990996840

Names of 990996840

• Cardinal: 990996840 can be written as Nine hundred ninety million, nine hundred ninety-six thousand, eight hundred forty.

Scientific notation

• Scientific notation: 9.9099684 × 10⁸

Factors of 990996840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 88840

Divisors of 990996840

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 60 62 72 90 93 120 124 155 180 186 248 279 310 360 372 465 558 620 744 930 1116 1240 1395 1860 2232 2790 3720 5580 11160 88799 177598 266397 355196 443995 532794 710392 799191 887990 1065588 1331985 1598382 1775980 2131176 2663970 2752769 3196764 3551960 3995955 5327940 5505538 6393528 7991910 8258307 10655880 11011076 13763845 15983820 16516614 22022152 24774921 27527690 31967640 33033228 41291535 49549842 55055380 66066456 82583070 99099684 110110760 123874605 165166140 198199368 247749210 330332280 495498420 990996840
• Sum of all divisors σ(n): 3324672000
• Sum of proper divisors (its aliquot sum) s(n): 2333675160
• 990996840 is an abundant number, because the sum of its proper divisors (2333675160) is greater than itself. Its abundance is 1342678320

Bases of 990996840

• Binary: 111011000100010110100101101000₂
• Hexadecimal: 0x3B116968
• Base-36: GE0I20

Squares and roots of 990996840

• 990996840 squared (990996840²) is 982074736889985600
• 990996840 cubed (990996840³) is 973232960901807157245504000
• The square root of 990996840 is 31480.1022870003
• The cube root of 990996840 is 996.9898950259

Scales and comparisons

• 990,996,840 seconds is equal to 31 years, 26 weeks, 3 days, 20 hours, 54 minutes.
• To count from 1 to 990,996,840 would take you about forty-seven 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 990996840 cubic inches would be around 83.1 feet tall.

Recreational maths with 990996840

• 990996840 backwards is 048699099
• The number of decimal digits it has is: 9
• The sum of 990996840's digits is 54
• More coming soon!