20470380

Names of 20470380

• Cardinal: 20470380 can be written as Twenty million, four hundred seventy thousand, three hundred eighty.

Scientific notation

• Scientific notation: 2.047038 × 10⁷

Factors of 20470380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 142

Divisors of 20470380

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 17 20 21 28 30 34 35 42 47 51 60 61 68 70 84 85 94 102 105 119 122 140 141 170 183 188 204 210 235 238 244 255 282 305 329 340 357 366 420 427 470 476 510 564 595 610 658 705 714 732 799 854 915 940 987 1020 1037 1190 1220 1281 1316 1410 1428 1598 1645 1708 1785 1830 1974 2074 2135 2380 2397 2562 2820 2867 3111 3196 3290 3570 3660 3948 3995 4148 4270 4794 4935 5124 5185 5593 5734 6222 6405 6580 7140 7259 7990 8540 8601 9588 9870 10370 11186 11468 11985 12444 12810 14335 14518 15555 15980 16779 17202 19740 20069 20740 21777 22372 23970 25620 27965 28670 29036 31110 33558 34404 36295 40138 43005 43554 47940 48739 55930 57340 60207 62220 67116 72590 80276 83895 86010 87108 97478 100345 108885 111860 120414 145180 146217 167790 172020 194956 200690 217770 240828 243695 292434 301035 335580 341173 401380 435540 487390 584868 602070 682346 731085 974780 1023519 1204140 1364692 1462170 1705865 2047038 2924340 3411730 4094076 5117595 6823460 10235190 20470380
• Sum of all divisors σ(n): 71995392
• Sum of proper divisors (its aliquot sum) s(n): 51525012
• 20470380 is an abundant number, because the sum of its proper divisors (51525012) is greater than itself. Its abundance is 31054632

Bases of 20470380

• Binary: 1001110000101101001101100₂
• Hexadecimal: 0x1385A6C
• Base-36: C6R1O

Squares and roots of 20470380

• 20470380 squared (20470380²) is 419036457344400
• 20470380 cubed (20470380³) is 8577835515693658872000
• The square root of 20470380 is 4524.4204048695
• The cube root of 20470380 is 273.5533062991

Scales and comparisons

• 20,470,380 seconds is equal to 33 weeks, 5 days, 22 hours, 13 minutes.
• To count from 1 to 20,470,380 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 20470380 cubic inches would be around 22.8 feet tall.

Recreational maths with 20470380

• 20470380 backwards is 08307402
• The number of decimal digits it has is: 8
• The sum of 20470380's digits is 24
• More coming soon!