8039394990

Names of 8039394990

• Cardinal: 8039394990 can be written as Eight billion, thirty-nine million, three hundred ninety-four thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.03939499 × 10⁹

Factors of 8039394990

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 88

Divisors of 8039394990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 67 81 90 99 110 134 135 162 165 198 201 243 270 297 330 335 402 405 486 495 594 603 670 737 810 891 990 1005 1206 1215 1474 1485 1782 1809 2010 2211 2430 2673 2970 3015 3618 3685 4422 4455 4489 5346 5427 6030 6633 7370 8910 8978 9045 10854 11055 13266 13365 13467 16281 18090 19899 22110 22445 26730 26934 27135 32562 33165 39798 40401 44890 49379 54270 59697 66330 67335 80802 81405 98758 99495 119394 121203 134670 148137 162810 179091 198990 202005 242406 246895 296274 298485 300763 358182 363609 404010 444411 493790 596970 601526 606015 727218 740685 888822 895455 902289 1090827 1212030 1333233 1481370 1503815 1790910 1804578 1818045 2181654 2222055 2666466 2706867 3007630 3308393 3636090 3999699 4444110 4511445 5413734 5454135 6616786 6666165 7999398 8120601 9022890 9925179 10908270 11999097 13332330 13534335 16241202 16541965 19850358 19998495 23998194 24361803 27068670 29775537 33083930 39996990 40603005 48723606 49625895 59551074 59995485 73085409 81206010 89326611 99251790 119990970 121809015 146170818 148877685 178653222 243618030 267979833 297755370 365427045 446633055 535959666 730854090 803939499 893266110 1339899165 1607878998 2679798330 4019697495 8039394990
• Sum of all divisors σ(n): 24005479680
• Sum of proper divisors (its aliquot sum) s(n): 15966084690
• 8039394990 is an abundant number, because the sum of its proper divisors (15966084690) is greater than itself. Its abundance is 7926689700

Bases of 8039394990

• Binary: 111011111001011110110111010101110₂
• Hexadecimal: 0x1DF2F6EAE
• Base-36: 3OYG4VI

Squares and roots of 8039394990

• 8039394990 squared (8039394990²) is 64631871805237100100
• 8039394990 cubed (8039394990³) is 519601146385345398306068499000
• The square root of 8039394990 is 89662.6733373481
• The cube root of 8039394990 is 2003.2775417593

Scales and comparisons

• 8,039,394,990 seconds is equal to 255 years, 32 weeks, 4 days, 13 hours, 16 minutes, 30 seconds.
• To count from 1 to 8,039,394,990 would take you about five hundred eleven 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 8039394990 cubic inches would be around 166.9 feet tall.

Recreational maths with 8039394990

• 8039394990 backwards is 0994939308
• 8039394990 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 8039394990's digits is 54
• More coming soon!