2153521728

Names of 2153521728

• Cardinal: 2153521728 can be written as Two billion, one hundred fifty-three million, five hundred twenty-one thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.153521728 × 10⁹

Factors of 2153521728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3403

Divisors of 2153521728

• Number of divisors d(n): 140
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 81 96 108 127 144 162 192 216 254 288 324 381 432 508 576 648 762 864 1016 1143 1296 1524 1728 2032 2286 2592 3048 3271 3429 4064 4572 5184 6096 6542 6858 8128 9144 9813 10287 12192 13084 13716 18288 19626 20574 24384 26168 27432 29439 36576 39252 41148 52336 54864 58878 73152 78504 82296 88317 104672 109728 117756 157008 164592 176634 209344 219456 235512 264951 314016 329184 353268 415417 471024 529902 628032 658368 706536 830834 942048 1059804 1246251 1413072 1661668 1884096 2119608 2492502 2826144 3323336 3738753 4239216 4985004 5652288 6646672 7477506 8478432 9970008 11216259 13293344 14955012 16956864 19940016 22432518 26586688 29910024 33648777 39880032 44865036 59820048 67297554 79760064 89730072 119640096 134595108 179460144 239280192 269190216 358920288 538380432 717840576 1076760864 2153521728
• Sum of all divisors σ(n): 6435945472
• Sum of proper divisors (its aliquot sum) s(n): 4282423744
• 2153521728 is an abundant number, because the sum of its proper divisors (4282423744) is greater than itself. Its abundance is 2128902016

Bases of 2153521728

• Binary: 10000000010111000010001001000000₂
• Hexadecimal: 0x805C2240
• Base-36: ZM5G00

Squares and roots of 2153521728

• 2153521728 squared (2153521728²) is 4637655832968105984
• 2153521728 cubed (2153521728³) is 9987292603282754967550820352
• The square root of 2153521728 is 46406.0527086715
• The cube root of 2153521728 is 1291.3672037861

Scales and comparisons

• 2,153,521,728 seconds is equal to 68 years, 24 weeks, 5 days, 28 minutes, 48 seconds.
• To count from 1 to 2,153,521,728 would take you about one hundred thirty-six years!

  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 2153521728 cubic inches would be around 107.6 feet tall.

Recreational maths with 2153521728

• 2153521728 backwards is 8271253512
• 2153521728 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2153521728's digits is 36
• More coming soon!