12720237320

Names of 12720237320

• Cardinal: 12720237320 can be written as Twelve billion, seven hundred twenty million, two hundred thirty-seven thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.272023732 × 10¹⁰

Factors of 12720237320

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3146

Divisors of 12720237320

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 49 56 70 98 140 196 245 280 331 343 392 490 662 686 980 1324 1372 1655 1715 1960 2317 2648 2744 2801 3310 3430 4634 5602 6620 6860 9268 11204 11585 13240 13720 14005 16219 18536 19607 22408 23170 28010 32438 39214 46340 56020 64876 78428 81095 92680 98035 112040 113533 129752 137249 156856 162190 196070 227066 274498 324380 392140 454132 548996 567665 648760 686245 784280 908264 927131 960743 1097992 1135330 1372490 1854262 1921486 2270660 2744980 3708524 3842972 4541320 4635655 4803715 5489960 6489917 7417048 7685944 9271310 9607430 12979834 18542620 19214860 25959668 32449585 37085240 38429720 45429419 51919336 64899170 90858838 129798340 181717676 227147095 259596680 318005933 363435352 454294190 636011866 908588380 1272023732 1590029665 1817176760 2544047464 3180059330 6360118660 12720237320
• Sum of all divisors σ(n): 33489504000
• Sum of proper divisors (its aliquot sum) s(n): 20769266680
• 12720237320 is an abundant number, because the sum of its proper divisors (20769266680) is greater than itself. Its abundance is 8049029360

Bases of 12720237320

• Binary: 1011110110001011110110101100001000₂
• Hexadecimal: 0x2F62F6B08
• Base-36: 5UDATXK

Squares and roots of 12720237320

• 12720237320 squared (12720237320²) is 161804437477120782400
• 12720237320 cubed (12720237320³) is 2058190844138078422432079168000
• The square root of 12720237320 is 112784.0295431939
• The cube root of 12720237320 is 2334.3451567265

Scales and comparisons

• 12,720,237,320 seconds is equal to 404 years, 24 weeks, 23 hours, 15 minutes, 20 seconds.
• To count from 1 to 12,720,237,320 would take you about eight hundred eight 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 12720237320 cubic inches would be around 194.5 feet tall.

Recreational maths with 12720237320

• 12720237320 backwards is 02373202721
• The number of decimal digits it has is: 11
• The sum of 12720237320's digits is 29
• More coming soon!