297340 cubed (20297340³) is 8362138952685218904000
• The square root of 20297340 is 4505.2569294103
• The cube root of 20297340 is 272.7803248309

Scales and comparisons

• 20,297,340 seconds is equal to 33 weeks, 3 days, 22 hours, 9 minutes.
• To count from 1 to 20,297,340 would take you about fifty weeks!

  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 20297340 cubic inches would be around 22.7 feet tall.

Recreational maths with 20297340

• 20297340 backwards is 04379202
• The number of decimal digits it has is: 8
• The sum of 20297340's digits is 27
• More coming soon!