20720232

Names of 20720232

• Cardinal: 20720232 can be written as Twenty million, seven hundred twenty thousand, two hundred thirty-two.

Scientific notation

• Scientific notation: 2.0720232 × 10⁷

Factors of 20720232

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 222

Divisors of 20720232

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 47 52 54 72 78 94 104 108 117 141 156 157 188 216 234 282 312 314 351 376 423 468 471 564 611 628 702 846 936 942 1128 1222 1256 1269 1404 1413 1692 1833 1884 2041 2444 2538 2808 2826 3384 3666 3768 4082 4239 4888 5076 5499 5652 6123 7332 7379 8164 8478 10152 10998 11304 12246 14664 14758 16328 16497 16956 18369 21996 22137 24492 29516 32994 33912 36738 43992 44274 48984 55107 59032 65988 66411 73476 88548 95927 110214 131976 132822 146952 177096 191854 199233 220428 265644 287781 383708 398466 440856 531288 575562 767416 796932 863343 1151124 1593864 1726686 2302248 2590029 3453372 5180058 6906744 10360116 20720232
• Sum of all divisors σ(n): 63705600
• Sum of proper divisors (its aliquot sum) s(n): 42985368
• 20720232 is an abundant number, because the sum of its proper divisors (42985368) is greater than itself. Its abundance is 22265136

Bases of 20720232

• Binary: 1001111000010101001101000₂
• Hexadecimal: 0x13C2A68
• Base-36: CC3U0

Squares and roots of 20720232

• 20720232 squared (20720232²) is 429328014133824
• 20720232 cubed (20720232³) is 8895776056952112327168
• The square root of 20720232 is 4551.9481543619
• The cube root of 20720232 is 274.6617637713

Scales and comparisons

• 20,720,232 seconds is equal to 34 weeks, 1 day, 19 hours, 37 minutes, 12 seconds.
• To count from 1 to 20,720,232 would take you about fifty-one 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 20720232 cubic inches would be around 22.9 feet tall.

Recreational maths with 20720232

• 20720232 backwards is 23202702
• 20720232 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20720232's digits is 18
• More coming soon!