8198839390

Names of 8198839390

• Cardinal: 8198839390 can be written as Eight billion, one hundred ninety-eight million, eight hundred thirty-nine thousand, three hundred ninety.

Scientific notation

• Scientific notation: 8.19883939 × 10⁹

Factors of 8198839390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 2210

Divisors of 8198839390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 17 31 34 35 62 70 85 109 119 155 170 217 218 238 310 434 527 545 595 763 1054 1085 1090 1190 1526 1853 2039 2170 2635 3379 3689 3706 3815 4078 5270 6758 7378 7630 9265 10195 12971 14273 16895 18445 18530 20390 23653 25942 28546 33790 34663 36890 47306 57443 63209 64855 69326 71365 114886 118265 126418 129710 142730 173315 222251 236530 242641 287215 316045 346630 402101 442463 444502 485282 574430 632090 804202 884926 1074553 1111255 1213205 1555757 2010505 2149106 2212315 2222510 2426410 3111514 3778267 4021010 4424630 5372765 6889781 7521871 7556534 7778785 10745530 13779562 15043742 15557570 18891335 26447869 34448905 37609355 37782670 48228467 52895738 68897810 75218710 96456934 117126277 132239345 234252554 241142335 264478690 482284670 585631385 819883939 1171262770 1639767878 4099419695 8198839390
• Sum of all divisors σ(n): 18612633600
• Sum of proper divisors (its aliquot sum) s(n): 10413794210
• 8198839390 is an abundant number, because the sum of its proper divisors (10413794210) is greater than itself. Its abundance is 2214954820

Bases of 8198839390

• Binary: 111101000101100000101110001011110₂
• Hexadecimal: 0x1E8B05C5E
• Base-36: 3RLDKYM

Squares and roots of 8198839390

• 8198839390 squared (8198839390²) is 67220967343015572100
• 8198839390 cubed (8198839390³) is 551133914885819713916865019000
• The square root of 8198839390 is 90547.4427579267
• The cube root of 8198839390 is 2016.4345323347

Scales and comparisons

• 8,198,839,390 seconds is equal to 260 years, 36 weeks, 1 day, 23 hours, 23 minutes, 10 seconds.
• To count from 1 to 8,198,839,390 would take you about five hundred twenty-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 8198839390 cubic inches would be around 168 feet tall.

Recreational maths with 8198839390

• 8198839390 backwards is 0939388918
• The number of decimal digits it has is: 10
• The sum of 8198839390's digits is 58
• More coming soon!