8428961331

Names of 8428961331

• Cardinal: 8428961331 can be written as Eight billion, four hundred twenty-eight million, nine hundred sixty-one thousand, three hundred thirty-one.

Scientific notation

• Scientific notation: 8.428961331 × 10⁹

Factors of 8428961331

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1199

Divisors of 8428961331

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 7 9 21 27 29 49 63 67 81 87 147 189 201 203 261 441 469 567 603 609 783 1093 1323 1407 1421 1809 1827 1943 2349 3279 3283 3969 4221 4263 5427 5481 5829 7651 9837 9849 12663 12789 13601 16443 17487 22953 29511 29547 31697 37989 38367 40803 52461 53557 68859 73231 88533 88641 95091 95207 115101 122409 157383 160671 206577 219693 221879 265923 285273 285621 367227 482013 512617 619731 659079 665637 855819 856863 1101681 1446039 1537851 1553153 1977237 1996911 2123699 2567457 2570589 3588319 4338117 4613553 4659459 5931711 5990733 6371097 7711767 10764957 13840659 13978377 14865893 17972199 19113291 32294871 41521977 41935131 44597679 57339873 96884613 104061251 125805393 133793037 172019619 290653839 312183753 401379111 936551259 1204137333 2809653777 8428961331
• Sum of all divisors σ(n): 15392448720
• Sum of proper divisors (its aliquot sum) s(n): 6963487389
• 8428961331 is a deficient number, because the sum of its proper divisors (6963487389) is less than itself. Its deficiency is 1465473942

Bases of 8428961331

• Binary: 111110110011001111011111000110011₂
• Hexadecimal: 0x1F667BE33
• Base-36: 3VEDW6R

Squares and roots of 8428961331

• 8428961331 squared (8428961331²) is 71047389119493291561
• 8428961331 cubed (8428961331³) is 598855695556719092881577627691
• The square root of 8428961331 is 91809.3749624733
• The cube root of 8428961331 is 2035.1262395149

Scales and comparisons

• 8,428,961,331 seconds is equal to 268 years, 5 days, 10 hours, 8 minutes, 51 seconds.
• To count from 1 to 8,428,961,331 would take you about five hundred thirty-six 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 8428961331 cubic inches would be around 169.6 feet tall.

Recreational maths with 8428961331

• 8428961331 backwards is 1331698248
• The number of decimal digits it has is: 10
• The sum of 8428961331's digits is 45
• More coming soon!