20551140

Names of 20551140

• Cardinal: 20551140 can be written as Twenty million, five hundred fifty-one thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.055114 × 10⁷

Factors of 20551140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 197

Divisors of 20551140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 29 30 31 36 45 58 60 62 87 90 93 116 124 127 145 155 174 180 186 254 261 279 290 310 348 372 381 435 465 508 522 558 580 620 635 762 870 899 930 1044 1116 1143 1270 1305 1395 1524 1740 1798 1860 1905 2286 2540 2610 2697 2790 3596 3683 3810 3937 4495 4572 5220 5394 5580 5715 7366 7620 7874 8091 8990 10788 11049 11430 11811 13485 14732 15748 16182 17980 18415 19685 22098 22860 23622 26970 32364 33147 35433 36830 39370 40455 44196 47244 53940 55245 59055 66294 70866 73660 78740 80910 110490 114173 118110 132588 141732 161820 165735 177165 220980 228346 236220 331470 342519 354330 456692 570865 662940 685038 708660 1027557 1141730 1370076 1712595 2055114 2283460 3425190 4110228 5137785 6850380 10275570 20551140
• Sum of all divisors σ(n): 67092480
• Sum of proper divisors (its aliquot sum) s(n): 46541340
• 20551140 is an abundant number, because the sum of its proper divisors (46541340) is greater than itself. Its abundance is 25990200

Bases of 20551140

• Binary: 1001110011001010111100100₂
• Hexadecimal: 0x13995E4
• Base-36: C8HD0

Squares and roots of 20551140

• 20551140 squared (20551140²) is 422349355299600
• 20551140 cubed (20551140³) is 8679760729671821544000
• The square root of 20551140 is 4533.3365196069
• The cube root of 20551140 is 273.9125762259

Scales and comparisons

• 20,551,140 seconds is equal to 33 weeks, 6 days, 20 hours, 39 minutes.
• To count from 1 to 20,551,140 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 20551140 cubic inches would be around 22.8 feet tall.

Recreational maths with 20551140

• 20551140 backwards is 04115502
• 20551140 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20551140's digits is 18
• More coming soon!