28499428490

Names of 28499428490

• Cardinal: 28499428490 can be written as Twenty-eight billion, four hundred ninety-nine million, four hundred twenty-eight thousand, four hundred ninety.

Scientific notation

• Scientific notation: 2.849942849 × 10¹⁰

Factors of 28499428490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1084

Divisors of 28499428490

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 13 17 26 34 65 73 85 130 146 170 221 241 365 442 482 730 733 949 1105 1205 1241 1466 1898 2210 2410 2482 3133 3665 4097 4745 6205 6266 7330 8194 9490 9529 12410 12461 15665 16133 17593 19058 20485 24922 31330 32266 35186 40970 47645 53261 53509 62305 80665 87965 95290 106522 107018 124610 161330 161993 175930 176653 228709 266305 267545 299081 323986 353306 457418 532610 535090 598162 695617 809965 883265 909653 1143545 1391234 1495405 1619930 1766530 1819306 2287090 2296489 2990810 3003101 3478085 3888053 4548265 4592978 6006202 6956170 7776106 9096530 11482445 11825489 12895669 15015505 19440265 22964890 23650978 25791338 30031010 38880530 39040313 59127445 64478345 78080626 118254890 128956690 167643697 195201565 219226373 335287394 390403130 438452746 838218485 1096131865 1676436970 2192263730 2849942849 5699885698 14249714245 28499428490
• Sum of all divisors σ(n): 59623324992
• Sum of proper divisors (its aliquot sum) s(n): 31123896502
• 28499428490 is an abundant number, because the sum of its proper divisors (31123896502) is greater than itself. Its abundance is 2624468012

Bases of 28499428490

• Binary: 11010100010101100101100010010001010₂
• Hexadecimal: 0x6A2B2C48A
• Base-36: D3BTNRE

Squares and roots of 28499428490

• 28499428490 squared (28499428490²) is 812217424256623680100
• 28499428490 cubed (28499428490³) is 23147732400933637979850586049000
• The square root of 28499428490 is 168817.7374863199
• The cube root of 28499428490 is 3054.5369543465

Scales and comparisons

• 28,499,428,490 seconds is equal to 906 years, 10 weeks, 11 hours, 54 minutes, 50 seconds.
• To count from 1 to 28,499,428,490 would take you about one thousand, eight hundred twelve 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 28499428490 cubic inches would be around 254.5 feet tall.

Recreational maths with 28499428490

• 28499428490 backwards is 09482499482
• The number of decimal digits it has is: 11
• The sum of 28499428490's digits is 59
• More coming soon!