20213550

Names of 20213550

• Cardinal: 20213550 can be written as Twenty million, two hundred thirteen thousand, five hundred fifty.

Scientific notation

• Scientific notation: 2.021355 × 10⁷

Factors of 20213550

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 71

Divisors of 20213550

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 23 25 27 30 31 35 42 45 46 50 54 62 63 69 70 75 81 90 93 105 115 126 135 138 150 155 161 162 175 186 189 207 210 217 225 230 270 279 310 315 322 345 350 378 405 414 434 450 465 483 525 558 567 575 621 630 651 675 690 713 775 805 810 837 930 945 966 1035 1050 1085 1134 1150 1242 1302 1350 1395 1426 1449 1550 1575 1610 1674 1725 1863 1890 1953 2025 2070 2139 2170 2325 2415 2511 2790 2835 2898 3105 3150 3255 3450 3565 3726 3906 4025 4050 4185 4278 4347 4650 4725 4830 4991 5022 5175 5425 5670 5859 6210 6417 6510 6975 7130 7245 8050 8370 8694 9315 9450 9765 9982 10350 10695 10850 11718 12075 12555 12834 13041 13950 14175 14490 14973 15525 16275 17577 17825 18630 19251 19530 20925 21390 21735 24150 24955 25110 26082 28350 29295 29946 31050 32085 32550 35154 35650 36225 38502 41850 43470 44919 46575 48825 49910 53475 57753 58590 62775 64170 65205 72450 74865 87885 89838 93150 96255 97650 106950 108675 115506 124775 125550 130410 134757 146475 149730 160425 175770 192510 217350 224595 249550 269514 288765 292950 320850 326025 374325 404271 439425 449190 481275 577530 652050 673785 748650 808542 878850 962550 1122975 1347570 1443825 2021355 2245950 2887650 3368925 4042710 6737850 10106775 20213550
• Sum of all divisors σ(n): 69138432
• Sum of proper divisors (its aliquot sum) s(n): 48924882
• 20213550 is an abundant number, because the sum of its proper divisors (48924882) is greater than itself. Its abundance is 28711332

Bases of 20213550

• Binary: 1001101000110111100101110₂
• Hexadecimal: 0x1346F2E
• Base-36: C18VI

Squares and roots of 20213550

• 20213550 squared (20213550²) is 408587603602500
• 20213550 cubed (20213550³) is 8259005954799313875000
• The square root of 20213550 is 4495.9481758579
• The cube root of 20213550 is 272.4044498489

Scales and comparisons

• 20,213,550 seconds is equal to 33 weeks, 2 days, 22 hours, 52 minutes, 30 seconds.
• To count from 1 to 20,213,550 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 20213550 cubic inches would be around 22.7 feet tall.

Recreational maths with 20213550

• 20213550 backwards is 05531202
• 20213550 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20213550's digits is 18
• More coming soon!