20953728

Names of 20953728

• Cardinal: 20953728 can be written as Twenty million, nine hundred fifty-three thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0953728 × 10⁷

Factors of 20953728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 95

Divisors of 20953728

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 43 47 48 54 64 72 81 86 94 96 108 128 129 141 144 162 172 188 192 216 258 282 288 324 344 376 384 387 423 432 516 564 576 648 688 752 774 846 864 1032 1128 1152 1161 1269 1296 1376 1504 1548 1692 1728 2021 2064 2256 2322 2538 2592 2752 3008 3096 3384 3456 3483 3807 4042 4128 4512 4644 5076 5184 5504 6016 6063 6192 6768 6966 7614 8084 8256 9024 9288 10152 10368 12126 12384 13536 13932 15228 16168 16512 18048 18189 18576 20304 24252 24768 27072 27864 30456 32336 36378 37152 40608 48504 49536 54144 54567 55728 60912 64672 72756 74304 81216 97008 109134 111456 121824 129344 145512 148608 162432 163701 194016 218268 222912 243648 258688 291024 327402 388032 436536 445824 487296 582048 654804 776064 873072 1164096 1309608 1746144 2328192 2619216 3492288 5238432 6984576 10476864 20953728
• Sum of all divisors σ(n): 65165760
• Sum of proper divisors (its aliquot sum) s(n): 44212032
• 20953728 is an abundant number, because the sum of its proper divisors (44212032) is greater than itself. Its abundance is 23258304

Bases of 20953728

• Binary: 1001111111011101010000000₂
• Hexadecimal: 0x13FBA80
• Base-36: CH400

Squares and roots of 20953728

• 20953728 squared (20953728²) is 439058717097984
• 20953728 cubed (20953728³) is 9199916934100106084352
• The square root of 20953728 is 4577.5242216727
• The cube root of 20953728 is 275.6896322121

Scales and comparisons

• 20,953,728 seconds is equal to 34 weeks, 4 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 20,953,728 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 20953728 cubic inches would be around 23 feet tall.

Recreational maths with 20953728

• 20953728 backwards is 82735902
• 20953728 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 20953728's digits is 36
• More coming soon!