215385120

Names of 215385120

• Cardinal: 215385120 can be written as Two hundred fifteen million, three hundred eighty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.1538512 × 10⁸

Factors of 215385120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 784

Divisors of 215385120

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 120 144 160 180 240 288 360 373 401 480 720 746 802 1119 1203 1440 1492 1604 1865 2005 2238 2406 2984 3208 3357 3609 3730 4010 4476 4812 5595 5968 6015 6416 6714 7218 7460 8020 8952 9624 11190 11936 12030 12832 13428 14436 14920 16040 16785 17904 18045 19248 22380 24060 26856 28872 29840 32080 33570 35808 36090 38496 44760 48120 53712 57744 59680 64160 67140 72180 89520 96240 107424 115488 134280 144360 149573 179040 192480 268560 288720 299146 448719 537120 577440 598292 747865 897438 1196584 1346157 1495730 1794876 2243595 2393168 2692314 2991460 3589752 4487190 4786336 5384628 5982920 6730785 7179504 8974380 10769256 11965840 13461570 14359008 17948760 21538512 23931680 26923140 35897520 43077024 53846280 71795040 107692560 215385120
• Sum of all divisors σ(n): 738810072
• Sum of proper divisors (its aliquot sum) s(n): 523424952
• 215385120 is an abundant number, because the sum of its proper divisors (523424952) is greater than itself. Its abundance is 308039832

Bases of 215385120

• Binary: 1100110101101000010000100000₂
• Hexadecimal: 0xCD68420
• Base-36: 3K8G80

Squares and roots of 215385120

• 215385120 squared (215385120²) is 46390749917414400
• 215385120 cubed (215385120³) is 9991877237852290633728000
• The square root of 215385120 is 14676.0049059681
• The cube root of 215385120 is 599.4301255765

Scales and comparisons

• 215,385,120 seconds is equal to 6 years, 44 weeks, 21 hours, 12 minutes.
• To count from 1 to 215,385,120 would take you about ten 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 215385120 cubic inches would be around 50 feet tall.

Recreational maths with 215385120

• 215385120 backwards is 021583512
• The number of decimal digits it has is: 9
• The sum of 215385120's digits is 27
• More coming soon!