9499138990

Names of 9499138990

• Cardinal: 9499138990 can be written as Nine billion, four hundred ninety-nine million, one hundred thirty-eight thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 9.49913899 × 10⁹

Factors of 9499138990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 434

Divisors of 9499138990

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 11 22 55 61 71 110 122 127 142 157 254 305 314 355 610 635 671 710 781 785 1270 1342 1397 1562 1570 1727 2794 3355 3454 3905 4331 6710 6985 7747 7810 8635 8662 9017 9577 11147 13970 15494 17270 18034 19154 19939 21655 22294 38735 39878 43310 45085 47641 47885 55735 77470 85217 90170 95282 95770 99187 99695 105347 111470 122617 170434 198374 199390 210694 219329 238205 245234 426085 438658 476410 495935 526735 550037 613085 679967 852170 991870 1053470 1096645 1100074 1216279 1226170 1359934 1415669 2193290 2432558 2750185 2831338 3399835 5500370 6050407 6081395 6799670 7078345 7479637 12100814 12162790 13379069 14156690 14959274 15572359 26758138 30252035 31144718 37398185 60504070 66895345 74796370 77861795 86355809 133790690 155723590 172711618 431779045 863558090 949913899 1899827798 4749569495 9499138990
• Sum of all divisors σ(n): 19500466176
• Sum of proper divisors (its aliquot sum) s(n): 10001327186
• 9499138990 is an abundant number, because the sum of its proper divisors (10001327186) is greater than itself. Its abundance is 502188196

Bases of 9499138990

• Binary: 1000110110001100010101101110101110₂
• Hexadecimal: 0x236315BAE
• Base-36: 4D3JIJY

Squares and roots of 9499138990

• 9499138990 squared (9499138990²) is 90233641551338220100
• 9499138990 cubed (9499138990³) is 857141902670000973229111699000
• The square root of 9499138990 is 97463.5264599019
• The cube root of 9499138990 is 2117.8478062213

Scales and comparisons

• 9,499,138,990 seconds is equal to 302 years, 2 weeks, 1 day, 17 hours, 43 minutes, 10 seconds.
• To count from 1 to 9,499,138,990 would take you about six hundred four 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 9499138990 cubic inches would be around 176.5 feet tall.

Recreational maths with 9499138990

• 9499138990 backwards is 0998319949
• 9499138990 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9499138990's digits is 61
• More coming soon!