21500055040

Names of 21500055040

• Cardinal: 21500055040 can be written as Twenty-one billion, five hundred million, fifty-five thousand and forty.

Scientific notation

• Scientific notation: 2.150005504 × 10¹⁰

Factors of 21500055040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 11556

Divisors of 21500055040

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 8 10 16 17 20 32 34 40 43 64 68 80 85 86 128 136 160 170 172 215 256 272 320 340 344 430 512 544 640 680 688 731 860 1088 1280 1360 1376 1462 1720 2176 2560 2720 2752 2924 3440 3655 4352 5440 5504 5848 6880 7310 8704 10880 11008 11489 11696 13760 14620 21760 22016 22978 23392 27520 29240 43520 45956 46784 55040 57445 58480 91912 93568 110080 114890 116960 183824 187136 195313 229780 233920 367648 374272 390626 459560 467840 494027 735296 781252 919120 935680 976565 988054 1470592 1562504 1838240 1871360 1953130 1976108 2470135 2941184 3125008 3676480 3906260 3952216 4940270 5882368 6250016 7352960 7812520 7904432 8398459 9880540 12500032 14705920 15625040 15808864 16796918 19761080 25000064 29411840 31250080 31617728 33593836 39522160 41992295 50000128 62500160 63235456 67187672 79044320 83984590 100000256 125000320 126470912 134375344 158088640 167969180 250000640 252941824 268750688 316177280 335938360 500001280 537501376 632354560 671876720 1075002752 1264709120 1343753440 2150005504 2687506880 4300011008 5375013760 10750027520 21500055040
• Sum of all divisors σ(n): 55856291040
• Sum of proper divisors (its aliquot sum) s(n): 34356236000
• 21500055040 is an abundant number, because the sum of its proper divisors (34356236000) is greater than itself. Its abundance is 12856180960

Bases of 21500055040

• Binary: 10100000001100000001100111000000000₂
• Hexadecimal: 0x50180CE00
• Base-36: 9VKKSN4

Squares and roots of 21500055040

• 21500055040 squared (21500055040²) is 462252366723029401600
• 21500055040 cubed (21500055040³) is 9938451326915396569938264064000
• The square root of 21500055040 is 146628.9706708739
• The cube root of 21500055040 is 2780.6512560791

Scales and comparisons

• 21,500,055,040 seconds is equal to 683 years, 33 weeks, 5 hours, 30 minutes, 40 seconds.
• To count from 1 to 21,500,055,040 would take you about one thousand, three hundred sixty-seven 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 21500055040 cubic inches would be around 231.7 feet tall.

Recreational maths with 21500055040

• 21500055040 backwards is 04055000512
• The number of decimal digits it has is: 11
• The sum of 21500055040's digits is 22
• More coming soon!