8988742490

Names of 8988742490

• Cardinal: 8988742490 can be written as Eight billion, nine hundred eighty-eight million, seven hundred forty-two thousand, four hundred ninety.

Scientific notation

• Scientific notation: 8.98874249 × 10⁹

Factors of 8988742490

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 519927

Divisors of 8988742490

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 7 10 13 14 19 26 35 38 65 70 91 95 130 133 182 190 247 266 455 494 665 910 1235 1330 1729 2470 3458 8645 17290 519881 1039762 2599405 3639167 5198810 6758453 7278334 9877739 13516906 18195835 19755478 33792265 36391670 47309171 49388695 67584530 69144173 94618342 98777390 128410607 138288346 236545855 256821214 345720865 473091710 642053035 691441730 898874249 1284106070 1797748498 4494371245 8988742490
• Sum of all divisors σ(n): 20961642240
• Sum of proper divisors (its aliquot sum) s(n): 11972899750
• 8988742490 is an abundant number, because the sum of its proper divisors (11972899750) is greater than itself. Its abundance is 2984157260

Bases of 8988742490

• Binary: 1000010111110001010101001101011010₂
• Hexadecimal: 0x217C5535A
• Base-36: 44NNY3E

Squares and roots of 8988742490

• 8988742490 squared (8988742490²) is 80797491551531400100
• 8988742490 cubed (8988742490³) is 726267845394666320648060249000
• The square root of 8988742490 is 94808.9789524177
• The cube root of 8988742490 is 2079.2161810281

Scales and comparisons

• 8,988,742,490 seconds is equal to 285 years, 42 weeks, 2 days, 8 hours, 54 minutes, 50 seconds.
• To count from 1 to 8,988,742,490 would take you about five hundred seventy-one 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 8988742490 cubic inches would be around 173.3 feet tall.

Recreational maths with 8988742490

• 8988742490 backwards is 0942478898
• The number of decimal digits it has is: 10
• The sum of 8988742490's digits is 59
• More coming soon!